Star Trek: Discovery theories – Season 4 finale

Spoiler Warning: There are spoilers ahead for Star Trek: Discovery Seasons 1-4. Spoilers are also present for the following Star Trek productions: Picard Season 2, VoyagerEnterprise, and The Next Generation.

Discovery’s fourth season concluded just over a month ago, but for some reason I’d forgotten to wrap up my theory list! I blame the oversight on the excitement of Picard’s second season overlapping Discovery for the final few episodes… and, perhaps, the issues surrounding Strange New Worlds’ international broadcast. Regardless, we’re here now! So let’s get on with it, shall we?

In my review, I said that Coming Home was probably the high point of the season, and while the episode wasn’t perfect, it was a great way to bring an occasionally frustrating season to a close! Some of the complaints and criticisms that I made were more to do with Season 4 as a whole rather than Coming Home itself, and while we’ll touch on some of those points today, please stay tuned because I hope to write up my full thoughts on the entirety of Season 4 in the weeks ahead.

Coming Home was an explosive end to the season.

The theory list had grown quite long across Season 4, peaking in week 11 where I had 36 different theories in play – with varying levels of plausibility! By the time we got to the season finale that number had dipped somewhat, and there were 23 theories on the list going into Coming Home. I’ll be recapping each of them on this occasion, as well as three production-side theories that were also in play.

Keep an eye out for several of them to return in the run-up to Season 5, because a few theories that weren’t outright debunked (or even touched on at all for much of Season 4) still feel plausible and interesting to me!

For now, let’s start with the sole theory that was confirmed in the season finale. We’ll then look at the debunkings, the production-side theories, and the few that remain on the table going into Season 5.

Confirmed theory:
Book and Burnham got back together.

Burnham and Book embrace near the end of the episode.

This theory was one that I was desperately hoping would make it to screen! In short, the “Burnham relationship drama” angle that Season 4 pursued from shortly after the halfway point was one of the weakest narrative elements, one which felt gratuitous and overdone. I understand where it came from, and how it aimed to show how grief was leading Book down a dark path. But after everything Captain Burnham went through with Ash Tyler, seeing her settled and happy with Book was fantastic – and I greatly disliked how Discovery ripped that away.

The relationship drama storyline also trod on the toes of other potentially interesting stories. Discovery has always been the Michael Burnham show, and expecting that to change in Season 4 was unrealistic, perhaps. But even so, episodes like All In and Rubicon sidelined other stories and other characters to allow more time to be spent on Book and Burnham and the way they were feeling. For me, it was just too much – and one consequence of that was that some potentially-interesting story arcs, like Dr Culber’s mental health struggles, didn’t get as much development as they deserved.

When Book and Burnham reconciled at the end of Coming Home it really felt great – and I hope that their relationship will remain rock-solid for the remainder of the series’ run!

So that theory was confirmed.

Next, let’s run through the theories that were debunked as of the end of Coming Home.

Debunked theory #1:
Unknown Species 10-C is responsible for the galaxy’s dilithium supply running out.

Dilithium aboard the USS Discovery in Season 3.

This is the first of several theories that were connected to the events of Season 3. For whatever reason, though, Discovery’s focus shifted far away from the Burn in Season 4, with only a few mentions of the phenomenon and its consequences. The state of the galaxy in the aftermath of the Burn served as a backdrop to the events of the season, but in many ways the story could’ve unfolded in exactly the same way if the Burn had never happened or if we’d never come to know about it!

In short, I speculated that Unknown Species 10-C may have been mining the galaxy for dilithium in a similar way to how they used the DMA to mine for boronite. If so, perhaps they could have been behind the still-unexplained loss of dilithium supplies in the years leading up to the Burn. As it is, there was no connection – or at least, no connection was apparent as of the end of the season.

Debunked theory #2:
The Guardian of Forever will make an appearance.

The Guardian of Forever in The Animated Series.

The Guardian of Forever potentially opened up a completely different story trajectory for Burnham – and for Book and Tarka in particular. The events of Terra Firma in Season 3 seem to confirm that the Guardian can be a portal not only to travel through time but also to cross between universes. With Tarka hoping to cross over to a different parallel universe, the Guardian of Forever seemed like a plausible way for him to do so – potentially allowing everyone to get what they wanted.

As it is, Tarka’s story ended in an unspectacular fashion, and unfortunately I consider his storyline to be a bit of a waste. A fun, exciting, and nuanced character was set up earlier in the season, only to turn into a fairly flaccid and one-dimensional villain as the story reached its end. The Guardian of Forever was never mentioned, and Tarka presumably died when Book’s ship exploded.

Debunked theory #3:
Unknown Species 10-C is connected to a faction from Star Trek’s past.

A member of Unknown Species 10-C.

I clung on to my shrinking list of Unknown Species 10-C candidates for the longest time, but I was finally forced to give up on the idea of the mysterious race turning out to be someone familiar a couple of weeks before the season finale! However, even if Unknown Species 10-C were new to Star Trek, I theorised – with very little to back it up, I should say – that there could be some kind of connection to another faction from the franchise’s past.

It couldn’t be the Federation, nor almost any organic race, but it seemed possible to me that there could be a connection to someone like the Borg. If Unknown Species 10-C had been the victim of an attack by someone like the Borg, that could’ve explained their desire to hide away from the rest of the galaxy.

As it is, no connection was forthcoming. I fully expect Unknown Species 10-C to be a minor part of Season 5 (at best), so I doubt we’ll learn much more about them any time soon.

Debunked theory #4:
A major character will be killed.

A Starfleet coffin, draped with the flag of the Federation, as seen in Deep Space Nine.

Before the season began I took a look at the main characters and speculated about who may or may not be on the chopping block! As television storytelling has changed and evolved, particularly in the wake of shows with “disposable” casts like The Walking Dead and Game of Thrones, audience expectations have changed as well. I suggested several times throughout the season that Discovery giving its main characters some pretty heavy plot armour in the face of incredibly challenging missions and dangerous circumstances wasn’t a great look – and I kept this theory in play right up until the season’s final moments.

The fake-out over Book’s death wasn’t a problem, and I don’t want to single it out for criticism just because it was the final example of this phenomenon; I felt it worked well in Coming Home. But looking back at the season overall, there were multiple opportunities to kill off characters in meaningful and impactful ways, but Discovery’s writers chose not to. Even minor characters like Dr Pollard and Commander Bryce seem to have survived the season, and while Tarka was killed, as a villain his death doesn’t count in the same way.

A well-timed character death can do so much for a story, and I feel like Discovery dropped the ball on this one during Season 4.

Debunked theory #5:
Admiral Vance’s holo-message about Earth and Ni’Var was fake or has been tampered with.

Admiral Vance in Coming Home.

Although Coming Home absolutely stuck the landing and made the sequences at Federation HQ feel incredibly tense and emotional, I didn’t like the whole “Earth is in danger” story cliché that had been introduced in The Galactic Barrier. That trope isn’t just one that’s overused in stories like these, but it’s one that can fall flat and fail in its effort to ramp up the drama, tension, and excitement.

In short, we know in a story about Earth being in danger that Captain Burnham is going to find a way to save the day. If it were literally any other planet – Ni’Var, Qo’noS, Bajor, or wherever – there’d be a real sense of danger that Discovery could’ve repeated the shock of Kwejian’s destruction at the beginning of the season and blown up another planet! But because it was Earth, that never felt like a realistic prospect, and that potentially robbed the story of much of its drama.

I had speculated that someone might’ve faked the message about Earth being in danger, partly because I was hoping it wasn’t true and partly because I was wondering if there might be more going on at Federation HQ. But it turned out that the message was accurate, leading to the scenes at Federation HQ in Coming Home.

Debunked theories #6 & 7:
Unknown Species 10-C built the Galactic Barrier, and
Someone else built the Galactic Barrier to keep Unknown Species 10-C out.

The USS Discovery at the Galactic Barrier.

As we headed into the season finale, the Galactic Barrier was definitely fading out of sight, and as a result this theory was already feeling less likely. However, after much had been made of the Barrier earlier in the season, with an entire episode dedicated to crossing it, I wondered if we might learn more about this unusual phenomenon!

The Galactic Barrier had been introduced right at the beginning of The Original Series and had been mentioned on several occasions throughout Star Trek’s history. It served an interesting storytelling purpose, but we didn’t really learn much about it – including how it works or why it exists! There was scope to tie the Barrier’s existence to Unknown Species 10-C; their incredible engineering skills suggested that they could be responsible for its construction. Alternatively, I theorised that someone else might’ve constructed it in the past to prevent Unknown Species 10-C from attacking. Neither theory panned out, and it seems very unlikely we’ll revisit the Galactic Barrier next season, so I don’t expect this one to be picked up any time soon.

It would be interesting to learn more about the Galactic Barrier and where it came from, though.

Debunked theory #8:
There will be a character crossover from a past iteration of Star Trek.

Geordi and Scotty in Relics.

I’ve been sticking to my guns on this theory since well before Season 3, and a couple of years ago I even proposed a shortlist of characters who could still be alive in the 32nd Century. Thanks to technobabble, though, practically anyone from Star Trek could be included if the writers wanted to bring them on board.

There was also the possibility of Captain Burnham unearthing a hologram, recording, or log left behind by a long-gone character who might be familiar to us as the audience. While this would be less of a “crossover” in the same way, it could still be exceptionally fun.

Unfortunately, it didn’t happen this season. I haven’t given up, though, so you can expect to see this one on my Season 5 theory list!

Debunked theory #9:
Book will find Kyheem and Leto inside the hyperfield.

Book with Leto and Kyheem in the season premiere.

One of my first thoughts about the DMA, long before it had a name and before the season had even aired, was that it could be related somehow to the Nexus from Star Trek: Generations. Then later, when we learned that the DMA had wormhole and transporter capabilities, sending material back to its point of origin, it seemed possible that maybe not everyone on Kwejian was as dead as we first assumed.

Just like Captain Picard was able to encounter Captain Kirk inside the Nexus, I wondered if Book might reach the hyperfield only to discover that Leto, Kyheem, and others from Kwejian had survived the destruction of their planet. It didn’t happen in the end, and in a way that’s a good thing because it would’ve undermined the powerful moment Book had when he spoke to Unknown Species 10-C and took them to task for their destruction.

Debunked theory #10:
Season 4 will connect with the Short Treks episode Calypso.

Craft and Zora dancing in Calypso.

Is Calypso destined to remain forever out of reach? After Seasons 3 and 4 both seemed to move toward a potential tie-in with the Short Treks outlier, once again the story came to an end with no connection in sight. While things like Zora’s development definitely tie in with the events of Calypso, other things, like the retrofit the ship went through in Season 3, have actually moved us away from the events of that short episode.

This is a tough one. I strongly suspect that Calypso was created at a time when Season 2 had a different ending – perhaps even as a kind of “epilogue” in the event of the whole series being cancelled. Its story of the ship being abandoned for a thousand years and an AI developing sentience from the ship’s computer feel quite far-removed from the stories told in Seasons 3 and 4, and realistically, unless a multi-episode arc can be written to bring Discovery and Calypso together, it may be destined to remain unresolved.

Debunked theory #11:
We haven’t seen the last of the Abronians.

Abronian stasis pods.

It’s a bit of a surprise to me that the Abronians – a race rescued from cryo-sleep by Captain Burnham, Tilly, and Dr Gabrielle Burnham in the episode Choose To Live – didn’t return later in the season. There were several different ways that they could’ve been included, even if they didn’t tie in with the main Unknown Species 10-C story.

Discovery doesn’t usually like to do wholly standalone side-stories like this, so all season long I was half-expecting to see the Abronians make a reappearance! Perhaps we’d learn that their homeworld had been destroyed by the DMA, or maybe they could’ve arrived to assist the Federation in an hour of need. Their massive planetoid-sized ship could’ve been incredibly useful during the evacuation of Earth and Ni’Var, for instance.

Debunked theory #12:
Tarka will create his own DMA.

Stamets, Tarka, and Saru with the DMA model.

If Tarka had been unable to find the DMA’s power source inside the hyperfield, I wondered if he’d resort to building his own DMA. We saw as far back as The Examples that he understood the basic principles involved and had been able to build a scale model. I speculated that maybe he would go on to build his own version.

This theory originally began when Tarka was on my list of suspects for creating the original DMA. That didn’t pan out, of course, but even going into the season finale it still seemed possible that he might try to build his own version of it.

Debunked theory #13:
Kayalise is the Kelvin universe.

The USS Kelvin, namesake of the Kelvin timeline.

In the weeks ahead I’d like to take a look at Ruon Tarka’s story in a bit more detail, as I feel that it started very strongly but went off the rails toward the end. For now, suffice to say that it’s disappointing that we didn’t learn more about Kayalise – the alternate universe that Tarka hoped to travel to.

I speculated that Kayalise could be the Kelvin timeline – it’s one of the only other parallel universes that we know of in Star Trek, it stands to reason that the Burn didn’t happen there, and Discovery had already dropped a Kelvin-timeline reference in Season 3. It could’ve been interesting to follow Tarka across the divide between universes… but it didn’t happen.

Debunked theory #14:
Oros is alive – and we’ll see him soon!

Oros.

Oros was a fun and interesting character, and it’s such a shame we only got to see him for a few flashback sequences in a single episode. There was scope to follow more of his story, and if Tarka’s storyline had ended in a more satisfying manner, a meet-up could’ve been on the cards.

I speculated that Tarka would successfully use his interdimensional transporter, or that a compromise could be found to allow him passage to Kayalise, and that he’d be able to reunite with his long-lost friend.

Overall, Oros’ inclusion in the story was an odd one. I feel that we were teased unnecessarily by the show keeping his name hidden for several episodes, and that encouraged speculation that this character might’ve been someone we’re already familiar with. For the heavily-teased character to make a single appearance and then never return was strange – and a bit of a let-down.

Debunked theory #15:
The interdimensional transporter works!

Tarka with the interdimensional transporter.

Though it was left somewhat ambiguous as Book’s ship met an explosive end, it seems pretty clear to me that the interdimensional transporter won’t be making a return to Star Trek anytime soon! Tarka held onto hope for the longest time that not only would his own model work, but that Oros’ original interdimensional transporter had as well.

There was scope, had the season ended in a different way, for the interdimensional transporter to be useful for Captain Burnham, too. If Unknown Species 10-C were native to a different dimension, for example, that could’ve been a way to tie the two halves of the story together. In a season that was all about diplomacy, compromise, and finding a middle ground, Captain Burnham could’ve traded with Tarka for the technology, and that’s just one example.

As it is, it seems like we’ll never know whether the interdimensional transporter even worked at all.

Debunked theory #16:
Michael Burnham won’t remain in command of the USS Discovery.

Captain Burnham with the President of United Earth at the end of Coming Home.

In short, I speculated that Discovery’s trend of having a different captain for every season might continue, and that the season could end with Captain Burnham either leaving Starfleet to be with Book, or accepting a new role within the organisation. To be clear, because I know there’s a lot of debate any time Captain Burnham is mentioned: I wasn’t in favour of this theory necessarily. I just thought it was a possibility, and a potentially interesting one at that!

In the end, the season drew to a close with Captain Burnham still in command, ready to tackle the next mission as the Federation continues to rebuild. And that was a great way for things to end!

So those theories were debunked!

There are a handful of theories that were connected to events in Season 3 that I also kept on the list this time, and none of those were really touched on at all. In addition, there are a couple of theories that I introduced in Season 4 that I still consider plausible for future seasons or stories. We’ll take a look at those briefly now.

Theory #1:
Saru will assume command of the USS Voyager-J.

Captain Saru.

The captaincy of the USS Voyager-J – seemingly the Federation’s new flagship – was discussed as the season drew to a close. President Rillak, who had determined Captain Burnham to be unsuitable for the role in the season premiere, changed her mind after the mission to Unknown Species 10-C’s hyperfield.

I had suggested that Saru embodies many of the qualities that President Rillak was looking for in a captain for the Voyager-J, and that he might assume command of the ship at the end of the season. There’s also the question of how Saru, who holds the rank of captain, will fit in with the command structure aboard the USS Discovery going forward; his presence as Captain Burnham’s XO this season was implied to be temporary.

Whether Saru has a major role to play in Season 5 or not, I’m keeping this one on the list at least for now.

Theory #2:
Who is Dr Kovich, and what is his role within the Federation hierarchy?

Dr Kovich.

I’m beginning to feel that Dr Kovich is seen by the show’s writers as a bit of a joke; a character who we’ve been teased with, but whose interesting-sounding lines and suggestions never go anywhere. The most egregious example of this has to be his line in The Galactic Barrier, where he spoke of having “more important things” to do than accompany the USS Discovery. What were those important things? The show never bothered to tell us.

Going all the way back to his first appearance in Season 3, Dr Kovich has been intriguing. Is he a Section 31 operative? The Federation Vice-President? Admiral Vance’s boss? We don’t know, and while Dr Kovich has occupied several different roles this season – counsellor, Starfleet Academy instructor, diplomat, etc. – we still don’t know who he is or what he’s all about.

I’d like to hope we’ll learn more about him in Season 5!

Theories #3 & 4:
We’ll learn more about the ban on time travel, and
Has the Federation violated the ban on time travel?

La Sirena prepares to use the sun to travel back in time in Star Trek: Picard.

The ban on time travel was introduced in Season 3, and there were narrative reasons for its inclusion. However, as I’ve said ever since we first learned about it: such a ban would be incredibly difficult to implement and enforce. I’d love to know more about how it works, how it’s enforced, and who’s responsible for preventing basically anyone with a starship from doing something like the “slingshot method.”

I also think it’s possible that the Federation itself (or perhaps an organisation like Section 31) has chosen to ignore the ban when it suited them, and again I’d be curious to learn if someone like President Rillak or Dr Kovich had greenlit some kind of time travel escapade.

Theory #5:
The USS Discovery will have to defend the Verubin Nebula.

The dilithium planet at the heart of the Verubin Nebula.

The Verubin Nebula is the galaxy’s only major source of dilithium (at least, as of the end of Season 3). With the Federation in control of this incredibly valuable resource, it stands to reason that other, more aggressive powers might seek to take it from them. Even if the Federation is willing to share its bounty with everyone, factions such as the Borg Collective, the Dominion, or the Klingon Empire may not be satisfied and may want to control the Verubin Nebula for themselves.

I speculated prior to Season 4 that the USS Discovery may be called into action to defend the Verubin Nebula from such an attack – and even though it didn’t happen this time, it’s still a possibility for Season 5!

Theory #6:
Some areas of the galaxy, such as the Delta Quadrant, avoided the worst effects of the Burn.

Stamets with a map of the galaxy.

The Burn was mentioned in Season 4, but never came to the fore in a major way. We still don’t know how far its impact reached, and what effects the Burn had on far-flung parts of the galaxy far away from the Verubin Nebula.

I speculated that some regions of the galaxy may have avoided the worst of the Burn, and maybe some areas didn’t even feel it at all. It could be very interesting to learn that a faction such as the Borg – who were mentioned in Discovery for the first time near the end of Season 4 – were unaffected. They might’ve been able to spend the last hundred years building up their forces for a major invasion!

Check out a full write-up of this theory by clicking or tapping here.

So those theories may return!

Finally, we had three production-side theories on the list as the season finale approached, and I’d like to take a look at those before we wrap things up.

Production-side theory #1:
The season will end on a cliffhanger.

This one is officially debunked! As the finale got closer and closer with seemingly a lot of different narrative threads still in play, I wondered if the season might’ve ended on a cliffhanger, with the story to be resumed in Season 5. It didn’t happen, though, and while not every storyline was brought to the perfect ending from my point of view, all of the main narrative threads were tied up by the time the credits rolled.

Star Trek has a history of season-ending cliffhangers, so this didn’t feel too far-fetched! Still, it will be nice to have a clean slate going into Season 5.

Production-side theory #2:
Tilly’s departure will be permanent.

Tilly’s departure.

This is still officially unconfirmed at time of writing. We don’t yet know whether Mary Wiseman will be returning in Season 5, and if she does return, whether she’ll be doing so as a main cast member or just making a cameo or guest appearance.

It was nice to have Tilly back for the scenes at Federation HQ in Coming Home, and I’m glad we got to spend a little more time with her. However, to me her decision in All Is Possible felt permanent, and taking up a new role at Starfleet Academy feels like a good fit for her. Undoing that development, and unravelling that interesting and fitting character arc, wouldn’t be my preference.

There’s also the possibility that the rumoured Starfleet Academy series could bring back Tilly in a major role. Either way, we’ll have to wait and see!

Production-side theory #3:
There will be a crossover of some kind with Picard Season 2.

Admiral Picard.

As you’ll know by now if you’ve watched both shows, no crossover between Picard and Discovery was forthcoming. This theory arose because Picard Season 2 and Discovery Season 4 overlapped one another by three weeks – something that I genuinely cannot explain. Paramount Global consistently makes these random, illogical decisions, and while it was fun to speculate about what a Picard-Discovery crossover could look like… now that the dust has settled I genuinely do not understand why it had to happen this way. Is it something to do with the fiscal year?

Given that Paramount+ remains unavailable in most of the world, and that Strange New Worlds’ premiere is now imminent, the scheduling makes even less sense. Delaying Picard’s second season by a measly three weeks would’ve bought a little more time for Paramount+ to be ready. Three weeks may not have made all the difference, but combine it with a short delay to Strange New Worlds and maybe it would’ve been possible for more Trekkies to watch the new series together.

I’m not disappointed that a crossover didn’t happen – though that could’ve been a lot of fun. But I am disappointed in Paramount and the inept way they’re handling the Star Trek franchise.

So that’s it!

A happy ending!

Thank you for sticking with me through Star Trek: Discovery Season 4. As the season wore on I did get some things right with my theories, even if some of my bigger ones – like the identity of Unknown Species 10-C – were wide of the mark.

Discovery Season 4 began in a truly awful corporate mess, with Paramount paying money out of its own pocket to try to take the show away from fans outside of the United States. Even in regions where Paramount+ was available, they originally planned to deny viewers access to Discovery Season 4. While I’m glad that the corporation recognised the backlash from fans and backtracked on those plans, it’s something I haven’t forgotten. With Strange New Worlds now in the same position, it’s clear to me that Paramount Global has learned nothing.

Federation HQ in orbit of Earth; the final shot of the season.

In the weeks ahead I’ll definitely write up a longer retrospective of the season. For now, suffice to say that it was a mixed bag, with some decent episodes and some that dragged. The main storyline – that of the DMA and Unknown Species 10-C – seemed to take a long time to reach its conclusion, feeling padded in places. However, the season finale brought things to a close in a very emotional, entertaining, and enjoyable way. Whatever I may have thought about parts of the ride, the destination in this case was worth the wait.

One final note. I write up these theories for fun! I like Star Trek and I like writing, so writing about Star Trek is an enjoyable endeavour for me. For some folks, though, fan theories can become problematic. It’s always worth trying to keep in mind that any fan theory, no matter how enjoyable and plausible it may seem, isn’t worth getting upset over. Most of the theories I come up with never make it to screen, and usually what unfolds on screen is better! If I ever found that theorising and speculating about Star Trek (or any other franchise) was beginning to harm my enjoyment, I’d stop – and I’d encourage anyone in that position to do the same.

Star Trek: Discovery Season 4 is available to stream now on Paramount+ in the United States, Scandinavia, Latin America, and Australia. The show is available on Pluto TV in the UK, France, Germany, Italy, and other parts of Western Europe. Individual episodes or the full season can be purchased on iTunes, Amazon Video, Google Play, and possibly other platforms in the UK, parts of Europe, and select other countries. The Star Trek franchise – including Discovery and all other properties mentioned above – is the copyright of Paramount Global. This article contains the thoughts and opinions of one person only and is not intended to cause any offence.

Star Trek: Discovery review – Season 4, Episode 13: Coming Home

Spoiler Warning: There are spoilers ahead for Star Trek: Discovery Seasons 1-4.

I cried a lot while watching Coming Home. It was an incredibly emotional episode, one that hit all of the notes that it was aiming for and brought the season to a close in style. We can say definitively that Season 4 ended on a high, having saved the best for last. In fact, Coming Home might just be the best episode of the entire season!

From almost the first minute, the emotional punches started coming – and they didn’t let up until the epilogue. Captain Burnham and the entire crew went on a rollercoaster ride as they battled to stop Tarka, to get Unknown Species 10-C to listen, and to save Earth and Ni’Var from destruction. The episode was well-paced, with plenty of energy to keep things exciting but without ever feeling rushed. And there were some wonderful visual effects and animation work as we finally got an unobscured look at Unknown Species 10-C.

A group of Unknown Species 10-C.

I had a wonderful time with Coming Home, and thinking about Season 4 as a whole, the finale is one of the strongest offerings. That contrasts with Season 3, where the end of the Burn’s story felt like a non-sequitur, if not an outright letdown. In that respect, it’s nice to see that Discovery has grown, adapted, and perhaps even taken on board some of the feedback received about the Burn and Season 3 in general. The creative team can be pleased, I think, that they did a better job this time around.

All that being said, there are some issues that are raised by Coming Home. The episode itself was great, and even some of the storylines that I’d been less invested in were paid off in emotional style. But thinking about the episode as the concluding chapter of a thirteen-episode season, I do have some complaints about absences, about characters who weren’t well-used, and about specific storylines that didn’t get the kind of payoff I’d been hoping for. While these points don’t detract from a wonderful and emotional episode in Coming Home, they do count against Season 4 as a whole.

Dr Hirai was a character with potential who felt sadly underused this season.

In the weeks ahead I’d like to do a retrospective of the season, and when I do I’ll go into more detail about some of these complaints. But with Coming Home being the season finale, I’d be remiss not to mention them here. This was the last chance for Discovery to do something significant with some of these narrative points – especially when considering that Season 5 will almost certainly go in a different direction.

Ruon Tarka’s abrupt turnaround from an understandable and even sympathetic character to a bold-faced villain was not handled particularly well, and while Coming Home went some way toward reversing that and bringing back some of the nuance that had made him such an interesting character in the first place, it came too late. Tarka’s story – much like Tarka himself in his final moments – ran out of road, and ended in an unspectacular and unsatisfying fashion, with no real payoff to his quest to reach Oros and Kayalise.

Tarka met his end in an unsatisfying way.

The scenes between Tarka and Book were beautifully constructed, and the raw emotion that both David Ajala and Shawn Doyle brought to screen is undeniable. The performances were fantastic, and Coming Home found enough time to show off these moments despite having plenty of other narrative beats to get through.

Despite that, however, the damage to Tarka’s characterisation had already been done. The complex and nuanced character that we met in The Examples, half a season ago, had been developed slowly over several episodes. His desire to use the power source at the heart of the DMA was explained through a series of flashbacks that introduced us to his long-lost friend Oros… and it feels like none of that really went anywhere. There were the ongoing themes of grief and loss that have been running since Season 3, and I guess we could argue that Tarka represents a different kind of reaction to those things than other characters. But even then, this side of the story doesn’t feel particularly strong.

Tarka with the interdimensional transporter shortly before his death.

It was nice to see that, in his final moments, Tarka seemed to come around to Book’s way of thinking. As he stood on the wrecked bridge of Book’s ship, awaiting the inevitable, he’d taken several steps back toward being the complex character that we believed him to be in his earlier appearances, and I do appreciate that. It wasn’t that there wasn’t time to pay off Tarka’s well-established story. It’s just that Discovery chose not to.

This was a story that, at the end of the day, didn’t need Tarka. It didn’t need a villain to be outsmarted and killed in the final act; all the pieces were in place for a story of first contact with Unknown Species 10-C that was tense, interesting, and engaging without him. There was more than enough drama and excitement in that premise to make Tarka’s addition unnecessary; fluff to pad out a season-long story that I’m sure I’m not alone in feeling had been padded out far more than it should’ve been.

Tarka was ultimately the villain of the season… but he didn’t need to be.

Season 4 could have been structured differently, with the Tarka and Unknown Species 10-C stories going in different directions. If one story had concluded around the time of the mid-season break, the second half of the season could’ve followed another related but separate story… and when both sides of the story were overstretched by running for as many episodes as they did, perhaps that would’ve been preferable.

But that’s less about Coming Home than it is about the structure of the season as a whole! Despite my waning interest in the Book and Tarka story, Coming Home pulled out a complex and emotional ending for both characters. It wasn’t the way I would’ve necessarily hoped for nor chosen, but once the decision had been made to kill off Tarka in this way and to have the fake-out over Book’s death, Discovery executed it about as well as possible.

Tarka and Book caught in an explosion.

Going into the finale there were genuine concerns for Book and Reno’s survival. While a fifth season has been confirmed, neither character was guaranteed to appear in it, and there was a real possibility that one or both could’ve died as Tarka tried to execute an increasingly desperate (and, sadly, an increasingly nonsensical) plan. When it came to the moment of Book’s apparent death, it thus felt like he was really gone; there was no part of me saying “this is all just a fake-out.” And again, this was one of many emotional punches that Coming Home set up and delivered perfectly.

Book’s survival was also kept hidden by the story – we weren’t immediately shown him alive with Unknown Species 10-C – which kept things going as other storylines played out. As a fake-out, I think it worked pretty well. It made Book’s return in a pillar of light feel genuinely wonderful, and took Captain Burnham on a rollercoaster that allowed Sonequa Martin-Green to really show off her emotional range. Both as a story point and on the technical side of things, it worked well for Coming Home.

Book was saved by Unknown Species 10-C.

But, as I’ve found myself saying numerous times as the season has worn on, it means that Discovery has yet again given all of its characters some pretty serious plot armour. In an individual episode we can forgive that a near-death situation resulted in survival, or that an apparently-dead character like Book was safe all along. But when we consider the season overall, no one aside from Tarka was actually killed. Despite the incredibly dangerous situations that the crew found themselves in, and despite the overwhelming odds stacked against them by Unknown Species 10-C, the DMA, Tarka, and everything else they went through, they all survived.

Television storytelling has moved on since Star Trek’s early days – something that the very nature of Discovery is itself testament to. To run an entire season this way – with another “galaxy-ending” calamity for the crew to deal with, which they all survive – risks diminishing the threat felt in future stories. If we as the audience can feel confident that everyone will be fine, no matter what else is happening or how badly the ship seems to be blowing up, that robs the show of a significant portion of the excitement, tension, and drama that its storylines have done an otherwise good job at creating. Book’s fake-out “death” isn’t the problem in and of itself; it’s a symptom of a much bigger issue – the obvious lack of willingness on the part of Discovery’s writers to allow even the most minor of tertiary characters to be killed off. In 2022 that’s out-of-date, and it’s a storytelling mistake that will have to be addressed in future.

Book survived… and so did everyone else.

The whole “Earth is in danger” angle is a trope that I wish hadn’t been brought into the story this season. It’s such a played-out cliché, and it’s one which, as I noted a couple of episodes ago when it was introduced, risks making the end of the story feel formulaic. It was obvious two episodes back that Discovery wasn’t going to allow the destruction of Earth and Ni’Var in the final act of Season 4, so unfortunately I went into Coming Home with that expectation firmly embedded in my mind.

That doesn’t mean that the route to saving Earth was easy, and on the Federation HQ side of the story with Tilly and Admiral Vance there were some absolutely wonderful moments. The swooping arrival of the USS Mitchell – named for Discovery actor Kenneth Mitchell – hit all of the right notes for me, echoing moments like the Enterprise-E’s dramatic entrance during the Battle of Sector 001 in First Contact. In fact, all of the evacuation sequences worked well, and after her departure earlier in the season it was nice to welcome back Tilly – however briefly.

The USS Mitchell arrived to save the day!

I’d have liked to have seen something earlier in the season to perhaps set up some kind of dynamic between Vance and Tilly, and that would really be my only criticism. The two didn’t feel like they had natural chemistry; I was acutely aware of the difference in status between the head of Starfleet and a character who, until a few episodes ago, was a lowly ensign. The two performers did well to sell it, but had we seen Tilly offered her role at Starfleet Academy by Vance, not Kovich, back in All Is Possible, I think we would’ve had some kind of baseline for their relationship. This would’ve let us see how far they’d come to be able to sit together and share a drink as they awaited what seemed to be the inevitable.

That said, I liked the evacuation sequences. In fact, this part of Coming Home might actually be my favourite – surpassing the meeting with Unknown Species 10-C, and definitely beating out the conclusion to Tarka’s story. There’s something about a doomed, heroic “last stand” that always gets me no matter how it’s played, and for Vance and Tilly, they knew that they didn’t have any control over the DMA situation. They had to do their jobs knowing there was nothing they could do to prevent what was happening – they were relying entirely on Captain Burnham and the USS Discovery.

Admiral Vance led the evacuation efforts.

That setup led to a real unexpected highlight. I maintain it would still have worked were it not Earth in the firing line, but setting aside that particular narrative gripe, the scenes at Federation Headquarters were pitch-perfect. Seeing Federation HQ warp in to offer to help, even though Earth was not a member of the Federation, really epitomises what the Federation is all about. That is the spirit of Star Trek, in many ways: offering to help while asking nothing in return. The DMA placed Earth in danger, and Starfleet rode in to help without even having to think twice.

Admiral Vance and Tilly both came to embody that Federation spirit in these sequences, and they gave it their all to get as many people to safety as they possibly could. Choosing to remain behind to cover the escape of the final ships was just the perfect end for both of them – and something I could absolutely see both of them being willing to do. As they sat down, knowing they’d given their all, and shared a drink, I was absolutely blown away by this unexpected and wonderful addition to Coming Home.

Tilly and Admiral Vance sharing a drink.

We also got to spend a little more time with some of Tilly’s cadets from All Is Possible. After those characters fell somewhat flat in that story, it seems like at least some of them have grown into their roles as Starfleet cadets, which was nice to see. It wasn’t a huge part of this side of the story, but it was a neat way to include something that had been established earlier in the season.

There was, unfortunately, a gaping hole on this side of the story. It wasn’t really apparent until Coming Home was drawing to a close, and it didn’t detract from the way any of these incredibly emotional moments felt as they unfolded. But in retrospect I have to ask: where was Dr Kovich? Is he just a gag character now, someone whose lines tease stories that sound interesting but go nowhere? Because that’s what it feels like. After Dr Kovich’s line in The Galactic Barrier that he had “more important things” to do than make first contact with the species who built the DMA, I was hoping that Discovery would pay that off somehow… but it didn’t happen.

What happened to Dr Kovich?

We’ll deal more with the Dr Kovich situation when I take a look back at the season as a whole, but suffice to say that his absence from this part of the story was noticeable, and several threads that seemed to tease that he was working on something interesting with Lieutenant Commander Bryce ultimately just went nowhere. This isn’t a situation like the Picard Season 1 finale, either, where the meandering story of the season ran out of road and didn’t have enough time to pay off its stories… this was a conscious choice on the part of Discovery’s writers. They teased us with Dr Kovich all season long, feeding us little crumbs of information that seemed to set up something about his character… and then just dropped it, perhaps with a snide laugh behind their hands, in the finale.

As the episode wrapped up, it seemed as though Discovery had one last surprise up its sleeve. As the President of United Earth was about to arrive, I wondered if we might be about to see Dr Kovich when the doors wooshed open – if not, perhaps a character from a past iteration of the series. When it was revealed to be a new character I wasn’t disappointed; it seemed as if the point the series was making with the buildup to her reveal was that the President of the Federation, the President of United Earth, and the Captain of Discovery are all women, which I thought was a neat way to go.

I had no idea who this was at first!

But there was more to it that, as a non-American, I missed at first! The President of United Earth was played by Stacey Abrams, an American politician and writer who’s been quite politically active on the left wing of US politics. This casting choice is interesting – and perhaps a little provocative! There will be people on the conservative side of things who will feel upset, and Discovery knew this well in advance of casting this character. Doing so was a way for the series to really emphasise its progressive principles, which have been front-and-centre just as they’ve always been in Star Trek.

Star Trek is no stranger to cameos and stunt castings, before anyone jumps in to say that this one is somehow different because of who it is. The King of Jordan had a cameo in Voyager once upon a time, and there have been real-life astronauts, scientists, and other celebrities who’ve all joined in for guest-starring roles. Considering that Stacey Abrams is, as far as I’m aware anyway, a newbie to acting, I think she did a wonderful job!

The President and the President shake hands.

I adored this scene with the President of United Earth. Set aside the casting for a moment, because the content of the scene made a huge impact on me. Coming Home had already been a hugely emotional story, so seeing Earth rejoin the Federation after two seasons outside it was pitch-perfect. Stacey Abrams and Sonequa Martin-Green excelled in their moments together, and what resulted was an optimistic and emotional high to bring the episode – and the season – to a conclusion.

There are some interesting real-world parallels that the casting of someone like Stacey Abrams arguably hammers home. After the United States had pursued a nativist, isolationist policy for four years, the country is stepping away from that. United Earth rejoining the Federation could be viewed as symbolic of America’s return to the world stage. From a British perspective, it could be seen as a hope for the UK one day rejoining the European Union after the Brexit referendum. Star Trek has always used its sci-fi setting to look at real-world issues, and those are just a couple of possible ways we can interpret this emotional and uplifting end to the season.

Captain Burnham and the President of United Earth.

We’ve come all this way but we still haven’t talked about Unknown Species 10-C! The visual effects used to create one of the most “alien” races ever seen on screen in Star Trek were excellent, though I would caveat that by saying that the meeting place being a carbon copy of the ruin visited in Rosetta detracted a little from the way things looked. Recycling sets has been something that the Star Trek franchise has always done, but this moment was the crux of a season-long story, and I think more could’ve been done to give Unknown Species 10-C’s new home a new look, even if it was just in a minor way through changes and tweaks. It’s been a millennium since they lived on the planet seen in Rosetta, so if for no other reason than the passage of time we might’ve expected it to look slightly different.

That being said, I liked Unknown Species 10-C both in appearance and in concept. Star Trek has a long history of showing us alien races that look only slightly different to humans – and in some cases are completely identical! That’s never been a problem for me; I think it’s part of the suspension of disbelief that one has to have when stepping into the Star Trek galaxy. However, the rise of modern CGI and animation, combined with new technologies like Discovery’s AR wall, mean that some very different aliens can be created and can be blended with real actors. This blend was seamless in Coming Home – as it has been, with only a few exceptions, all season long.

A member of Unknown Species 10-C.

The story of bridging a communication divide is honestly one that I could’ve spent longer on. Much of the legwork had been done in Species Ten-C last week, so we got less of the minutiae that a “learning to understand one another” story can provide. But what we did get was interesting, and we got to see how Unknown Species 10-C didn’t mean to do anything wrong – their scans didn’t indicate that there were sentient life-forms in the areas that the DMA hit.

In that sense, we have a comparable situation to the Burn in Season 3. Unknown Species 10-C weren’t some horrible invading alien for Starfleet to heroically defeat; what happened was a genuine accident, one that they regret. That may not be enough for someone like Book, who lost his home, his family, and his entire race… but it’s a different ending, one that many other sci-fi franchises wouldn’t have even considered. Discovery pulled it off, and while the story leading up to it was imperfect and padded, it worked.

A representative of Unknown Species 10-C conveys their regret to the assembled crew and delegates.

However, Discovery has now run four seasons with some variation of the “major galactic threat” storyline, and I think that framework needs a break. Not every story has to be about the entire galaxy, Earth, and the whole Federation being in danger – there can be just as much drama, tension, excitement, and emotion from stories that are smaller in scale. Just because a story doesn’t threaten life as we know it doesn’t mean it doesn’t matter, and how we as the audience respond to a story begins with the way the characters we’re invested in respond to it. So consider this a plea to all of Discovery’s writers and producers: try something different in Season 5!

I enjoyed the performance from Chelah Horsdal as President Rillak. For practically the whole season I couldn’t tell if we were going to get a “bad Admiral” type of character turn; President Rillak certainly seemed to have a Machiavellian edge that could have made for a wonderfully complex antagonist. In Coming Home, though, we got to see the culmination of her diplomatic efforts and her leadership of the Federation, both through the way the DMA threat came to an end and through Earth rejoining the organisation – something that had been one of her major objectives.

President Rillak speaking with Unknown Species 10-C.

For what feels like the first time this season, Stamets had more than just a couple of lines. It was a shame that he couldn’t be present at the meeting with Unknown Species 10-C; I’d have rather seen him there with Dr Culber and Adira to stand alongside Captain Burnham than some of the secondary bridge characters, really. But it was still nice to see Stamets and his family coming together at the climax of the story, and how Dr Culber forfeited his own chance to go on the away mission to be with them.

Stamets and Culber formed Discovery’s emotional core in the first season and the third, with a disappointing foray into a relationship squabble in the second. But aside from a few smaller scenes, neither character really seemed to have all that much to do in Season 4. With Gray’s story brought to a conclusion early on, in the episode Choose To Live, the family dynamic changed, but Stamets missed practically all of that. In fact, his only scene with Gray all season that I can recall was when Gray left to return to Trill. In short, I was glad to welcome back Stamets in Coming Home, and thrilled to see him bonding again with Culber and Adira… but the reason why it felt so great is because I’m aware of how absent moments like that had been all season long.

Adira, Dr Culber, and Stamets.

I was not a big fan of the Burnham-versus-Book relationship drama angle that began in But To Connect earlier in the season. It didn’t work for me, and I felt that the focus on Burnham and Book’s emotions, particularly in episodes like All In and Rubicon, came at the expense of other characters and other story developments. It was cathartic, then, to see the two finally reconcile in Coming Home, and I’m glad that the season didn’t end with their relationship left in question.

Because of the timing of Book’s fake-out “death,” it could have ended there and still felt satisfactory; Captain Burnham would’ve known that Book loved her, and his actions in his final moments would’ve been trying to stop Tarka and prevent an escalation of the damage he’d already done. That could’ve worked – but I’m glad that Book lives to fight another day and that they got to have a proper sit-down together and a proper reunion on Unknown Species 10-C’s planet. After a storyline that shook things up too much for my taste, a proper resolution that has hopefully set the stage for a rock-solid relationship between them in Season 5 was the least bad outcome.

Captain Burnham and Book embrace.

I enjoyed the speeches both Captain Burnham and Book gave to Unknown Species 10-C, and it was great that they were able to find a way to connect with a species that could have been “too different” to bridge the divide. Book’s speech after his resurrection was remarkable, and the emotion packed into each and every word resonated. David Ajala has done a great job all season long conveying Book’s grief and sense of loss, and he brought everything to bear in this scene as he came face-to-face with the race who killed his family and destroyed his home. It was heart-wrenching to watch.

Captain Burnham’s speech was likewise packed with emotion, particularly as she was still reeling from the shock of Book’s apparent death. This was definitely one of Sonequa Martin-Green’s best moments of the season, as Captain Burnham finally made contact with the enigmatic race. She had to convince them that they needed to stand down – and with just moments remaining, she was able to do so.

Captain Burnham spoke to Unknown Species 10-C.

General Ndoye, who had been responsible for Tarka’s escape during the events of the previous episode, stepped up and admitted what she had done. She presented a strength of character that I wasn’t expecting given how she’d been roped into Tarka and Book’s conspiracy. The idea that the first contact mission was progressing but was sabotaged by people who were unwilling to wait was an angle that was potentially interesting – but it didn’t need to go to such extremes, perhaps.

Still, I liked General Ndoye. Phumzile Sitole played the character with a kind of hard-nosed pragmatism, and although General Ndoye was in the wrong from Captain Burnham’s point of view, it’s only because we as the audience could see what was happening that we realised that. Ndoye acted in what she believed to be Earth’s best interests based on the information she had available – she was never a villain nor an antagonist, and she remained in that complex space even while Tarka was being transformed into an out-and-out villain last week.

General Ndoye.

A few scattered thoughts before we wrap things up:

  • Coming Home contained the first mention of the Borg in Discovery… could that be setting up something to come in Season 5, or perhaps some kind of tie-in with Picard? I can’t help but wonder! Seeing Captain Burnham go toe-to-toe with the Borg would be delicious!
  • Dr Hirai felt sidelined once again, contributing relatively little to the story. This character feels like a waste of potential – someone interesting whose role on the mission made sense, but who was underused and who underwhelmed in the few appearances he made.
  • The destruction of Book’s ship feels like it could be symbolic… but I’m struggling to find the intended symbolism considering that Discovery will presumably bring him back in Season 5, and the show didn’t exactly go through a soft reboot at the end of the season.
  • Unknown Species 10-C definitely gave me a “sea monster” vibe.
  • It was so sweet that Saru and T’Rina finally got together!
A happy ending for T’Rina and Saru!
  • Shutting down the hyperfield, which Unknown Species 10-C had been running for a millennium, seemed a bit quick right at the end.
  • It would’ve been interesting to see Captain Burnham having to lead Discovery on a Voyager-esque mission back to Earth… but Unknown Species 10-C’s wormhole tech meant it never felt like a realistic prospect.
  • I will always love seeing Admiral Vance with his family!
  • The use of Grudge’s collar to escape the forcefield was a clever inclusion that felt like classic Star Trek technobabble.
  • I hope we’ll see Unknown Species 10-C again and they won’t just be forgotten about in future 32nd Century stories.
  • Will Federation HQ now remain permanently in orbit of Earth? Or will other planets want to have Federation facilities, given that Earth has been absent for more than a century? It could be interesting to explore such a conflict in Season 5.
Federation HQ in orbit over Earth.

There’s a lot more to say, quite honestly… but I feel this is already running long. It’s taken me a long time – longer than usual – to get my thoughts in order, and I find that a lot of what I want to say in a more critical way is more about the story or structure of the season as a whole rather than about Coming Home specifically. It was a great episode in its own right, it capped off the season in a beautiful, emotional way, and left me with a real sense of optimism as Discovery prepares for a fifth season. But despite a solid ending, Season 4 as a whole is much more of a mixed bag, and I’d like to talk about that more on another occasion.

Coming Home was the emotional high point of an occasionally frustrating season, but it’s an episode that means we can say that things ended on a positive note. I’m genuinely excited for Season 5 and to see where the show goes next… but I hope it’s not going to be another “the galaxy is in danger” storyline! After the Klingon war, Control, the Burn, and the DMA, we’ve had enough of those.

It took me a while to get this review together, partly because of how much of an emotional experience Coming Home was… and partly because I’m feeling a little burnt out after three weeks of two Star Trek episodes meaning I was writing two big reviews! I really wish Paramount Global would sort out its scheduling…

Star Trek: Discovery Season 4 is available to stream now on Paramount+ in the United States, Scandinavia, Latin America, and Australia. Individual episodes or the full season can be purchased on iTunes, Amazon Video, Google Play, and possibly other platforms in the UK, parts of Europe, and select other countries. The Star Trek franchise – including Discovery and all other properties mentioned above – is the copyright of Paramount Global. This article contains the thoughts and opinions of one person only and is not intended to cause any offence.

Star Trek: Discovery theories – week 12

Spoiler Warning: There are spoilers ahead for Star Trek: Discovery Seasons 1-4. Spoilers are also present for the following Star Trek productions: Picard Season 2, Voyager, Enterprise, and The Next Generation.

Species Ten-C was a good episode, and while there’s still a lot of story to get through if the season is going to wrap up everything by next week, we’re well on the way to stopping the DMA and saving Earth. This week saw the first major theory cull of the season, with a whopping nine debunked theories. As the season approaches its end, this was to be expected!

We’ve got a lot to get through this time as we whittle down the theory list going into the season finale, so let’s get started by looking at the theories that have been debunked.

Debunked theory #1:
Unknown Species 10-C is a faction from a past iteration of Star Trek.

A member of Unknown Species 10-C.

We’d been moving away from this theory for weeks, and it had been looking increasingly unlikely as Captain Burnham and the crew approached their base of operations. As I said when I first considered the theory, it always felt like there was a good chance that Discovery would go down this route; it happened in Season 2 with Control and the Red Angel, and in Season 3 with the Burn. Tarka’s friend Oros also being a new character was a strong indication that Discovery wants to do its own thing, adding to the lore of Star Trek and expanding the franchise instead of returning to elements and factions from the past.

Still, it was fun to consider the different factions that might’ve been involved! There were some genuinely plausible candidates for creating something on the scale of the DMA – the Borg, the Kelvan Empire, and Enterprise’s Sphere-Builders, to name just three – and I had fun putting together my long list earlier in the season. Thinking about where some of these factions could be by the 32nd Century was also interesting.

At the end of the day, I’m not surprised that Discovery went in this direction. What I would say, though, is that now Unknown Species 10-C has been created, I hope Discovery doesn’t just ignore them in Season 5. The story took a long and winding route to reach this point, and it would be a shame if all we ever see of Unknown Species 10-C comes in two episodes at the end of the current season.

Debunked theory #2:
Unknown Species 10-C is extinct.

A bone of Unknown Species 10-C.

This theory would have scrapped the “figuring out how to communicate” angle that was a big part of this week’s episode, and would have replaced it with Captain Burnham and the crew perhaps having to discover how to use some very alien technology to shut down the DMA. When we learned more about Unknown Species 10-C, like their planet having suffered a catastrophe, I felt it was plausible that they were no longer around, with the DMA being a kind of Doomsday Machine-inspired device. There could have been interesting allegories for things like climate change and pollution from such a storyline.

Ultimately, of course, Discovery showed us that Unknown Species 10-C is alive and well, living their best life on three planets inside of their hyperfield. As the season enters its final act, I hope we get to learn much more about this unique civilisation.

Debunked theory #3:
The bones from Rosetta don’t belong to Unknown Species 10-C.

The away team.

I speculated that the huge bones that the away team found in Rosetta may not actually be from Unknown Species 10-C themselves, and could be from domesticated animals or other creatures that lived on their homeworld. This would have potentially allowed for Unknown Species 10-C to surprise us with their appearance, possibly even being humanoid!

It didn’t turn out that way, though, and although the Unknown Species 10-C representative in Species Ten-C was partially obscured when they made contact with the USS Discovery, they seemed to be the right size and shape for the bones from Rosetta. Also, they used the pheromones that the away team discovered.

Debunked theory #4:
The hyperfield will be empty or abandoned.

The USS Discovery at the hyperfield.

This theory could have been connected to the one above, with Unknown Species 10-C being extinct. Or it could have stood on its own, with the hyperfield perhaps serving as a portal or wormhole to a different galaxy or even another dimension. Figuring out where Unknown Species 10-C had gone could have been part of such a story, and maybe Captain Burnham and the crew would have had to leap into the unknown in order to stop the DMA.

As it turned out, the hyperfield had three whole planets inside of it! There were presumably huge numbers of Unknown Species 10-C doing their thing, living their lives and making the hyperfield a thoroughly inhabited place!

Debunked theories #5-8:
Someone else made the DMA.

The DMA on Discovery’s viewscreen.

As of last week, I still had the Red Angel suits from Season 2, Oros, Dr Kovich, and President Rillak on my list of possible culprits, either being directly implicated with the DMA or at least being connected to it in some way. I think we can now strike all of them from the list!

Unknown Species 10-C have clearly never met a human, nor anyone else from within the Milky Way galaxy, as we saw from their inquisitiveness and their initial inability to recognise that the strange creatures they’d encountered were even sentient. If they’d discovered a Red Angel suit or met someone like President Rillak or Oros, Discovery’s initial first contact wouldn’t have unfolded in that way.

Finally, with Tarka now being set up as the villain of the season’s final act, there’s no way to add someone like Dr Kovich or President Rillak into the mix as well. Rillak, despite her Machiavellian qualities, now seems to be firmly established on this side of the story. I think there’s scope to spend more time with her, and perhaps even set up an antagonistic role for her in future, but it now seems certain that it won’t happen this season.

Debunked theory #9:
Captain Burnham will use the interdimensional transporter.

Burnham using a transporter in Season 1.

It’s still possible that Tarka will get his interdimensional transporter working – even if doing so comes at the expense of hurting Unknown Species 10-C. However, this theory was set up on the premise that Unknown Species 10-C may be from another dimension themselves, and that using Tarka’s device could be the only way to reach them. That is clearly not the case, so I think we can strike it from the list.

I’d like to see the Tarka-Oros storyline about their interdimensional transporter paid off before the season ends… somehow. It would feel a little hollow if all it turns out to be is a macguffin, something to motivate Tarka to pursue this increasingly unhinged plot to steal Unknown Species 10-C’s power-generating tech. But with only one episode remaining, there’s very little time left to do anything meaningful with this side of the story!

So those theories were debunked!

There are several other theories that are hanging by the thinnest of threads, but I’m going to leave them in place for now. Even if they don’t pan out this season, there’s still scope for some of them to be incorporated into Season 5.

We have a number of theories that are still firmly in play, though, so let’s jump into the list!

Theory #1:
Unknown Species 10-C is connected to a faction from Star Trek’s past.

The super-synths from Picard Season 1.

Although Unknown Species 10-C turned out to be brand-new to the franchise, there’s still scope for them to have some kind of connection with a faction from Star Trek’s past. Most organic factions are probably ruled out thanks to the way Unknown Species 10-C reacted; they’ve clearly never encountered humans, Kelpiens, or Vulcans before! But they could have met someone like the Borg, for example, or the super-synths from Picard Season 1.

This theory is definitely running out of road with only one episode remaining, and if the season finale has to deal with Tarka and the DMA, perhaps we won’t actually get to learn very much at all about Unknown Species 10-C. However, I think a connection remains a possibility – even if it’s a shrinking one!

Theory #2:
Unknown Species 10-C is responsible for the galaxy’s dilithium supply running out.

The KSF Khi’eth was one of many Federation ships scouting for dilithium as supplies dwindled.

It seems as though Unknown Species 10-C may not have been aware that the Milky Way is inhabited by sentient beings. If that’s the case, and they’ve somehow managed to be entirely unaware of everyone from the Andorians and Borg to the Xindi and Yridians, it’s possible that they’ve been exploiting the galaxy for resources for a very long time. Season 3 didn’t explain why dilithium was suddenly in short supply, so it could turn out that Unknown Species 10-C stripped away much of the galaxy’s supply in the years before the Burn.

Unknown Species 10-C could have even used a similar mining tool to the DMA to extract dilithium, sending it back to their hyperfield through wormholes. Again, time seems to be running out to explore this idea in much detail – but it would be a fun and interesting way to link the two 32nd Century seasons together!

Theory #3:
Book and Burnham will reconcile and get back together.

Burnham and Book earlier in the season.

Book is in serious danger right now! Trapped aboard his ship with Tarka in control, it’s possible that he won’t survive the season. However, if he does survive I’d very much like to see him and Burnham get back together. The whole “relationship drama” angle was not Season 4’s best narrative choice, and there were other ways to get the main story arcs to this point without disrupting Book and Burnham’s relationship.

However, as of Species Ten-C, Book appears to have moved much closer to Burnham’s position of making peaceful first contact. Partly, it has to be said, this is out of necessity: Tarka’s plan would seemingly destroy the hyperfield, the USS Discovery, Unknown Species 10-C, and would still leave Earth and Ni’Var in danger. But even before the consequences of Tarka’s plan became apparent, Book had moved back in this direction. In Rubicon, we saw how he was willing to pause his plan and wait for diplomacy, so there’s scope for him to fully come back into the fold and reconcile with Burnham.

Though I don’t believe female characters in any way need to have a male character in their life, after Burnham had been on a rollercoaster with Ash Tyler in Season 2, giving her a settled relationship worked very well. It was a shame Discovery went down this road in the first place, but all the pieces seem to be in place for a satisfactory conclusion.

Theory #4:
Oros is alive – and we’ll see him soon!

Oros.

The revelation that Tarka’s plan will actually end up killing everyone is a bit of a damp squib; an unnecessary twist that took the character from complex and understandable to out-and-out villain. However, because of the nuanced and interesting characterisation over the preceding few episodes, part of me is still rooting for some kind of reunion between Tarka and the long-lost Oros.

Perhaps Discovery will surprise us by showing Tarka’s plan succeed – he could activate his interdimensional transporter and disappear, leaving Captain Burnham to pick up the pieces. Or maybe a series that has talked big on middle grounds, compromises, and diplomacy will see Captain Burnham or President Rillak reach out to Tarka, offering him a different pathway to success.

Discovery teased us unnecessarily by keeping Oros’ identity a secret before showing us the character in quite a bit of depth. It would be a shame if Oros only exists in flashbacks; less a character than a narrative device to give Tarka’s quest a motivating factor.

Theory #5:
The interdimensional transporter works!

Oros and Tarka with the original interdimensional transporter.

Connected to the theory above, if Tarka is to succeed in his goal of reaching Kayalise then his interdimensional transporter needs to work! He’s convinced that it does, and that the one Oros built at the prison camp also worked. If the two are to have any hope of reuniting, this crucial (and power-hungry) piece of technology is essential.

In narrative terms, the interdimensional transporter is a macguffin right now. But it has huge potential – perhaps opening up future Discovery or 32nd Century stories involving visits to parallel universes. This could even be the way that the outlying story of Calypso is brought into the fold. In short, there are many good reasons to demonstrate its success!

Theory #6:
The Guardian of Forever will make an appearance.

The Guardian of Forever in Season 3.

Earlier in the season I’d been speculating that Captain Burnham could turn to the Guardian of Forever for help with the DMA. That didn’t happen (she seems to have entirely forgotten about the Guardian’s existence) but there is still a way to bring the Guardian back into the story in a way that makes sense.

In short, Season 3 saw the Guardian send Georgiou to an alternate reality, so it stands to reason it could do the same for Tarka. The Guardian of Forever is one of the few ways that could allow everyone to get what they want: the DMA could be moved away from Earth and inhabited worlds, Unknown Species 10-C could continue to mine boronite, and Tarka could use the Guardian to travel to Kayalise. There’s also a remote possibility that the Guardian could be used to send the USS Discovery back in time as part of a tie-in with Calypso, but at this late stage in the season I don’t think we’ll get that.

Theory #7:
A major character will be killed off.

A Federation funeral service.

This would’ve made more sense earlier in the season, with the death of a major character potentially setting up the danger of the DMA and Unknown Species 10-C, but even at this late stage it could still be impactful. Right now, Tarka has to be top of the list for not surviving the finale. Somehow, Captain Burnham will have to stop him, and one reliable way to do that would be for him to be killed! This happened in Season 1 with Lorca, in Season 2 with Control, and in Season 3 with Osyraa, so Discovery has precedent for killing its villains.

However, there are other possibilities. Lieutenant Commander Bryce is very high on the list following his emotional goodbye with Saru a couple of episodes ago, and had warranted his own entry on the theory list for the past couple of weeks! Then we have Book and Reno, who are trapped with Tarka aboard Book’s ship. One or both of them could be killed, either accidentally or intentionally, during Tarka’s quest to reach Kayalise.

Lieutenant Commander Bryce.

The departures of Gray and Tilly have the potential to shake up the cast as Discovery prepares for its fifth season, but both characters have just left the ship to do other things; they could return at any time and their friends know that they’re safe. A character death – if well-timed and pulled off with the right weight and emotion – can be incredibly impactful, not only to the characters they leave behind, but to us as the audience as well.

At points this season, I’ve felt that Discovery has given even its minor characters some pretty heavy plot armour. And if the aim was to communicate the stakes involved with the DMA and Unknown Species 10-C, a character death this late in the game would miss the mark. But there’s still time for a dramatic twist of this kind!

In ranked order of how likely I think they are to die in the season finale, we have the following characters: Tarka, Bryce, Reno, Tilly, and Booker.

So those theories saw movement this week.

We still have a number of theories left in play, with quite a few seeming increasingly unlikely to be included this season. However, it’s possible for the season to end with a cliffhanger, or for the final act of the season finale to set up something big for Season 5 that could include any of these story elements. I’ll recap the remaining theories here.

Theory #8:
We’ll learn more about who Dr Kovich is and what position he has within the Federation.

The enigmatic Dr Kovich.

I have four theories about Dr Kovich that came to the fore in The Galactic Barrier. In that episode, Dr Kovich claimed to have “more important things” to do than accompany the USS Discovery to Unknown Species 10-C’s hyperfield. This prompted a lot of speculation – but with the last two episodes having ignored him altogether, this could be one of those Discovery lines that sounds exciting and interesting… but ultimately has no payoff of any kind.

Regardless, here are my Kovich theories summarised:

Theory #8-A:
Dr Kovich works for Section 31.

Sloan, a 24th Century Section 31 leader.

Section 31 is the off-the-books, black ops division of Starfleet Intelligence. They run morally questionable operations and even attempted to commit genocide against the Founders of the Dominion in Deep Space Nine. I originally pegged Dr Kovich as a Section 31 leader back in Season 3 for his treatment of Georgiou. He also seems to have a very wide range of skills and a lot of power: appointing Starfleet Academy instructors, having access to classified intelligence, and acting as a therapist or psychiatrist are all things we’ve seen him do.

Theory #8-B:
Dr Kovich is Vice President of the Federation.

If there’s a President then there must be a Vice President!

We got confirmation a couple of episodes ago that President Rillak has an unnamed Vice President. This character was only mentioned briefly and their name wasn’t revealed, so it’s possible they’ll never be shown on screen and won’t matter to the story. However, it seems at least plausible that Dr Kovich is the Vice President; it could account for his powerful role within the Federation hierarchy and give him a reason to remain behind.

Theory #8-C:
Dr Kovich is a Q (or similar alien).

Q.

This would be a complete twist, but I wonder if the reason for Dr Kovich’s enigmatic nature is that he’s a member of the Q Continuum.  It could be revealed that Dr Kovich is from an alien race and has been observing the Federation while trying to offer limited help and guidance – not dissimilar to how Q operated. This could explain why he seems to offer fairly limited help, at times, or sets up other characters to make breakthroughs with a little prompting.

Theory #8-D:
Dr Kovich is preparing a weapon of last resort to strike Unknown Species 10-C.

The Burn as shown in Season 3.

One reason why Dr Kovich may have remained at Federation HQ (regardless of what his job title is) could be to prepare a backup plan in case the USS Discovery’s mission fails. This could take the form of some kind of “weapon of last resort” which could be far more powerful than Tarka’s isolytic weapon. It could also make use of time travel, or even be a weaponised form of the Burn.

Theory #9:
Admiral Vance’s holo-message about Earth and Ni’Var was fake or has been tampered with.

Captain Burnham listening to Admiral Vance’s message.

As I said in my review, this is the one part of The Galactic Barrier that I wasn’t wild about. Earth being in trouble is a cliché, and one which really makes the ending of the season feel like an inevitability – with Earth, Titan, Ni’Var, and the rest of the Sol and Vulcan systems in danger, it’s unfathomable that the DMA won’t be stopped in time. But I digress!

If there are other plans afoot at Federation HQ then it’s plausible to think that someone either faked or tampered with Admiral Vance’s holo-message, meaning that the information Captain Burnham and the crew received wasn’t correct. It could lead to an attempt at a dramatic finale, with Captain Burnham thinking she’s too late to have saved Earth… only to discover that Earth is fine because it was never in danger to begin with!

Theory #10:
The ban on time travel will be explained in more detail.

The USS Enterprise-E travelled through time in First Contact.

As mentioned above, there may be plans afoot within the Federation and Starfleet to strike Unknown Species 10-C, and a weaponised form of time travel could be a last-resort weapon that the Federation – and other galactic races – might consider using. If so, perhaps the ban on time travel that was introduced in Season 3 will be explained in more detail or expanded upon.

The ban made storytelling sense; it was a way to avoid questions about how the 32nd Century was so different to the far future glimpsed in past iterations of Star Trek, it prevented an easy fix to Georgiou’s health condition, and it prevented any of the main cast returning to the 23rd Century. But it also raised some issues for nitpicking Trekkies like us! The biggest one was how something like this could possibly be enforced; it isn’t possible to un-invent a powerful, weaponisable technology, and even if every single race in the galaxy agreed to the ban in theory, it seems like it would need an incredible level of oversight to enforce it. Finding out more about how the ban works is as much a hope as a theory in some respects, but I think it’s something Discovery should at least attempt to do!

Theory #11:
The Federation has flouted the ban on time travel (or is about to).

Book, Burnham, and Sahil with the flag of the Federation in Season 3.

As above, it may be possible that the Federation is about to make a move using time travel to attack Unknown Species 10-C. If so, we may be about to learn that it isn’t the first time that they have failed to abide by the rules set out in the ban on time travel.

It doesn’t seem likely that the DMA is directly related to time travel, as I had previously suggested. But if time travel is about to come into play, we could learn more about the ban and the Federation’s relationship to it.

Theory #12:
Unknown Species 10-C built the Galactic Barrier.

The USS Enterprise approaching the galactic barrier.

Given their technological capabilities, it doesn’t seem impossible that Unknown Species 10-C constructed the Galactic Barrier – perhaps as a way to shield themselves from the races of the Milky Way, or perhaps to keep anyone from exploring too far and discovering their location. There are many reasons why a technologically advanced race might want to build something on this scale – and we could even learn that the harvested boronite is being used to fuel the Galactic Barrier itself.

One possible explanation for why Unknown Species 10-C might want to build something like the Galactic Barrier is to keep the Milky Way’s inhabitants in… but it could also be a shield designed to keep someone else out. That raises a very frightening question: what could be so powerful that a barrier is needed around the entire galaxy? And what could be so dangerous that being locked inside a galaxy with the Borg would be preferable?

With Unknown Species 10-C seemingly being very secretive, I think the idea of them building it to shield themselves is more likely… but there are definitely a lot of ways this theory could go!

Theory #13:
Someone else built the Galactic Barrier to keep Unknown Species 10-C out.

The Galactic Barrier.

If the Galactic Barrier is an artificial construct, perhaps it was created by another race or faction as a shield against Unknown Species 10-C. It could be the case that Unknown Species 10-C has used DMA technology against the Milky Way in the distant past, and some other race or faction constructed the Galactic Barrier to keep them out. If Unknown Species 10-C are belligerent and interested in conquest, it might take something on a galactic scale to keep the Milky Way safe. A race like the Q could be responsible if that’s the case.

Obviously this theory and the one above can’t both be right! And it’s a distinct possibility that the Galactic Barrier element of the story was just a convenient macguffin to blind Starfleet to Unknown Species 10-C and prevent easy travel to their region of space, dragging out the story and prolonging attempts at communication so other narrative threads could play out.

If that’s the case, we may learn nothing about the Galactic Barrier in the season finale! However, I still think it’s interesting to consider the possibilities, and it could be fun to finally get some more detail on this lesser-known but significant aspect of the Star Trek galaxy.

Theory #14:
There will be a character crossover from a past iteration of Star Trek.

Star Trek has had some wonderful crossovers in the past.

There are many ways to bring back a character from a past iteration of the franchise and incorporate them into the story of Season 4 – and there would be many potential benefits to doing so! I had initially proposed a version of this theory in the run-up to Season 3 that centred on the Doctor from Voyager – but with some creative technobabble, practically anyone could be included, despite the leap forward in time.

Choose To Live showed us the Abronians in cryo-sleep, and Stormy Weather saw the crew of Discovery use the transporter buffer to survive – just like Scotty had done in The Next Generation Season 6 episode Relics. Could these be hints at something to come?

It would also be possible for Captain Burnham to discover the logs or a holographic recording of a long-dead character – and while this would be less of a “crossover,” it could still be a ton of fun and great fan-service!

Theory #15:
Book will find Kyheem and Leto inside the hyperfield.

Leto in Book’s dreams.

In Star Trek: Generations, Captain Picard encountered Captain Kirk inside the Nexus – despite Kirk being declared “dead” after the Enterprise-B encountered the energy ribbon almost eighty years earlier. Now that we know a little more about how the DMA operates, it seems at least faintly possible that, just like Captain Kirk, the inhabitants of Kwejian may not be as dead as they first appear.

This theory is, I freely admit, a bit of a long-shot. But the wormhole technology that we know the DMA uses seems to be capable of sending some of what it harvests or mines back to Unknown Species 10-C’s base of operations. Maybe that means that some of the people from Kwejian were transported there instead of being killed. Now that Book is inside the hyperfield, could a reunion of some kind be possible?

Theory #16:
Michael Burnham won’t remain captain of the USS Discovery.

Lorca was Discovery’s captain in Season 1.

It’s possible that Captain Burnham will have to go to extreme lengths to stop the DMA and/or Tarka, and while I doubt very much that she’ll be killed off, something major could happen in the season finale that sets the stage for her departure from the series.

The developing situation between Captain Burnham and Book could end up with her choosing to resign her commission or taking a new job within Starfleet. Her role as captain of Discovery forced her to choose her responsibility to the Federation over her relationship, and after she was almost forced to kill Book, it would be understandable if Captain Burnham never wanted to be put in that position ever again!

Pike commanded the ship in Season 2.

It wouldn’t be the first time Captain Burnham has been unsure of her place in Starfleet and what role she wants to have. We saw this in Season 3 as part of the background that set up her eventual ascent to the captaincy, and while it seems unlikely that it will come back into play in a big way, the situation with Book could be a catalyst for Captain Burnham wanting to have a simpler life either outside of Starfleet or, at the very least, out of the captain’s chair.

This would also continue a trend that Discovery has had across all four seasons thus far: the rotating captaincy of the ship. Each season has seen a new captain in command, and with Season 5 in the offing, it’s got to be at least possible that this trend will continue. I’m not really in favour of this, but it’s certainly interesting to consider. Because Captain Burnham has been the show’s protagonist since Season 1, it seems unlikely, and the overall arc of Discovery between Season 1 and Season 3 can be read as her redemption and ascent to the captaincy. But the show’s revolving door of captains may continue, and her conflict with Book and the difficult emotional situation it put her in could be the trigger to make this happen.

Theory #17:
Saru will be given the captaincy of the USS Voyager-J.

Captain Saru in command… of a shuttle!

Saru’s future was briefly discussed before he offered to serve as Captain Burnham’s first officer in the episode Anomaly. He has already been offered a command of his own, so Starfleet clearly values his command abilities and experience. President Rillak was seen to be assessing Captain Burnham’s suitability for the captaincy of the USS Voyager-J in Kobayashi Maru… and she mentioned having a shortlist of candidates. Could Saru be on her list?

Several of the qualities that President Rillak said she was looking for in a potential captain seem to apply to Saru. He’s more level-headed, less likely to put himself in a dangerous situation, and more inclined to think of the big picture. He has a weakness when it comes to Kaminar, as we saw toward the end of Season 3, but generally speaking he isn’t someone who lets his emotions get the better of him. His wisdom and calm demeanour could be valuable in the captain’s chair of the Federation flagship. This could also set the stage for his departure from the show, or possibly even for a new show following his adventures aboard his new ship.

Theory #18:
Season 4 will connect with the Short Treks episode Calypso.

The USS Discovery in Calypso.

Zora’s status as a member of the crew was confirmed in But To Connect, and this followed her developing emotions and sentience earlier in the season. Zora is now much closer to her presentation in Calypso, potentially bringing the story of the Short Treks episode one step closer.

With just one episode remaining and a lot of other storylines to get through, this one feels less and less likely – but it could be an interesting cliffhanger ending if the ship had to be sent back in time!

Theory #19:
Some areas of the galaxy – such as the Delta Quadrant – avoided the worst effects of the Burn.

Adira and Stamets with a map of the Milky Way galaxy.

In But To Connect, President Rillak told us that the diplomatic summit she convened would bring together races from “all four” quadrants. Assuming she was referring to the familiar Alpha, Beta, Gamma, and Delta Quadrants that make up the Milky Way galaxy, this would count as our first mention of the Delta Quadrant in the 32nd Century. I didn’t spot any familiar Delta Quadrant races (or their emblems) amongst the assembled delegates, however!

I had previously speculated that the Burn may not have affected the entire galaxy equally, and that regions farthest away from the Verubin Nebula may have survived without much damage. I still think that this is a possibility – though whether Discovery will revisit the Burn in any depth, or visit the Delta Quadrant at all, remains unclear.

To see a full write-up of this theory, click or tap here.

Theory #20:
The crew will have to defend the Verubin Nebula.

The dilithium planet is vital to the Federation.

This one is definitely hanging by a thread right now, at least in terms of Season 4! The story continues to unfold in a very different direction, largely ignoring the main story beats from Season 3. But the dilithium shortage has been mentioned more than once, and as things stand right now, the Federation is in control of the galaxy’s only significant dilithium supply. The Verubin Nebula is almost certainly going to be a target for somebody – even if Unknown Species 10-C don’t care about it.

It begins to stretch credulity to think that all of the belligerent factions and races present in the galaxy would become aware of the Federation controlling this impossibly valuable resource and wouldn’t want to take it for themselves. And while it may not happen now until after the DMA storyline has run its course, I think sooner or later someone is going to want to steal the Verubin Nebula and its dilithium. Maybe it will be at the end of Season 4, maybe it will be in Season 5… who knows?

Theory #21:
Tarka will create his own DMA.

Tarka and Stamets Saru with their DMA model.

In The Examples, we saw Tarka – aided by Stamets – building a scale model of the DMA. Now that his plan to destroy it and seize its controller has failed, perhaps he’ll attempt to recreate the device using the knowledge he acquired. If so, he could inadvertently create a new DMA. Or, through time travel shenanigans, Tarka could turn out to be the creator of the original DMA!

If Tarka isn’t able to find a power source for his interdimensional transporter on the far side of the Galactic Barrier, he may feel he has no choice but to try and recreate the DMA’s original power source.

Theory #22:
We haven’t seen the last of the Abronians.

I currently have four ideas for different ways that the Abronians – the non-humanoid race that Captain Burnham, Tilly, and the Qowat Milat helped save from cryo-sleep in the episode Choose To Live – could play a further role in Season 4. Time is ticking away… but it’s still possible!

Theory #22-A:
The Abronians’ homeworld was destroyed by the DMA.

Captain Burnham believes this image depicts a “supernova.”

After arriving at the Abronians’ cryo-ship, Captain Burnham found a stone carving that seemed to depict the destruction of the Abronians’ homeworld. This carving was only shown on screen briefly, but it seemed to show the planet being damaged or destroyed in a large explosion. Burnham credited the planet’s destruction to a “supernova,” and the story then raced ahead.

We’re running out of time with this one – and it could be that Captain Burnham’s initial observation was correct. But this would be one way to connect this side-story to the season’s main narrative arc.

Theory #22-B:
The Abronians’ homeworld was on the other side of the DMA.

Abronian stasis pods.

One thing struck me as odd about the Abronians: the Federation was entirely unaware of them, despite the Abronian cryo-ship being relatively close to Federation space – such that Captain Burnham could reach it using Book’s ship in a short span of time. It’s possible that the Abronians had been asleep for millennia, unnoticed by the Federation and the wider galaxy for all that time. But it’s also at least possible that their cryo-ship is a newcomer to the area.

Having seen the destruction present on Unknown Species 10-C’s ex-homeworld, maybe the Abronians fell victim to the same devastating event if their original planet was in the same region of extragalactic space.

Theory #22-C:
The Abronians will return to help the Federation.

A deceased Abronian.

One of the themes of Discovery since Season 3 has been connection, including building connections between the Federation and other races and organisations. The Abronians were awoken from cryo-sleep thanks to the interventions of Captain Burnham and Tilly – at least in part – and they may seek to repay the Federation, or Captain Burnham personally, for that help.

We saw this play out last season with Ni’Var; in the season finale Ni’Var ships raced to the Federation’s aid as the Emerald Chain attacked. Perhaps the Abronians will likewise step up to help when the Federation needs allies.

Theory #22-D:
The Abronians’ moon-ship may be useful in a later story.

“That’s no moon…”

The cryo-ship used by the Abronians was huge, and appeared to have the mass of a planetoid or small moon. With Earth and Ni’Var now under threat and an evacuation necessary, perhaps the Federation will ask the Abronians to borrow their moon-ship. This could even be what Dr Kovich was planning to do and why he couldn’t join Discovery on the mission through the Galactic Barrier.

The moon-ship was fully operational thanks to the new dilithium that J’Vini “procured,” so it could be commandeered by Starfleet for the purposes of an evacuation. That would be one way to pay off what is, at the moment, a side-story.

Theory #23:
Kayalise is the Kelvin universe.

The titular USS Kelvin.

Oros didn’t make clear, in the flashback sequences we saw, exactly what Kayalise would be like. He only believed that it would be better than the prime universe, and talked about it in mythological, almost religious terms. That could mean something significant, or it could simply be Oros being poetic!

Tarka had previously suggested that the universe he hopes to escape to is one where the Burn didn’t happen and the Emerald Chain never rose to power. Because of the unique circumstances of the Burn, it seems at least possible that it didn’t occur in the Kelvin timeline – the one established by 2009’s Star Trek. We’ve already had at least one Kelvin reference in Discovery’s 32nd Century, confirming that the universe was known to exist and was reachable. With a fourth Kelvin film in early production, it’s possible that Kayalise is actually the Kelvin universe!

So that’s the main theory list!

We now have three production-side theories in play, so we’ll look at those too before we wrap things up.

Production-side theory #1:
There will be some kind of crossover with Star Trek: Picard Season 2.

Picard Season 2 is running alongside Discovery.

This theory has arisen in large part because of the very odd scheduling of Picard Season 2 and Discovery Season 4, which will run alongside each other for three episodes. I wonder if that’s because some kind of crossover is on the agenda. With time travel playing a significant role in the story of Picard Season 2, it seems at least plausible to think that some kind of connection is possible!

This could be a complete over-reach, and the ultimate “explanation” for the weird scheduling may turn out to be nothing more than the random illogical spasms of the ineptly-managed Paramount+ and parent company Paramount Global. That would not surprise me in the slightest! But I really do find the scheduling odd.

Admiral Picard.

The shorter seasons of today’s Star Trek shows means that there really isn’t any need for such a pile-up this spring. Discovery has thirteen episodes, Picard and Strange New Worlds have ten apiece – and even with Lower Decks and Prodigy still to come, there are more than enough weeks in 2022 for the entire Star Trek franchise to be evenly spread out. Why have four out of ten weeks with two episodes from two different shows, then a gap of several weeks later in the year where no new Star Trek is broadcast? It makes no sense – especially not on a streaming platform.

Finally, with the constipated international rollout of Paramount+ showing no signs of speeding up, it’s looking increasingly likely that Strange New Worlds will be broadcast in the United States weeks or months ahead of its international premiere. If both Picard Season 2 and Strange New Worlds were delayed by as little as 5 or 6 weeks, this might be able to be avoided – assuming the rollout of Paramount+ “by the end of Q2” happens as planned.

In short, it’s all very strange – but one possible explanation for the weird scheduling could be that there’s a crossover event planned sometime in the next three weeks!

Production-side theory #2:
Tilly’s departure will be permanent.

Tilly’s departure feels permanent.

Mary Wiseman confirmed in an interview with Wil Wheaton on The Ready Room (Discovery’s social media aftershow) that Tilly will be seen again before the end of Season 4, and we glimpsed her in the trailer for the second half of the season as well. But that doesn’t mean she will return as a main character on the show going forward, and her departure in All Is Possible felt permanent. Despite that, I’ve seen quite a lot of folks online who don’t believe that Tilly is actually leaving the series – so I wanted to put it out there officially and say that, in my opinion anyway, she is.

Maybe those people know something that I don’t! As I always say, I don’t have any “insider information;” all of this is just speculation on my part. However, I feel that the manner of Tilly’s departure, the fact that she got that emotional sequence with Captain Burnham, a montage showing her leaving the ship, Adira seeming to take over several of her roles, and her departure feeling like the culmination of her arc going back to the latter part of Season 3 all come together to strongly indicate that she won’t be back as a major character. She may yet have a significant role to play in a future Season 4 episode, as has been suggested, but unless Discovery’s writers are really playing with our emotions I believe we’ve seen Tilly’s end as a main character on the show. She may come back in a future Starfleet Academy series, though… so watch this space!

Production-side theory #3:
Season 4 will end on a cliffhanger!

Star Trek has a long, well-established tradition of season-ending cliffhangers! There have been some truly shocking ones in the past, including The Best of Both Worlds in The Next GenerationDeep Space Nine’Call To ArmsEquinox in Voyager… and many more! With the story of Unknown Species 10-C and the DMA slowly being unpicked, it could be the case that we’ll get a clean resolution – like we did at the end of Season 3. But it’s also possible, in my opinion, that Season 4 will end in similar fashion to Season 2 – on a major cliffhanger!

That could be because the Unknown Species 10-C story didn’t conclude, or a war with the mysterious faction is about to break out. But the Season 4 finale could also set up the beginnings of Season 5’s story, just like how the final moments of Season 1 saw Captain Pike’s Enterprise link up with the USS Discovery.

So that’s it!

The USS Discovery and Book’s ship in Species Ten-C.

We still have a long list of theories as we head into the season finale. Obviously most of them won’t pan out – there isn’t time in a single episode to pay off even half of those still on the list! But they all seem possible or plausible to me, and with a fifth season of Discovery having been confirmed, maybe we’ll see some of them return in 2023 when I start putting together my Season 5 theories!

I always like to end these theory lists by saying that I do this just for fun. I enjoy writing, I enjoy Star Trek, and spending more time in this world is an escape and an enjoyable distraction. But for some folks, fan theories can be frustrating or unenjoyable, especially if they get very attached to a plausible-sounding theory that ultimately doesn’t pan out. I have no “insider information” and I’m not trying to claim that anything suggested above can, will, or must be part of Discovery Season 4. I fully expect many of these theories to be debunked and for the season to go in wildly unpredictable directions!

Star Trek: Discovery Season 4 is available to stream now on Paramount+ in the United States, Scandinavia, Latin America, and Australia. The show is on Pluto TV in the UK, France, Germany, Italy, and other parts of Western Europe at 9pm on Fridays and Saturdays. Individual episodes or the full season can be purchased on iTunes, Amazon Video, Google Play, and possibly other platforms in the UK, parts of Europe, and select other countries. The Star Trek franchise – including Discovery and all other properties mentioned above – is the copyright of Paramount Global. This article contains the thoughts and opinions of one person only and is not intended to cause any offence.

Star Trek: Discovery review – Season 4, Episode 12: Species Ten-C

Spoiler Warning: There are spoilers ahead for Star Trek: Discovery Seasons 1-4.

Species Ten-C wasn’t just a good episode in its own right, with plenty of excitement and tension that showed how Star Trek can do a heck of a lot without resorting to violence and battles, but it was one that made the episode immediately preceding it significantly better in retrospect. I wrote last week that the one saving grace to an otherwise frustrating experience in Rosetta could be if the hydrocarbons discovered by Captain Burnham and the away team were put to good use – and that happened in a big way this time.

On the other side of the story, I finally felt what I believe the writers have been aiming for for weeks with the Book and Tarka storyline: that Captain Burnham was right, diplomatic initiatives should be given a chance, and that Book has fallen victim to Tarka’s manipulations. While this has the unfortunate effect of relegating Tarka from a complex character with an equally understandable motivation into the out-and-out villain of the season’s final couple of episodes, it clarifies what had been until now a very fuzzy and occasionally frustrating story.

The Book and Tarka storyline was expanded upon in a big way this week.

If I were to be critical of Species Ten-C, what I’d say is that it probably took too long for the season to reach this point. Several advances in the DMA/Unknown Species 10-C storyline were sprinkled in at or near the end of unrelated or tangentially-related episodes, with the Federation often running into problems or delays that took too long to surmount, and the result of that is that it took a long time to arrive at the hyperfield.

The story of finding a way to bridge the communication divide could have been a longer one, and it was handled in a genuinely interesting way – but with only half an episode dedicated to it here and just one final episode of the season remaining, it’s an interesting concept that may not be explored in as much detail as it could have been.

Species Ten-C saw the crew making first contact.

This story of learning how to communicate with someone far more alien than usual, and doing so while under threat thanks to the DMA, is not one that required a B-plot villain. While Tarka was interesting in his earlier appearances and his motivations were laid out in a clearly understandable way, the narrative just doesn’t require this additional element in order to be exciting.

Discovery has a tendency, as I’ve pointed out on a number of previous occasions, to try to inject double the tension and three times the drama when it just isn’t necessary, and if I were to make one comment about the series as a whole it’s that the writers need to have more confidence in their stories. Dropping the Tarka angle, or reworking it to make him less of an antagonist in this final chapter, would allow the main story of learning to communicate with Unknown Species 10-C to stand on its own – and as it’s already sufficiently tense, interesting, and engaging, Tarka’s villainy just isn’t necessary.

Tarka in Species Ten-C.

Not for the first time, Discovery has set up a character who feels well-rounded and complex, with motivations that seem understandable, only to turn them into a pretty standard villain later on. I wouldn’t have even called Tarka “morally ambiguous;” his weapon plan made a lot of sense when it was first proposed, and I even suggested that a show which has had themes of seeking a “middle ground” could have figured out a way to keep Tarka on board, building his weapon as a back-up plan while attempting to make first contact. But as with Captain Lorca in Season 1, much of Tarka’s nuance now feels lost; brushed aside because the writers determined that the season needs a villain.

There were other ways to formulate this story that either skipped over Tarka altogether or that kept him in that complex space. We may yet learn that his interdimensional transporter will be important, in which case he may have served a narrative function, but if the ending of the story is going to be Tarka’s defeat or death, with a reunion with Oros not being able to happen, then I think I’ll have to go back and re-evaluate his role in the season overall. This story already had the complexities of Unknown Species 10-C and the DMA; I’m not sure it needed a second antagonist, especially not one who seems to have come at the expense of an interesting and complex character.

Tarka with Oros earlier in the season.

We’ve also got to talk about the new character of Dr Hirai. In short, he needs to do something truly outstanding and unique next week – otherwise his inclusion in the season will have proven to be a complete and utter waste of a great actor. I like the concept of the character; a linguistics and communications expert seems perfect for this kind of mission. But in his two earlier appearances this season he did nothing whatsoever, and his accomplishments this week were relatively minor. It didn’t feel like bringing Dr Hirai along was in any way important to the success of the mission, with Captain Burnham, Zora, Saru, and even characters like Detmer, Nilsson and the very minor Lieutenant Christopher all contributing at least as much – if not more – to the story as he did.

He was ultimately sidelined by President Rillak, who chose Saru and Burnham over him for their linguistics and first contact expertise, confirming his relegation to a bit-part role at best. In light of what happened last week with Rosetta, I’m willing to wait and see if Dr Hirai will yet make a significant contribution – but with only one episode left in which to do so, he needs to do something big pretty quickly or we’ll unfortunately have to consider his inclusion in the story a bit of a let-down.

Dr Hirai doesn’t have long left to make an impact on the story.

There is one concept underlying the way Unknown Species 10-C reacted to Discovery’s arrival – and the conversation it prompted between Captain Burnham and the others – that I didn’t like. As humans, we’re able to recognise signs of intelligence in other species, even though we’re far more advanced and intelligent than they are. We can recognise the complex social structures present in ant colonies, for example, or how crows and some great apes are learning to use tools. Even though these creatures are far lower on the intelligence scale than we are, we’re able to determine quite easily that animals – even small and lowly ones – can exhibit signs of complex understanding and intelligence.

With that in mind, the idea that Unknown Species 10-C would see a starship arriving at warp speed, using a warp core and a spore drive, built from clearly artificial alloys, and somehow not understand that the creatures aboard it are sentient makes no sense. This species is supposedly much farther advanced than even the 32nd Century Federation, and even though they exist outside of the galaxy they must have the ability to scan and detect the existence of other sentient species, even if they choose not to interact with them. It’s conceivable that they might be selfish and not care about any other species besides themselves – but the idea that they would be unaware or incapable of determining intelligence in this situation is one that I can’t buy as a believable story point.

The USS Discovery approaches the hyperfield.

It seemed at first as though Species Ten-C was going to centre on this aspect of first contact, and I was certainly a little disappointed at first. But thankfully this didn’t last too long, with Unknown Species 10-C eventually getting the message and realising that the life-forms aboard the warp-capable starship are actually intelligent. Took them long enough!

I know that probably sounds like a nitpick – and it is, in a way. It’s just that, despite all of the talk of Unknown Species 10-C being very alien and having a very different culture, some things should be universally obvious – like if someone is capable of building a starship that can travel faster than the speed of light, use metal alloys that don’t exist in nature, and fly right up to your base to initiate contact, it’s probably a safe bet to assume that they possess some degree of intelligence. That should apply no matter who you are! And as pointed out above, humans are capable of recognising the signs of intelligence in the natural world. As a narrative beat, I get that it was in there to make the initial meeting feel very tense, but it’s kind of illogical if you think about it!

A representative of Unknown Species 10-C.

We didn’t get a clear look at Unknown Species 10-C, as their representative was partially obscured by a cloud of swirling gas. Nevertheless, the visual effects on this side of the story were mostly high-quality, and Unknown Species 10-C themselves at least seem like they’ll be visually interesting if we ever get a better look at them. I actually got a slight “Mass Effect Leviathan” vibe from what we glimpsed of Unknown Species 10-C. The design of the hyperfield was likewise interesting; it appeared much more solid than I had been expecting based on the holographic projections seen in previous episodes. Seeing it go from solid-metallic looking to swirling like fluid was also a very cool visual effect that Discovery executed well.

The only visual that I felt was a bit of a miss was Unknown Species 10-C’s shuttle pod/diplomatic chamber. When it arrived in Discovery’s shuttlebay it looked rather bland and low-quality, like a video game where a texture hasn’t loaded properly. It was clearly designed to look similar to the hyperfield, but I guess trying to blend that with a real set and real actors was difficult. It didn’t look awful, but it was noticeably lower quality when compared to the rest of the visual effects and animation work present in Species Ten-C.

This visual effect felt rather weak.

The idea of Unknown Species 10-C recreating part of Discovery as an environment for the crew works as a story point – I can quite understand why they’d choose to do something like that. But I confess that I rolled my eyes a little when I saw Captain Burnham and the others stepping onto the bridge set. It was understandable in the context of the story, but it didn’t make for a particularly impressive or interesting sequence when shown on screen. In fact, it almost makes Species Ten-C feel like a “bottle” episode – a Star Trek trope going all the way back to The Original Series where episodes would be set entirely aboard the ship.

As mentioned above when discussing Dr Hirai, President Rillak chose to bring both Captain Burnham and Saru when boarding Unknown Species 10-C’s diplomatic shuttle. And aside from totally sidelining Dr Hirai, this also left the command structure of Discovery and the rest of the mission uncertain. Rhys had the ship’s conn, as we’d see on the bridge near the episode’s climax, but who was in charge of the remaining delegates and the rest of the diplomatic mission? And how far did Rhys’ authority extend? Would he, for example, have been authorised to fire upon Unknown Species 10-C if time began to run out for Earth? Taking both the captain and first officer on this mission – when other experts were available – is a bit of an odd choice, and while of course as the audience we want to see our familiar characters leading the charge, it again makes the addition of some of these other delegates and experts feel like a bit of a waste.

The interior of Unknown Species 10-C’s pod.

A longer episode – or a story which had arrived at the hyperfield earlier in the season – could have spent longer on the whole first contact thing, and I really think that would have been worth doing. I’m actually getting a bit of a familiar feeling the more I think about Species Ten-C: it reminds me of the finale of Picard Season 1 in the sense that the season dawdled a lot to get to this point, and it feels like there’s a lot of important story points left to get through with very little time remaining. As a result, some aren’t being given as much attention or screen time as they probably should receive. We aren’t at the same level as Et in Arcadia Ego – at least, not yet. But suffice to say that Season 4 as a whole has left its final episode with a lot of work to do to wrap up all of the major stories in a satisfying way.

There were a few very close-up shots of characters’ faces that made the cinematography in Species Ten-C feel a bit odd. Close-ups can work and can be dramatic, but their use here felt rather gratuitous, with the episode both beginning and ending with them in a way that made it feel like the director was throwing everything at the wall in an attempt to make things seem even more dramatic. As I’ve said on several occasions this season when discussing certain narrative choices, Discovery is already a series that brings plenty of drama to the table – trying to take it from a ten to an eleven can sometimes fall flat, and a few of these extreme close-ups definitely strayed very close to the line.

Was there any need for so many close-up shots?

Book saw some significant character development this week after several episodes in which he felt very static. Although Tarka’s motivation for continuing to pursue the DMA’s power source feels pretty well-established by this point in the story, I’ve been finding it increasingly difficult to reconcile Book’s presence on this side of the story in the aftermath of the failure of the isolytic weapon back in Rubicon. We hadn’t seen or heard enough from Book since that dramatic event to signal that he’s still on board with the next phase of Tarka’s plan – and this week he actually seems to have moved much closer to Burnham’s position.

Book’s cause is noble: he wants to stop the DMA from hurting anyone else in the way it destroyed his home and hurt him. And seen in that context, his decision to get on board with Tarka’s weapon plan was understandable. In Rubicon, Book indicated he would be willing to stand down for a short time to give diplomacy a chance to play out, and in the aftermath of the failure of the weapon, it wasn’t clear at all why he continued to follow Tarka. I’m still not exactly sure how he arrived at this point – was he motivated by fear of repercussions for the use of the weapon? Did he still believe it would be possible to destroy it after Tarka failed once? If so, is he now no longer willing to let Captain Burnham try for a diplomatic solution first?

Book in Species Ten-C.

These points were glossed over in Species Ten-C, but we finally got some movement from Book, arguably bringing him back into the fold as one of the “good guys.” It emerged that Tarka’s plan would destroy the DMA, destroy Earth, and destroy the hyperfield containing Unknown Species 10-C and the USS Discovery – so Book didn’t really have a choice! Again, this is Discovery pushing the story to extremes, and it feels as though Book coming back to the light is more of a necessity than a choice at this point. Still, it worked, and for the first time in several episodes I felt like I could relate to Book as a fully-rounded character again, not just a plot device caught up in the narrative wake of other characters with more volition.

There’s even a message in Book’s story, if we look a little deeper. The idea that grief can lead someone to a very dark place was already something we’d seen explored a little with Book earlier in the season, but now we can add into the mix themes of manipulation, of being lied to, and of getting involved with someone untrustworthy. It was initially grief that saw Book teaming up with Tarka, but he also had the noble objective of wanting to prevent others from having to experience that same level of grief. Unfortunately for Book, he relied on someone who turned out to be unworthy of his trust – and that’s how he ended up in this particular predicament.

Grief led Book down a dark path.

Reno saw her best scenes of the entire season on this side of the story, too. We’ll have to try to excuse the lousy “kidnapping” plot last week, because as weak and difficult to explain as that may have been, it ended up going somewhere significant. It didn’t necessarily have to be Reno as the one to reach out to Book – basically anyone on board the ship could’ve done so – but it was interesting to see her in this situation. Her words managed to reach him in a way that even Captain Burnham hadn’t been able to, and the sequences between the two of them worked exceptionally well.

Reno has often been used as a light-hearted character, bringing moments of deadpan comic relief that could lead to brighter moments in otherwise dark stories. This time, her role harkened back to her introduction in Season 2 – which was also referenced this week – when we first encountered her trapped aboard a crashed starship. A more serious performance from a comedic character carried a surprising amount of weight, and perhaps it’s because we know how Reno usually behaves and speaks that her words to Book meant a lot.

This was Reno’s best episode of the season.

For at least the past three episodes, Discovery seems to have been building up to a conclusion which is going to say something like: “if only Tarka and Book had told Captain Burnham what they were doing! It should have been possible for everyone to get what they want through diplomacy and communication!” and I don’t think that’s changed. It isn’t exactly formulaic, and there are still big questions about what Unknown Species 10-C will do and how Captain Burnham will respond to try to cool things down in the time that remains. But one way or another, the story’s going to get to that place.

As we approach the end of the season, feeling like we know roughly where the story is going to go was to be expected, I guess! And on its own merits, Species Ten-C was a good episode, one of the better offerings from Season 4 for certain. Whether it has moved things along far enough for the season finale to wrap up all of the remaining narrative threads is an open question, one we’ll have to wait until next week to get an answer for.

Book’s ship escaped the USS Discovery and entered the hyperfield.

Although I had some nitpicks within the story, overall I had a good time this week. Species Ten-C told a very “Star Trek” story, with perhaps some inspiration from the film Arrival in there too! Meeting a brand-new alien race and learning how to communicate is something truly interesting, and my biggest complaint is that I would have liked to have seen more of it – for the season to have reached this point a couple of episodes ago so we could have spent longer with Captain Burnham, Saru, President Rillak, and Dr Hirai as they worked on figuring out how to use a complex arrangement of lights and pheromones to communicate. It was nice to see some significant movement from Book, too, after several uninteresting or flat episodes on that side of the story.

Did Season 4 need to turn Tarka into a villain? I think that could be a question for a longer essay once the season has wrapped up! I could certainly entertain the argument that the Unknown Species 10-C story – one of misunderstanding, communication, and first contact – was strong enough to carry both this episode and the bulk of the season without requiring this kind of last-minute character twist. Between the DMA and the smaller character moments – some of which, as noted last week, haven’t been as thoroughly explored as they could have been – maybe it would have been better overall to find a different way to include Tarka. But we’ll talk about that more in the weeks ahead, perhaps.

For now, there’s only one episode remaining! This time next week it’ll be all over… or will it? Could a cliffhanger ending be on the cards?

Star Trek: Discovery Season 4 is available to stream now on Paramount+ in the United States, Scandinavia, Latin America, and Australia. The show is on Pluto TV in the UK, France, Germany, Italy, and other parts of Western Europe at 9pm on Fridays and Saturdays. Individual episodes or the full season can be purchased on iTunes, Amazon Video, Google Play, and possibly other platforms in the UK, parts of Europe, and select other countries. The Star Trek franchise – including Discovery and all other properties mentioned above – is the copyright of Paramount Global. This article contains the thoughts and opinions of one person only and is not intended to cause any offence.

Star Trek: Discovery review – Season 4, Episode 11: Rosetta

Spoiler Warning: There are spoilers ahead for Star Trek: Discovery Seasons 1-4.

Last week’s episode, The Galactic Barrier, was absolutely fantastic – one of the highlights of the season for certain! Unfortunately Rosetta didn’t reach that high bar, and was an episode that felt like it was dragging its feet. While there were some emotional character moments, even those weren’t as strong as they might’ve been and couldn’t salvage an episode in which both halves of the story felt contrived, and where a major new element that had been introduced to the story last week constantly got in the way. Rosetta plodded along, constantly tripping over one big, unnecessary narrative cliché.

I like the idea of Discovery stepping away from total serialisation to go on away missions to planets like the one featured in Rosetta. As we saw just last week – and on a couple of occasions earlier in the season – those semi-standalone stories can work exceptionally well, blending together Discovery’s modern serialised approach to storytelling with at least some components of Star Trek’s episodic past. But this week, for much of the time all I could feel was a sense that the mission to Unknown Species 10-C’s ex-homeworld was a complete waste of time – not only for the characters, who don’t have so much as a second to waste, but more importantly for us as the audience.

The away team.

The worst part of last week’s episode was the insertion of the horribly overused trope of Earth being in danger. I tried to put that to the back of my mind as Rosetta got started, hoping that the time constraint it had imposed would lead to some kind of interesting or exciting storyline as Season 4 reaches its conclusion. But this cliché absolutely ruined Rosetta – turning a story that might’ve had the kernel of a good idea at its core into one that felt like a complete and utter waste of everybody’s time. With time being a very limited resource for Captain Burnham, that just isn’t something that should have been allowed to happen!

If the “Earth is about to be destroyed” cliché wasn’t part of the season’s story, this feeling would have been far less prominent throughout Rosetta, and I could have almost certainly forgiven another detour on the way to Unknown Species 10-C’s hyperfield. With less of a time constraint, such a mission would arguably be worth doing, and while there could still be naysayers and dissenters among the crew and assembled delegates, I would have been firmly in the camp that says “let’s see if we can find any interesting or useful information about this completely unknown faction.” But because Discovery’s writers wanted to crank up the tension and drama to eleven out of ten, what should have been a decent episode with some interesting story elements didn’t work. Instead of the tension rumbling in the background, spurring me on to make the story feel exciting, I could barely prevent myself from shouting at the series to just get on with it – to go to the hyperfield right now! Tension became frustration.

Captain Burnham chose to lead an away mission to a planet instead of racing to the hyperfield.

Not for the first time, narrative contrivances in Discovery have conspired to make Captain Burnham seem like she’s in the wrong. While not exactly being a complete and utter moron, she came across in the episode’s opening act as misguided in the extreme – wasting time on a mission that could have easily yielded nothing of consequence. As happened in episodes like The Vulcan Hello and The Red Angel, it fell to another character to be the voice of reason against Captain Burnham – in this case, Earth’s representative, General Ndoye.

Ndoye made the very simple point that there isn’t time to waste visiting a random planet, and that attempting to make contact first would be the best move. If Unknown Species 10-C didn’t respond to attempts at communication, visiting the planet could be Plan B – but there’s no way it should’ve been Plan A. Rosetta attempts to rely on the away team’s discovery of pheromone-like hydrocarbon dust to say “aha! Captain Burnham was right all along!” but in my view, all that the end of the episode proved was that she got very lucky. Her judgement, four seasons in, is still questionable at times – and on this occasion, with the stakes so very high, I can’t shake the feeling that she made the wrong call.

General Ndoye became the voice of reason… briefly.

The hydrocarbon pheromones will almost certainly play a role in the next couple of episodes – I mean, they have to, right? Otherwise Rosetta will have proven to be a complete waste of time. But even assuming that’s the case, Captain Burnham took a massive risk by diverting to the planet with hours to spare, and it just feels like – not for the first time this season – there was a very easy “middle ground” approach that neither she nor anyone else seems to have considered.

The USS Discovery is equipped with a contingent of shuttles, so sending one with a small away team to the planet while the rest of the crew takes the ship and visits the hyperfield – instead of sitting in orbit of the planet doing fuck all – would have been the hallowed “middle ground” option that the show’s writers seem to have just ignored. Because Captain Burnham has to be the main focus of practically every episode and every major plotline, other characters in the show are relegated to sitting on their hands and waiting for her latest stroke of brilliance. In this case, everyone with the exception of Detmer, Saru, and Dr Culber were just shoved off-screen, seemingly doing nothing except waiting for Captain Burnham to get back. Adira and Reno even found time to get coffee.

This picture is Rosetta in microcosm: Captain Burnham goes off on an away mission while everyone else stands around doing nothing.

That makes Discovery Season 4 feel like a pretty basic story – one designed for small children who don’t have the attention to focus on more than one major narrative at once. Because Captain Burnham wanted to visit the planet, everyone has to visit the planet. God forbid any other character is granted any agency over the plot or given the volition to do anything independently – they’re not real people, you know, just narrative devices.

And yes, it’s Star Trek. It’s fiction. It’s “just a story” – but god do I hate that tired excuse every time it’s trotted out in defence of contrived, underwhelming, or just plain indefensible narratives. If we’re expected to suspend our disbelief and get lost in the world of Star Trek, even just for an hour, the way characters behave has to make basic sense. The characters themselves have to feel like real people – flesh-and-blood beings with emotions, feelings, and brains, not just plot devices who can be used one moment then placed into hibernation the next. And this week, Rosetta basically sidelined the entire crew, forcing them to sit on their hands and do nothing while Captain Burnham took charge of a pretty barebones side-story that I’m not even sure accomplished all that much.

The away team with a cache of magic dust.

I said earlier that the pheromone hydrocarbons will have to feature in the story in some way later on – and I certainly hope that they will! But as of the end of Rosetta, the mission to Unknown Species 10-C’s ex-planet doesn’t feel as though it achieved very much. Captain Burnham didn’t find anything substantial – and the dust, while narratively interesting, was visually unimpressive to say the least. If there had been something more visually unique or interesting about what the away team recovered – like one of the bones that were briefly seen, a computer core, a stone tablet, or literally anything we as the audience could see, maybe that feeling wouldn’t be so prevalent. But because even the away mission’s big accomplishment was difficult to really perceive, the entire story feels like it’s on far shakier ground than it already was.

If the pheromone hydrocarbons are incorporated into the story of the next couple of episodes in a major way, maybe we’ll revisit Rosetta and consider it a little more favourably in hindsight. There are definitely interesting possibilities with this new narrative element that could be explored or that could be paid off in a big way. But if Discovery doesn’t do something big with the pheromone hydrocarbons before the end of the season, the episode will feel like even more of a waste than it already does.

Will the pheromone dust play a significant enough role in the story to make Rosetta feel like a worthwhile detour?

In past iterations of Star Trek – including in previous episodes and seasons of Discovery – the universal translator has been shown to work pretty well. There are some exceptions – such as the Tamarians – but even then a way across the language barrier was eventually found. With the 900-year time jump to the 32nd Century, it stands to reason that the universal translator has only gotten better as Starfleet has encountered more and more races. Even if we accept the premise that communication has never been successfully made with a species that uses pheromones or chemicals to communicate, doesn’t it seem like it would be worth trying to use the universal translator, especially given the time constraints? With the level of technology that Unknown Species 10-C has been shown to have, they might have some kind of translator or communicator of their own, too.

I know a lot of this must sound like nitpicking, but it all stems from the fact that the show’s writers chose to inject forced drama by using an “Earth is in danger and there’s just hours to save it!” cliché that wasn’t necessary to make this story interesting or exciting. The stakes were high enough, the danger was real enough, and by trying to turn the drama up to eleven, Rosetta tripped over. There was a potentially interesting story about learning more about a very new and different form of life… but it’s one that this cliché has spoiled. Take away the time constraint and many of the narrative complaints on this side of the story would have fallen away.

A holographic depiction of the hyperfield.

Rosetta wasn’t saved by its B-plot, either, with Tarka and Book undertaking an equally nonsensical away mission that also seemed to be based on a very shaky premise. With Captain Burnham’s decision to take an away mission to the planet, my criticism stems from the fact that The Galactic Barrier had introduced the cliché of Earth being threatened meaning that there wasn’t time for a detour. But Book and Tarka’s away mission to the USS Discovery was done because they… wanted to stick Book’s ship to Discovery’s hull? Couldn’t they just remain under cloak and tail the ship? It feels pretty weak, even by the standards of Star Trek technobabble.

We also didn’t get to see any of Book and Tarka’s journey navigating the Galactic Barrier, which is something I was genuinely interested in. A powerful ship like the USS Discovery barely made it through, so how would Book’s glorified runabout survive? We basically got no payoff to Book and Tarka’s side-mission last week of collecting programmable antimatter at the abandoned prison camp. Presumably they were able to successfully apply it and transit the Galactic Barrier – but the episode literally didn’t even pay lip service to that, with their story starting up with Book’s ship already parked a few yards away from the USS Discovery.

Couldn’t Book and Tarka just continue to tail Discovery? Also, how did they make it through the Galactic Barrier?

Given how difficult navigating the Galactic Barrier proved to be for the USS Discovery, it’s a shame that we didn’t get to see Book and Tarka having to tackle that task. Maybe it could’ve been included at the end of last week’s episode – even if it was just a short sequence, Discovery should really have done something to pay off their mission to the prison camp.

It also seems like Book has decided that he and Tarka are fugitives without even trying to make contact and explain what happened. The end of Rubicon suggested that there might be a pathway to reconciliation for him and Michael, but he has done nothing to attempt to pursue that – except for creepily spying on her in what has to be one of the most uncomfortable moments in the entire episode. Book signalled his willingness to stand down and give peace a chance; it was only Tarka’s actions that led to the weapon being detonated. With Captain Burnham on his side to advocate for him, you’d think he’d know that he has a good chance of not getting into serious trouble – and he could even be a valuable asset to Starfleet, sharing his knowledge of Tarka and his plans.

Did anyone else find this moment of Book spying on Burnham a little creepy? Cool camera shot, though…

This continues a trend of Book having been fairly static for several episodes now, having gone through several stages of grief for Kwejian and his family before seeming to just… stop. In the first half of the season, Book got some of the most deeply emotional moments in the show, and seeing how grief was leading him down a dark path was a potentially interesting story, but it’s one that Discovery hasn’t really been able to successfully elaborate on. Like most of the rest of the characters, Book has been relegated to a supporting role, and that means he doesn’t really get much agency over the story any more. He’s stuck following Tarka just like everyone else is stuck following Burnham. If we’d heard anything from him to indicate that he was still committed to that cause, maybe it wouldn’t feel so silly. But right now, Book feels like a follower; a passive character caught in Tarka’s narrative wake.

So I’m not going to nitpick things like needing to physically board the ship to install a macguffin into the macguffin network. That’s Star Trek-ish enough to be inoffensive. But the setup that led Book and Tarka to that point felt very contrived, and it wasn’t sufficiently explained as to why they couldn’t just continue to tail Discovery all the way to – and perhaps inside – the hyperfield. It also wasn’t explained why everyone keeps assuming that the hyperfield will be impenetrable – they haven’t even tried to approach it, and if Unknown Species 10-C are as advanced as we think they are, surely they’d see a spaceship coming and investigate. Book and Tarka’s quest this week seems like an unnecessarily involved stealth mission that had the potential to lead to moments of either extreme drama or perhaps even comedy, with the two fugitives sneaking on board the ship, but it ultimately didn’t deliver much of either.

Book and Tarka managed to sneak aboard Discovery.

Bringing General Ndoye into the Book-Tarka side of the story is, again, something that we’ll have to watch and see whether it leads to a significant payoff. Right now it feels like it could go either way, and although I would argue that Ndoye had been the voice of reason earlier in the episode with Captain Burnham, I’m not wild about her becoming a kind of double-agent in this conspiracy.

Two of the big thematic elements of Seasons 3 and 4 have been connection and communication – and it seems like the series is now building to a conclusion which will say something like “if only Book and Tarka had worked with Captain Burnham, everyone could have got what they wanted.” If Book and Tarka would share why Tarka wants the power source, maybe Captain Burnham could work with him – or find an alternative way for him to travel between universes, such as the Guardian of Forever that we saw last season. And if Captain Burnham could find a way to compromise with Book, their whole relationship feud could be solved. A story about how division and failing to communicate can lead to problems can be a powerful one, but it’ll need to be executed a damn sight better than it was in Rosetta. Here, the two disconnected stories just chafed against each other in the most frustrating way.

Book and Tarka at the end of the episode.

The CGI work for Unknown Species 10-C’s planet was good, and although it was only seen very briefly and not really explained, I liked the “Dyson rings” seen orbiting their star. Presumably Discovery scanned the rings off-screen and determined there’s nothing worth looking for there… although that would have been nice to get confirmation of, otherwise the rings seem a good target for an away mission of this nature as well.

The filming location for the outdoor sections of the away mission looked very familiar; I’m sure it was seen either earlier in Season 4 or perhaps in Season 3. In an interview for The Ready Room a few weeks ago, Mary Wiseman mentioned a quarry in the Toronto area that has been used for several outdoor shoots, which could be why it’s so familiar. Slapping a yellow filter on it in post-production didn’t really do much to disguise it, and with the new AR wall that Paramount invested a fair amount of money in, I’m left wondering why the Star Trek franchise keeps walking headfirst into this particular mistake. The AR wall was used to great effect to depict the interior of the Unknown Species 10-C base… so why not the exterior as well?

The away team.

The crew’s EV suit malfunction is also a bit of a contrivance. Aren’t protective suits meant to protect against everything in the environment, especially things that are new or haven’t been encountered before? This is another nitpick, I guess, but I didn’t like the way that this was just hand-waved away by half a line of dialogue. “Oh, I guess the EV suits don’t protect against substances that aren’t in the Federation database and are very different.” That just seems like an odd way to explain it. And if we want to keep nitpicking, that dust looked like it was everywhere – floating in the air as well as lying on the ground and on surfaces. So how did Detmer not get exposed when everyone else did?

After making the decision to waste time on an away mission that, realistically, she must’ve known had the possibility of failure, Captain Burnham came across as incredibly stubborn shortly before the crew encountered the 10-C nursery. Partly this was triggered by a reaction to the hydrocarbons, I guess, but coming after I found her decision to go on the mission in the first place difficult to justify, stubbornly doubling-down on it when it seemed as though there wasn’t anything to find wasn’t a great look for her character.

Captain Burnham during the away mission.

So have we just nitpicked Rosetta to death?

There were interesting and clever concepts buried here, and there were some nice but unspectacular character moments between Dr Culber and Captain Burnham, Tarka and Book, and to a lesser extent between Reno and Adira and Detmer and Adira too. Some fans argue that Discovery is all about its characters and that the sci-fi trappings should just be seen as a backdrop, with any contrivances and plot complaints waved away because of how well-done some of these character moments can be. I don’t agree with that – if you want character drama, go and watch a soap or some scripted reality show. Star Trek is science fiction, so at the very least the sci-fi side of the story has to be basically competent and good enough to keep my suspension of disbelief going.

Because of how Rosetta sidelined many of the other characters and didn’t actually spend that much time on these interpersonal moments, I would argue that it wasn’t even a particularly impressive episode on the character side of things, either. The moment between Dr Culber and Captain Burnham came in two parts – one during the away mission and one at the end in her ready-room. But it lasted all of two minutes, maybe, and that just isn’t enough time to do justice to a complicated mental health story.

Counselling for the counsellor.

Dr Culber’s storyline feels like it’s retreading the Detmer path from Season 3. We’ve had a few short scenes spread across a handful of episodes to explain in the most basic of ways how he feels overwhelmed, stressed, and/or unable to cope with his work and the situation he’s found himself in. His moment admitting to Captain Burnham that he isn’t okay should have been the culmination of this season-long character arc… but it’s an arc that feels so underdeveloped that, despite the beautiful performance by Wilson Cruz, I’m struggling to buy it. The story of a counsellor – someone working as a mental health professional – needing to seek help for their own struggles is a noble one, and one absolutely worth telling, but it’s also a story that Discovery is not doing justice to as things stand.

I’ve been a big advocate for better mental health representation in all forms of media, but I’m unfortunately in the position of having to say that if the series can’t do justice to stories like this I’d honestly rather that it skipped them altogether. It feels like Discovery is doing little more than paying lip service to a serious topic, one that’s clearly too big for the limited time and attention that the show is willing to dedicate to it.

Captain Burnham and Dr Culber during the away mission.

Returning to Detmer, last season she got a storyline about post-traumatic stress that was referenced in Rosetta. But like Dr Culber’s story of dealing with his struggles this season, it wasn’t fleshed out enough to be meaningful. She had a few scenes spread across a handful of episodes, then seemed to magically “get better.” It’s only now, a full season later, that we even heard about her getting help or treatment for PTSD.

In Rosetta, Discovery also continued a disappointing trend of ham-fistedly inserting blatantly expository dialogue that the writers sometimes use as a substitute for actual character development. In this case, Detmer remembered something about her father mistreating her that could have been significant, but it was treated as an afterthought by a script that had its attention firmly focused elsewhere. Emily Coutts did well with the material she had, and put in a decent performance – but the material was barebones to say the least.

Lieutenant Commander Detmer.

Saru’s panic attack was one of the more interesting moments of characterisation, and if I were to single out one performance and one strong element from Rosetta it would be the way Doug Jones conveyed Saru’s terror during these sequences. We’ll have to set aside questions of why Captain Burnham didn’t immediately send him back to the shuttle, but if we can ignore contrivances like that, Saru really sold me on his panic attack. As someone who has had panic attacks myself – thankfully infrequently – I found the depiction of Saru in these moments very relatable.

We got a bit of a pep talk between Reno and Adira; two characters who don’t feel like a natural pair but who worked well together this time. Adira has adopted much of the awkwardness of Season 1 Tilly, and that “young, inexperienced, and nervous” character type is a good counterbalance to some of the show’s older and more established characters. Reno was deadpan as ever, but none of her lines this week were laugh-out-loud funny; while her scenes brought some much-needed levity to the story, they didn’t exactly blow me away.

Reno with Adira.

Finally, we come to Dr Hirai. For the second episode running – and he’s only been in two episodes so far – he felt very underused. There was a brief scene between him and President Rillak in which she rebuked him for his bluntness, but that was it. Perhaps that was deserved, but as we’ve spent such a minuscule amount of time with this character, it just felt like an unnecessary addition. If Dr Hirai was going to be featured in a scene this week, why not show him working or doing something that could contribute to the story? Just because everyone aboard Discovery was sitting around waiting for Burnham to get back that doesn’t mean he couldn’t have found something useful to do.

Again, Dr Hirai is someone who could have a bigger role to play before the season ends. But his two appearances so far in Rosetta and in The Galactic Barrier have felt like fluff; a potentially-interesting character about whom we know nothing of consequence. If he is going to have something significant to do in the next couple of episodes, we need to start seeing more from him very soon – otherwise he risks feeling rather flat.

Dr Hirai.

So that was Rosetta, I guess. Not the season’s high-water mark, unfortunately.

At the core of the episode there was an interesting idea, and the notion of Unknown Species 10-C being difficult to communicate with is a concept that could still work – if it’s properly executed in the two episodes that remain. But because The Galactic Barrier added an unnecessary time constraint to Captain Burnham’s mission, this side-quest felt more frustrating than exciting; I wanted to shout at Captain Burnham – and at Discovery’s writers – to just get on with the main story.

There were more than enough smaller narrative threads to pick at to unravel the episode’s entire story. Both the A- and B-plots were disappointing, and even where Discovery has been successful in the past – with moments of characterisation and communication – I was underwhelmed by what Rosetta had to offer. As we approach the final two episodes of the season, there’s a lot of work left to do to pull out a decent ending to this rather plodding story.

Star Trek: Discovery Season 4 is available to stream now on Paramount+ in the United States, Scandinavia, Latin America, and Australia. The show is on Pluto TV in the UK, France, Germany, Italy, and other parts of Western Europe at 9pm on Fridays and Saturdays. Individual episodes or the full season can be purchased on iTunes, Amazon Video, Google Play, and possibly other platforms in the UK, parts of Europe, and select other countries. The Star Trek franchise – including Discovery and all other properties mentioned above – is the copyright of Paramount Global. This article contains the thoughts and opinions of one person only and is not intended to cause any offence.

Star Trek: Discovery theories – week 9

Spoiler Warning: There are spoilers ahead for Star Trek: Discovery Season 1-4, Star Trek: Picard Season 1, and for other iterations of the Star Trek franchise.

After All In failed to move the needle in a major way, Rubicon came along! The latest episode saw a minor theory cull, with three theories being debunked – and a couple of others moving ever closer to being struck off the list! As the season builds up to its conclusion, this was bound to start happening, and I don’t lament the passing of any of the theories that didn’t pan out. We also had a rare confirmation this week, and with fewer new theories to talk about, the list will shrink for the first time in several weeks!

On reflection, perhaps I was a little harsh on Rubicon in my review. The episode was decent, but it suffered because I find myself struggling to get invested in the Book-versus-Burnham relationship squabble storyline, and that’s been a dominant force over the past couple of episodes in particular. I’m still hopeful that Discovery will find a sensible – and fairly quick – resolution to this, but at the same time I think I need to try to be less petty about it!

So let’s take a look at the confirmation and the debunkings before we jump into the main list.

Confirmed theory:
Tarka’s weapon will be successful.

Kaboom!

The obvious path for a “happily ever after” kind of story would have been for Captain Burnham and the crew to stop Book and Tarka before they had a chance to use their weapon. And, to her credit, Captain Burnham was inches away from success as she managed to talk to Book and convince him not to deploy the weapon.

But I guess that in her haste to patch things up with her boyfriend, Captain Burnham forgot about Tarka. And Book likewise didn’t make sure that Tarka was on board with his decision to wait for the communication attempt, as Tarka launched his weapon the second Book and Burnham finished their conversation.

Tarka launched his weapon.

I’m glad that the story took this route. It potentially opens up a more interesting meeting with Unknown Species 10-C, one with more tension and the possibility of conflict. But most importantly, Tarka remained true to his characterisation. He didn’t back down just because Book had a change of heart, and he wasn’t able to be persuaded by Captain Burnham’s request.

Tarka remains an interesting adversary. I don’t want to call him a “villain,” not exactly. He has a complexity and a nuance that makes his motivation understandable, even if his “ends justify the means” approach could very well lead to people getting hurt. I’m not ready for Discovery to get rid of Tarka… and I confess that I’m still rooting for him to find a way across the divide between universes.

So that theory was confirmed.

We also have several debunkings to get through, so we’ll run through those next!

Debunked theory #1:
Nhan works for Section 31.

Nhan in Rubicon.

This was a fairly straightforward one by my standards! When we saw Nhan in the promos for Rubicon, I theorised that she might be wearing a different uniform to the standard Starfleet ones worn by Captain Burnham and the crew because she had been recruited by Section 31. She could have been given a Section 31 mission aboard Discovery – perhaps connected to the DMA.

But it didn’t come to pass! Nhan works for Starfleet Security, and has spent some time as a soldier helping the Federation battle against the remaining forces of the Emerald Chain. She doesn’t appear to be making a big return to Discovery, either, merely appearing in a guest role in Rubicon.

Debunked theory #2:
Tarka will realise that there’s a tracker on the isolynium.

Tarka and Book working on the isolytic weapon.

This was another fairly simple one by my standards. In short, I speculated that Tarka would check the isolynium that Book procured and figure out that a tracking device had been placed on it. It seems like the kind of thing he might’ve done; he’s been thorough when it comes to his work, and he clearly didn’t fully trust Haz Mazaro.

But Tarka didn’t check, or if he did off-screen he didn’t find the small tracking device that Captain Burnham had placed. If this theory had panned out we could’ve seen Captain Burnham and the crew having to pick up the trail another way, or even being led into a booby-trap of Tarka’s devising! In a longer season, perhaps such a detour would have made sense. With only four episodes left, I guess wasting an episode chasing down Book and Tarka would’ve been extraneous fluff.

(Probably) debunked theory #3:
The DMA is (or was) a life-form.

The DMA in Rubicon.

It was never stated outright in clear-cut terms, but this theory now feels sufficiently unlikely that I’m striking it from the list. If the DMA was alive… it isn’t anymore! Tarka’s weapon saw to that. The arrival of a second DMA within moments of the demise of the first seems to confirm that the destructive anomaly is little more than a tool; the dredge or mining equipment that Captain Burnham and others figured out at the end of All In.

Unknown Species 10-C could still be a synthetic race, so the concept of a life-form on the scale of the DMA is still plausible in Discovery Season 4. But the DMA itself now seems certain to be little more than a tool – whoever is controlling it is the sentient one. It might’ve been interesting if the DMA had been alive, with a story similar to The Motion Picture perhaps unfolding from that premise. But now we must look to Unknown Species 10-C!

So those theories have been debunked!

Now let’s jump into the main theory list, beginning with those theories that are either new or saw movement in Rubicon. Then we’ll conclude with a few theories that are still in play, but which Rubicon didn’t touch.

Theory #1:
Unknown Species 10-C built the Galactic Barrier.

The USS Enterprise approaching the galactic barrier.

I’ve never been wild about the Galactic Barrier in Star Trek. It’s something that dates right back to the very beginning of The Original Series, but it’s always struck me as a bit of an oddity; an element of pure fantasy in a setting that prefers to base its astronomy on real science. The Galactic Barrier is also rather poorly explained, and can seemingly be ignored at the whim of Star Trek’s writers – some episodes depict crossing it as being impossible, others show starships moving through it with ease. It also feels like a 2D anachronism in the 3D realm; unless the galactic barrier is a sphere, surely flying up and over it should be possible!

But maybe we’re about to learn more about this strange phenomenon. Given their technological capabilities, it doesn’t seem impossible that Unknown Species 10-C constructed the Galactic Barrier – perhaps as a way to shield themselves from the races of the Milky Way, or perhaps to keep anyone from exploring too far and discovering their location. There are many reasons why a technologically advanced race might want to build something on this scale – and we could even learn that the harvested boronite is being used to fuel the Galactic Barrier itself.

The Enterprise-D is one of a number of vessels known to have passed through the Galactic Barrier.

One possible explanation for why Unknown Species 10-C might want to build something like the Galactic Barrier is to keep the Milky Way’s inhabitants in… but it could also be a shield designed to keep someone else out. That raises a very frightening question: what could be so powerful that a barrier is needed around the entire galaxy? And what could be so dangerous that being locked inside a galaxy with the Borg would be preferable?

With Unknown Species 10-C seemingly being very secretive, I think the idea of them building it to shield themselves is more likely… but there are definitely a lot of ways this theory could go!

Theory #2:
Someone else built the Galactic Barrier to keep Unknown Species 10-C out.

The Galactic Barrier on the USS Enterprise’s viewscreen.

If the Galactic Barrier is an artificial construct, perhaps it was created by another race or faction as a shield against Unknown Species 10-C. It could be the case that Unknown Species 10-C has used DMA technology against the Milky Way in the distant past, and some other race or faction constructed the Galactic Barrier to keep them out. If Unknown Species 10-C are belligerent and interested in conquest, it might take something on a galactic scale to keep the Milky Way safe.

The Q Continuum spring to mind as a possible candidate if the Galactic Barrier was artificially created. Admiral Vance mentioned the Q a few episodes back, saying that there hadn’t been any contact for more than 600 years. Given that the Q – or at least one member of the Continuum, at least – were very interested in the progress of races like humanity, perhaps they took a decision to “seal” the Milky Way to protect its inhabitants from Unknown Species 10-C.

Traversing the Galactic Barrier could be very dangerous…

Obviously this theory and the one above can’t both be right! And it’s a distinct possibility that the Galactic Barrier element of the story is just a convenient macguffin to blind Starfleet to Unknown Species 10-C and prevent easy travel to their region of space, dragging out the story and prolonging attempts at communication so other narrative threads could play out.

If that’s the case, we may learn nothing about the Galactic Barrier in the episodes that lie ahead! However, I still think it’s interesting to consider the possibilities, and it could be fun to finally get some more detail on this lesser-known but significant aspect of the Star Trek galaxy.

Theory #3:
Tarka’s mysterious “friend” is someone we’re already acquainted with.

At this point in the story, there’s no need to conceal the identity of Tarka’s friend – unless the revelation of this person’s identity is going to be a huge surprise. It’s possible that there is no Unknown Species 10-C, for example, and that Tarka’s friend is the one responsible – a theory we’ll look at in more detail in a moment! But it has to be considered a possibility that Tarka’s friend is someone we’ve already met, either in Discovery or in another iteration of Star Trek.

Rubicon hammered home Tarka’s desperation to reach his friend, and All In had given us a quote from Tarka about his grief at this person’s loss being unfathomable. Perhaps that was hyperbole on the part of someone very self-centred, but even so it feels like there’s more going on with this mysterious character. If there’s nothing special about them, and they’re just a brand-new character called something like Albert or Gladys, then why go to such trouble to keep their identity hidden during every conversation? It’s setting up a mystery – and for Discovery’s sake I sincerely hope it goes somewhere!

I put together a short list of possible candidates for being Tarka’s mysterious friend, and you can find it by clicking or tapping here.

Theory #4:
Unknown Species 10-C is a faction from a past iteration of Star Trek.

Could Unknown Species 10-C be the Kelvan Empire?

Rubicon didn’t do much to advance this theory – though the DMA controller seemed to bear a very superficial resemblance to omega molecules and possibly Borg tech – but comments from Discovery’s showrunner during a social media event may indicate that this theory isn’t going to pan out, despite the mysterious elements and references to past Star Trek shows scattered throughout the season. In short, Michelle Paradise spoke about “designing” Unknown Species 10-C and how they’re “unlike any species we’ve seen before.”

It’s still possible that we’re dealing with a faction like Picard Season 1’s super-synths, who were only seen on screen very briefly, or an extensive redesign of a race like the Borg to reflect centuries’ worth of technological progress. But I felt it was worth bringing this up, as it’s certainly our biggest indication to date that Unknown Species 10-C may be someone brand-new to the franchise.

Showrunner Michelle Paradise recently dropped a hint about Unknown Species 10-C.

I said last time that I was beginning to get a sense of déjà vu. Many of the suspects for Unknown Species 10-C also felt like plausible culprits for the Burn in Season 3 – and the way that storyline ultimately wrapped up was unpredictable (to say the least). As Trekkies who are invested in this fictional setting, I think there’s always going to be a desire to speculate and theorise about how big events in new stories could be connected to the elements from elsewhere in the franchise… I just hope that the ultimate reveal of Unknown Species 10-C doesn’t prove too disappointing if it has nothing to do with Star Trek’s past.

All that being said, there are still some plausible suspects, even if the DMA’s level of technology would seem to rule out many familiar races. The Borg, Enterprise’s Sphere-Builders, the extragalactic Kelvan Empire, V’Ger, Species 8472, the Q Continuum, and the Terran Empire are all high on my list! For a more detailed look at them, as well as a few less-likely contenders, check out my full list by clicking or tapping here.

Theory #5:
Book and Burnham will reconcile and get back together.

Book and Burnham are currently separated.

Although I may have been excessively critical of it at points in this week’s review, I maintain that the Book-versus-Burnham conflict isn’t one that the show needs. It’s built on very weak foundations, with both of them (and everyone else on the show) needing to be incredibly blinkered (or incredibly stupid) and not being able to recognise a very basic pathway to the “middle ground” that became the focus of Rubicon’s story.

We saw a big step toward reconciliation – at least on Book’s part – in Rubicon, when he agreed to stand down and give Burnham and Starfleet a week to attempt to make peaceful first contact and convince Unknown Species 10-C to deactivate the DMA. Book was willing to take a risk by trusting that Burnham would permit him and Tarka to go ahead with their plan at a later time… whether she would or not is unclear!

Book and Burnham in All In.

So that’s a positive step. With the detonation of Tarka’s weapon, the story could go in one of two ways from here: either Starfleet will let them off the hook, with the debate over the weapon rendered moot by the arrival of a second DMA, or Book and Tarka will have to go on the run to avoid the consequences of their actions.

I would suggest that Tarka is a valuable asset to Starfleet, and they may want to bring him back into the fold to help work on the DMA problem, the Galactic Barrier problem, and other things. Book is far less important in that regard, but as he’d indicated his willingness to stand down he may not be in as much trouble. There’s a pathway here to bring an end to this feud – and I hope Discovery takes it in the next week or two.

Theory #6:
Michael Burnham won’t remain captain of the USS Discovery.

Captain Burnham in Rubicon.

One potential way to pay off the Book-versus-Burnham storyline would be for it to lead to a significant change for Discovery’s captain. We saw in Rubicon that Burnham was unwilling to give the order that could have hurt or killed Book – even though she had been ordered to do so by Starfleet. This fundamental conflict between her romantic relationship and her duty is not new, and could potentially lead to Burnham stepping back from her role as captain of the ship.

Maybe she will have the strength to do what she believes is right during the DMA crisis, but will resign afterwards, unable to contemplate doing the same thing again and wanting to return to her simpler life with Book. This wouldn’t be a bolt from the blue, as we saw her wrangling with these feelings in Season 3.

In Season 3, Burnham had to consider whether remaining in Starfleet was right for her.

One of the unique aspects of Discovery within Star Trek’s broader canon is that the ship has been commanded by four very different individuals across its four seasons. Captain Burnham is different from Saru, Saru was different from Pike, and Pike, in turn, was different from Lorca. It has to be considered at least a possibility that the series will continue this trend.

I’m not really in favour of this, but it’s certainly interesting to consider. Now that we know that Season 5 is definitely happening, one possibility is that Captain Burnham will somehow leave the ship at or around the end of Season 4, making way for a brand-new commanding officer to take over. Because she’s been the show’s protagonist since Season 1, it seems unlikely, and the overall arc of Discovery between Season 1 and Season 3 can be read as Burnham’s redemption and ascent to the captaincy. But the show’s revolving door of captains may continue, and her conflict with Book and the difficult emotional situation it put her in could be the trigger to make this happen.

Theory #7:
Tarka will create his own DMA.

Tarka, Stamets, and Saru with the DMA model.

In The Examples, we saw Tarka – aided by Stamets – building a scale model of the DMA. Now that his plan to destroy it and seize its controller has failed, perhaps he’ll attempt to recreate the device using the knowledge he acquired. If so, he could inadvertently create a new DMA. Or, through time travel shenanigans, Tarka could turn out to be the creator of the original DMA!

Tarka’s story isn’t finished yet, and there’s still time for him to devise and enact a new plan over the course of the next few episodes. He had plans for using the DMA controller, so the next-best thing from his point of view might be to build his own version. He’s certainly clever enough – all he really needs is access to the resources to pull it off.

Theory #8:
Tarka’s friend built the DMA.

The second DMA in Rubicon.

As mentioned above, I think it’s a possibility that Tarka’s friend is directly involved with the DMA. It would explain how Tarka seems to know so much about it, even being able to recreate it on a smaller scale, as well as how he knows that it would be possible to use its power source to punch through to an alternate universe.

After all of the buildup, it’s possible that Unknown Species 10-C could turn out to be a single person: Tarka’s friend. It’s also possible that Tarka’s friend is working with Unknown Species 10-C, perhaps trying to find a way to reach Tarka across the divide between universes. There are a lot of different ways that this could pan out!

So those theories are new or saw movement this week.

Now, as I do every week, I’ll recap all of the other theories currently in play. I find it helps to keep everything in one place – it makes it easier to keep track of every theory so we can strike them off the list as we go!

Theory #9:
We haven’t seen the last of the Abronians.

I currently have four ideas for different ways that the Abronians – the non-humanoid race that Captain Burnham, Tilly, and the Qowat Milat helped save from cryo-sleep in the episode Choose To Live – could play a further role in Season 4.

Theory #9-A:
The Abronians’ homeworld was destroyed by the DMA.

Captain Burnham believes this image depicts a “supernova.”

After arriving at the Abronians’ cryo-ship, Captain Burnham found a stone carving that seemed to depict the destruction of the Abronians’ homeworld. This carving was only shown on screen briefly, but it seemed to show the planet being damaged or destroyed in a large explosion. Burnham credited the planet’s destruction to a “supernova,” and the story then raced ahead.

Considering that the main thrust of the season so far has been about the DMA, perhaps Burnham was incorrect: the Abronian homeworld was destroyed by the anomaly, not a supernova.

Theory #9-B:
The Abronians’ homeworld was on the other side of the DMA.

Abronian stasis pods.

Now that we know a little more about how the DMA works, this theory seems a little more plausible. Its powerful wormhole technology seems capable of transporting matter over many light-years, meaning it doesn’t seem to be a complete stretch to think that the Abronians may have originated in the vicinity of Unknown Species 10-C. They could even be Unknown Species 10-C!

One thing struck me as odd about the Abronians: the Federation was entirely unaware of them, despite the Abronian cryo-ship being relatively close to Federation space – such that Captain Burnham could reach it using Book’s ship in a short span of time. It’s possible that the Abronians had been asleep for millennia, unnoticed by the Federation and the wider galaxy for all that time. But it’s also at least possible that their cryo-ship is a newcomer to the area. If so, perhaps it arrived here via the DMA.

Theory #9-C:
The Abronians will return to help the Federation later in the season.

A deceased Abronian.

One of the themes of Discovery since Season 3 has been connection, including building connections between the Federation and other races and organisations. The Abronians were awoken from cryo-sleep thanks to the interventions of Captain Burnham and Tilly – at least in part – and they may seek to repay the Federation, or Captain Burnham personally, for that help.

We saw this play out last season with Ni’Var; in the season finale Ni’Var ships raced to the Federation’s aid as the Emerald Chain attacked. Perhaps the Abronians will likewise step up to help when the Federation needs allies.

Theory #9-D:
The Abronians’ moon-ship may be useful in a later story.

“That’s no moon…”

The Abronians’ cryo-ship is huge, and at least superficially seems to have the mass of a moon or small planetoid. If Captain Burnham and the crew needed a starship that large, such as to aid in the evacuation of a planet threatened by the DMA, for example, perhaps they’ll return to the Abronians and ask to borrow it.

As we saw in Choose To Live, the moon-ship was in full working order. All it needed was some extra dilithium to power up and it was perfectly capable of moving under its own power, and its computer systems were still functional. The only system that seemed to have failed was the wake-up timer! Discovery has precedent when it comes to telling seemingly one-off stories that have a pay-off later on, so watch this space. If Captain Burnham and the crew need a huge starship urgently, we may not have seen the last of the moon-ship!

Theory #10:
The Red Angel suits from Season 2 are connected to the DMA.

A Red Angel suit in Season 2.

Unknown Species 10-C seem to be responsible for building the DMA… whoever they ultimately turn out to be! But the DMA isn’t the first wormhole-creating technology that Discovery has introduced us to. The Red Angel suits in Season 2 were also capable of creating powerful wormholes… so could it be possible that Unknown Species 10-C built their device around or based on the same technology?

This revelation would greatly affect Captain Burnham, as she’d feel a degree of responsibility even though she wasn’t directly involved. It would also be the second disaster in a row (following the Burn) in which the Federation was implicated – albeit in an oblique way. I’m not convinced that Discovery will go down this route… but the similarities in the wormhole-creating technology gives me pause, at least.

Theory #11:
Saru will be given the captaincy of the USS Voyager-J.

Captain Saru in command… of a shuttle!

Saru’s future was briefly discussed before he offered to serve as Captain Burnham’s first officer in the episode Anomaly. He has already been offered a command of his own, so Starfleet clearly values his command abilities and experience. President Rillak was seen to be assessing Captain Burnham’s suitability for the captaincy of the USS Voyager-J in Kobayashi Maru… and she mentioned having a shortlist of candidates. Could Saru be on her list?

Several of the qualities that President Rillak said she was looking for in a potential captain seem to apply to Saru. He’s more level-headed, less likely to put himself in a dangerous situation, and more inclined to think of the big picture. He has a weakness when it comes to Kaminar, as we saw toward the end of Season 3, but generally speaking he isn’t someone who lets his emotions get the better of him. His wisdom and calm demeanour could be valuable in the captain’s chair of the Federation flagship. This could also set the stage for his departure from the show, or possibly even for a new show following his adventures aboard his new ship.

Theory #12:
The ban on time travel will be explained in more detail.

HMS Bounty was able to travel back in time in Star Trek IV: The Voyage Home.

This one is as much a hope as a theory right now! In short, the ban on time travel was introduced early in Season 3 primarily as a way for the writers and producers to avoid questions about why the 32nd Century was so different from how the far future had been depicted in earlier Star Trek productions, as well as to explain things like how the Burn was able to catch the Federation off-guard and why Georgiou couldn’t simply be sent back in time when she needed to.

But the ban itself raises some issues – the biggest one being the lack of detail on how it works and how something like this could possibly be enforced. As I said several times last season, it isn’t possible to just un-invent a technology so useful and powerful as time travel. Even just a few lines of dialogue going into a little more detail on the mechanisms involved in the ban would be really useful.

Theory #13:
The Federation has flouted the ban on time travel.

President Rillak may have tried to circumvent the ban if she felt doing so would be in the Federation’s interests.

Sticking with the time travel ban, another theory I had last season was that the Federation – and Section 31 in particular – might have deliberately flouted the ban and failed to abide by the rules. Someone as straight-laced and committed to Starfleet ideals as Admiral Vance is highly unlikely to have sanctioned such a move, but there are other Federation leaders – such as President Rillak – who could be implicated.

I don’t think it’s possible any more that the DMA story will be connected to the time travel ban, as I had previously proposed. But that doesn’t mean that a closer look at the ban, and the potential for the Federation to have tried to work around it, isn’t going to happen.

Theory #14:
The crew will have to defend the Verubin Nebula.

The dilithium planet is vital to the Federation.

This one is definitely hanging by a thread right now. Season 4 continues to unfold in a very different direction, largely ignoring the main story beats from Season 3. But the dilithium shortage has been mentioned more than once, and as things stand right now, the Federation is in control of the galaxy’s only significant dilithium supply. The Verubin Nebula is almost certainly going to be a target – even if Unknown Species 10-C don’t care about it.

It begins to stretch credulity to think that all of the belligerent factions and races present in the galaxy would become aware of the Federation controlling this impossibly valuable resource and wouldn’t want to take it for themselves. And while it may not happen now until after the DMA storyline has run its course, I think sooner or later someone is going to want to steal the Verubin Nebula and its dilithium. Maybe it will be at the end of Season 4, maybe it will be in Season 5… who knows?

Theory #15:
A major character will be killed off.

A Starfleet coffin seen in Deep Space Nine.

Lieutenant Tilly’s departure in All Is Possible definitely shook up the cast. And Gray’s departure in But To Connect may do so as well. However, I stand by what I said before the season aired: killing off a character can be a great way to demonstrate the dangerous nature of the circumstances that the crew have found themselves in. So far, despite tangling with the DMA on several occasions, only a couple of redshirts have lost their lives.

In Stormy Weather, Dr Pollard raced through the corridors of the USS Discovery to reach a hull breach, but she survived while a nameless redshirt was blown out into space. And in Rubicon, the shuttle mission saw Saru, Dr Culber, Rhys, and Bryce all in serious danger, but they all made it home. Moments like these can make it feel that Discovery is shielding even its minor characters with some pretty heavy plot armour, but I still feel that there’s scope to see a major character death before the season ends.

Theory #16:
Season 4 will connect with the Short Treks episode Calypso.

Zora dancing with Craft in Calypso.

Zora’s status as a member of the crew was confirmed in But To Connect, and this followed her developing emotions and sentience earlier in the season. Zora is now much closer to her presentation in Calypso, potentially bringing the story of the Short Treks episode one step closer.

There are still significant hurdles to overcome if the story of Calypso is to be wrapped up in Season 4, though. Obviously we have the timeframe issue: will the USS Discovery be sent back in time, be abandoned, or is Calypso taking place centuries in the future? Then we have the USS Discovery itself – it’s been retrofitted since arriving in the 32nd Century, and now looks very different to how it did in Calypso. I’m not sure how Discovery will overcome these hurdles – but it’s possible. Zora hasn’t had a significant role to play in the last couple of episodes, but earlier in the season we definitely saw movement in this direction.

Theory #17:
There will be a character crossover from a past iteration of Star Trek.

Star Trek has had some wonderful crossovers in the past.

Tarka’s friend could, as mentioned, be someone we’ve already met. But there are other ways to bring back a character from a past iteration of the franchise – and there would be many potential benefits to doing so! I had initially proposed a version of this theory in the run-up to Season 3 that centred on the Doctor from Voyager – but with some creative technobabble, practically anyone could be included, despite the leap forward in time.

Choose To Live showed us the Abronians in cryo-sleep, and Stormy Weather saw the crew of Discovery use the transporter buffer to survive – just like Scotty had done in The Next Generation Season 6 episode Relics. Could these be hints at something to come?

It would also be possible for Captain Burnham to discover the logs or a holographic recording of a long-dead character – and while this would be less of a “crossover,” it could still be a ton of fun and great fan-service!

Theory #18:
Some areas of the galaxy – such as the Delta Quadrant – avoided the worst effects of the Burn.

Adira and Stamets with a map of the Milky Way galaxy.

In But To Connect, President Rillak told us that the diplomatic summit she convened would bring together races from “all four” quadrants. Assuming she was referring to the familiar Alpha, Beta, Gamma, and Delta Quadrants that make up the Milky Way galaxy, this would count as our first mention of the Delta Quadrant in the 32nd Century. I didn’t spot any familiar Delta Quadrant races (or their emblems) amongst the assembled delegates, however!

I had previously speculated that the Burn may not have affected the entire galaxy equally, and that regions farthest away from the Verubin Nebula may have survived without much damage. I still think that this is a possibility – though whether Discovery will revisit the Burn in any depth, or visit the Delta Quadrant at all, remains unclear.

To see a full write-up of this theory, click or tap here.

Theory #19:
Tarka aims to travel to the Kelvin universe.

The USS Kelvin.

There are many parallel universes, as Tarka reminded us in But To Connect. Though Star Trek has shown us a number of different parallel universes before, the biggest one that comes to mind (aside from the Mirror Universe) is the Kelvin timeline, in which the three reboot films were set.

Now that we know a fourth Kelvin film is happening, a major link-up between the two settings could definitely be on the cards. We don’t know how far the Kelvin timeline and the prime timeline will have diverged by the 32nd Century, and whether it operates like the Mirror Universe with every character getting their own alternate counterpart. If it does, perhaps Tarka met his own Kelvin timeline counterpart and that’s how he cooked up this scheme. If the Kelvin timeline diverged significantly from the prime timeline it stands to reason that the Burn never happened there. We also got an oblique Kelvin timeline reference in Season 3 – could that have been a hint?

Theory #20:
Book will find Kyheem and Leto on the other side of the DMA.

Book with Leto and Kyheem shortly before the destruction of Kwejian.

In Star Trek: Generations, Captain Picard encountered Captain Kirk inside the Nexus – despite Kirk being declared “dead” after the Enterprise-B encountered the energy ribbon almost eighty years earlier. Now that we know a little more about how the DMA operates, it seems at least faintly possible that, just like Captain Kirk, the inhabitants of Kwejian may not be as dead as they first appear.

This theory is, I freely admit, a bit of a long-shot. But the wormhole technology that we know the DMA uses seems to be capable of sending some of what it harvests or mines back to Unknown Species 10-C’s base of operations. Maybe that means that some of the people from Kwejian were transported there instead of being killed.

Theory #21:
The Guardian of Forever will be back.

The Guardian of Forever as it appeared in The Animated Series.

I’m close to retiring this theory. In short, I had suggested that the reintroduction of the Guardian of Forever in Season 3 could mean that we’ll encounter the timeless entity again in Season 4. It would be nice to bring back Paul Guilfoyle, who played the Guardian’s humanoid avatar in the Season 3 two-parter Terra Firma.

However, it seems as though the DMA/Unknown Species 10-C story isn’t going in that direction. It would make sense, in a way, for Captain Burnham to seek out the Guardian to ask it about the DMA and Unknown Species 10-C – it may well know something about what’s going on that could be helpful. But the best time to have done that would have been earlier in the season. There are still ways in which the Guardian of Forever could be included, though – such as Tarka attempting to use it to reach his friend – so although I’m close, I’m not dropping it just yet.

Theory #22:
President Rillak knows what the DMA is and may be implicated in its creation.

President Rillak, leader of the United Federation of Planets.

I will admit that, as things stand, President Rillak is looking less and less likely to be involved directly with Unknown Species 10-C and the DMA. But there’s still time for a connection to be revealed!

In short, President Rillak’s single-minded goal of reuniting the Federation may be well-served by providing the disparate ex-members with an enemy or a problem to stand against. The DMA has already accelerated Ni’Var’s membership, and President Rillak even got to speak with a representative from Earth in But To Connect – so if she is involved somehow, her scheme is already paying dividends. At the very least, I think it’s fair to say that this complex, somewhat Machiavellian character is not letting the crisis go to waste, and is politicking off the DMA’s trail of destruction.

President Rillak with Captain Burnham on Ni’Var.

In her dealings with Captain Burnham, I’d argue we’ve seen this Machiavellian edge to President Rillak. In the Ni’Var negotiations depicted in All Is Possible, and again for a second time in But To Connect, President Rillak used Captain Burnham to advocate positions that would’ve been politically or diplomatically difficult for her to do openly – effectively manipulating those events from behind the scenes.

In light of all of this, I would hope that Captain Burnham will tread carefully with President Rillak. She seems the type who would happily throw Burnham and the USS Discovery under the bus if it suited her political and/or diplomatic ends. If someone like that felt that unleashing the DMA, or failing to warn everyone that it was coming, would be to her advantage, I can absolutely see her seizing on that opportunity, too. There are myriad ways in which we could connect her to the DMA, even if she didn’t order its creation. She could be in cahoots with Unknown Species 10-C, she could have learned about the DMA and chosen to cover it up, or something else that she believed was in the Federation’s long-term interests.

Theory #23:
Unknown Species 10-C is extinct.

R.I.P.

Although the arrival of a second DMA may count against this theory, it’s possible that it’s some kind of automated system. With Unknown Species 10-C still being hidden and mysterious, it seems at least possible that Captain Burnham and the crew will arrive at their base to find it empty; Unknown Species 10-C may have already gone extinct.

Perhaps they went extinct recently, or perhaps it was millennia ago. The DMA might be Discovery’s equivalent of the Planet Killer from The Doomsday Machine; an automated device left behind, a warning to the real world about the dangers of some of our long-lasting environmental and technological impacts.

Is the DMA going to turn out to be similar to the Planet Killer?

The DMA could even be Unknown Species 10-C’s last-ditch effort to prevent their own extinction. Having used up their entire power supply, they had to build such an imprecise, devastating machine to harvest all of the boronite they could possibly find just to keep the lights on and their machines powered. There could be an interesting analogy there, too.

Because Unknown Species 10-C remains hidden from us going into the next episode, all sorts of possibilities remain on the table. This could certainly be a different and unexpected way to take the story, and perhaps the culmination of the plot would be more of a technological puzzle than a conflict against an adversary, with Captain Burnham leading Starfleet’s efforts to figure out Unknown Species 10-C’s technology in order to deactivate the DMA.

So that’s the main theory list!

We also have two production-side theories in play, so we’ll look at those too before we wrap things up.

Production-side theory #1:
Tilly’s departure will be permanent.

Tilly’s departure feels permanent.

Mary Wiseman confirmed in an interview with Wil Wheaton on The Ready Room (Discovery’s social media aftershow) that Tilly will be seen again before the end of Season 4, and we glimpsed her in the trailer for the second half of the season as well. But that doesn’t mean she will return as a main character on the show going forward, and her departure in All Is Possible felt permanent. Despite that, I’ve seen quite a lot of folks online who don’t believe that Tilly is actually leaving the series – so I wanted to put it out there officially and say that, in my opinion anyway, she is.

Maybe those people know something that I don’t! As I always say, I don’t have any “insider information;” all of this is just speculation on my part. However, I feel that the manner of Tilly’s departure, the fact that she got that emotional sequence with Captain Burnham, a montage showing her leaving the ship, Adira seeming to take over several of her roles, and her departure feeling like the culmination of her arc going back to the latter part of Season 3 all come together to strongly indicate that she won’t be back as a major character. She may yet have a significant role to play in a future Season 4 episode, as has been suggested, but unless Discovery’s writers are really playing with our emotions I believe we’ve seen Tilly’s end as a main character on the show. She may come back in a future Starfleet Academy series, though… so watch this space!

Production-side theory #2:
Season 4 will end on a cliffhanger!

Star Trek has a long, well-established tradition of season-ending cliffhangers! There have been some truly shocking ones in the past, including The Best of Both Worlds in The Next Generation, Deep Space Nine’s Call To Arms, Equinox in Voyager… and many more! With the story of Unknown Species 10-C and the DMA slowly being unpicked, it could be the case that we’ll get a clean resolution – like we did at the end of Season 3. But it’s also possible, in my opinion, that Season 4 will end in similar fashion to Season 2 – on a major cliffhanger!

That could be because the Unknown Species 10-C story didn’t conclude, or a war with the mysterious faction is about to break out. But the Season 4 finale could also set up the beginnings of Season 5’s story, just like how the final moments of Season 1 saw Captain Pike’s Enterprise link up with the USS Discovery.

So that’s it!

The USS Discovery inside the DMA in Rubicon.

There are still some huge questions facing Discovery as we move into the final four episodes of the season. The DMA and Unknown Species 10-C storylines have to be exposed – somehow – and there’s also the question of Tarka. Will he make it across the divide to the universe he’s trying to reach? And what of Book and Burnham – will they be able to put the arguments over the DMA behind them and reconcile? The next episode will take us to The Galactic Barrier – so maybe we’ll finally get to lay eyes on Unknown Species 10-C!

Before we go, one final point. I write up these theories because I like Star Trek and I like writing. But for some folks, fan theories can hamper their enjoyment of a film or television show. It’s worth keeping in mind that most of these theories probably won’t pan out, and we have to be prepared for the fact that even the most well-constructed fan theory, no matter how fun and plausible it seems, simply won’t turn out to be true. If you find that speculating and reading theories is beginning to detract from your enjoyment of Star Trek: Discovery – or any other television show or film – it might be a good idea to take a break for a while.

Star Trek: Discovery Season 4 is available to stream now on Paramount+ in the United States, Scandinavia, Latin America, and Australia. The show is on Pluto TV in the UK, France, Germany, Italy, and other parts of Western Europe at 9pm on Fridays and Saturdays. Individual episodes or the full season can be purchased on iTunes, Amazon Video, Google Play, and possibly other platforms in the UK, parts of Europe, and select other countries. The Star Trek franchise – including Discovery and all other properties mentioned above – is the copyright of Paramount Global. This article contains the thoughts and opinions of one person only and is not intended to cause any offence.

Star Trek: Discovery review – Season 4, Episode 9: Rubicon

Spoiler Warning: There are spoilers ahead for Star Trek: Discovery Seasons 1-4.

Last week, All In took Discovery on a bit of a detour to a Star Wars-inspired gamblers’ den. With the season now building to what appears to be the climax of its story, Rubicon returned to the DMA in a big way, moving the story along in leaps and bounds while spending a little too much time on the dreaded Burnham Relationship Drama™.

I’m in two minds about Rubicon, really. On the one hand, the episode was by far the cinematographic highlight of the season so far, with some outstanding visual effects, beautifully-composed camera shots, and a sense of scale that would’ve made Rubicon feel right at home on the big screen. On the other, there were a couple of moments where I literally couldn’t stop my eyes from rolling at overplayed clichés that I’d hoped Discovery could’ve outgrown by now. What resulted, all things considered, was a mixed bag of an episode; there were some excellent moments and some very sub-par ones.

Captain Burnham on the bridge in Rubicon.

Stepping back from Rubicon for a moment, I want to consider the overall story of the DMA and Unknown Species 10-C in Season 4. As the season has rolled on, I’ve been feeling a growing sense of déjà vu. The DMA storyline is unfolding in a remarkably similar fashion to the Burn in Season 3, with the big, mysterious, galaxy-threatening event being slowly uncovered by Burnham and the crew of the USS Discovery.

When the first Season 4 teaser initially revealed another “big bad,” I wrote the following: “there are possible downsides to another ‘huge galactic disaster’ storyline so soon after resolving the Burn, in that it risks feeling tacked-on, derivative, or even anticlimactic…” Right now, with the very similar way that the two storylines are unfolding – with little tidbits of information about the DMA or Unknown Species 10-C having been tacked on to episodes throughout the season – I’m definitely feeling that Discovery is straying increasingly close to repetitive territory. There’s still time for the emergence of the second DMA or the reveal of Unknown Species 10-C to take things in a very different direction, but this feeling is something that had been building up for several episodes now, and it kind of came to a head in Rubicon.

The DMA as it appeared in Rubicon.

I don’t usually like to talk about too much production-side stuff, but while we’re taking more of a birds-eye view of Season 4, I thought it was worth noting that showrunner Michelle Paradise recently discussed Unknown Species 10-C during a social media event. Her comments seemed to imply that Unknown Species 10-C will be someone that we’ve never met before; someone brand-new to Star Trek. And while it’s possible these comments have been misinterpreted – Paradise could have been talking about an extensive redesign of an existing faction, perhaps – I wanted to briefly consider what that could mean for the show.

In Season 3, one of the reasons why the Burn storyline fell flat at what should’ve been its climax is that basically none of the hints that Burnham and the crew had picked up over the course of the season ultimately mattered – the ending was such a bolt from the blue that it was unpredictable, making for an unsatisfying end to a season-long mystery. Because Season 4 has followed such a similar mystery box-type setup, the DMA and Unknown Species 10-C have seen crumbs of information thrown our way over the course of the season thus far. And with myriad smaller references to past iterations of Star Trek, fans have been encouraged to speculate about possible connections and explanations. For the ending to be another “surprise!” might work… but it might not. And I can’t shake the feeling right now that the explanations for the two big mysterious elements of Season 4’s story are ultimately going to be disappointing for a lot of fans.

Okay, that’s enough of that! The speculation about who Unknown Species 10-C may or may not be will have to wait, and we may not know the answer for a while!

Unknown Species 10-C sent a second DMA.

One of the central conceits of Rubicon was this idea of searching for a middle ground in between Book and Burnham’s positions. Communication and compromise have been themes that Discovery has tackled on multiple occasions over the past couple of seasons, but here I’m just not sure it’s been handled very well. I said in my review of But To Connect that there has always been a middle ground in this standoff, and it’s such a basic one that it beggars belief that no one so much as mentioned it until now.

The dividing line was whether to attempt to make peaceful first contact, as Burnham wanted, or to deploy a weapon against the DMA, as Book wanted. But the answer has been right in front of everybody the entire time: do both. In the time it would take to build the weapon and plan for its deployment, the Federation could make its attempt at first contact. It didn’t need to turn into the big fight that it did, and the idea that none of the dozens of diplomats, the Federation President, Starfleet Admirals, and the entire crew of Discovery didn’t even consider it might be a clumsy metaphor for our current divided political climate, but it doesn’t really work as a story beat. And that means that when Burnham finally proposed the compromise to Book, instead of cheering it on and thinking what a wonderful idea it was, all I could think was “that took you long enough!”

Captain Burnham eventually came to discover a rather obvious compromise position.

If the story underlying this division was stronger, perhaps I would forgive the silliness of failing to propose a compromise sooner. But because this particular story focuses almost exclusively on Burnham Relationship Drama™, something that I would argue Discovery simply does not need at this point in its run, it feels even more disappointing, somehow.

Despite a weak start in the Season 1 premiere, I have genuinely come to like Captain Burnham. Her ascent to the captaincy, particularly across the back half of Season 3, felt great – and along with Captain Sisko from Deep Space Nine, we can absolutely say that she’s one of the few Star Trek characters who genuinely earned her promotion. We saw a lot of the process that took her from a subordinate to a commanding officer, and while she has her flaws, which Star Trek captain doesn’t?

Captain Burnham’s rise to the captain’s chair has been a great story to watch.

But after a lot of messing around with Ash Tyler in Season 2 in particular, the whole Burnham Relationship Drama™ angle is completely overdone. Giving her a new start with Book worked so well in Season 3, and to upend that over such a stupid disagreement that should have been solvable is disappointing. Female characters don’t need the support of male characters to be successful, so I’m not saying that Captain Burnham somehow needs Book in her life – but having given her that relationship, to strip it away from her so soon just for the sake of injecting additional drama into a series that’s already full to the brim with it just seems gratuitous and unnecessary.

It would still have been possible to have a conflict over the DMA, with Tarka taking off on a mission to detonate his weapon. All In and Rubicon could’ve played out almost word-for-word without the Burnham Relationship Drama™ detracting from other aspects of the storylines. Another character could’ve been teamed up with Tarka, if the writers felt it necessary, and he could have even swayed a member of Discovery’s crew. In Rubicon, we saw glimpses of the way this could’ve gone with Rhys being generally supportive of Tarka, and any of the secondary characters could’ve played the Book role on this side of the story. Tarka is the driving force here, Book is really just a pilot. And while Book’s story of grief leading him to dark places sounds interesting in theory, Discovery hasn’t really done anything significant with that angle for several episodes. Book got to his dark place earlier in the season, and has been fairly static since.

A hologram of Book in Rubicon.

In short, if I was going to make one change to Season 4 as it’s unfolded so far, it would be to keep Book and Burnham together. There was scope to see Book in therapy with Dr Culber, talking out his feelings with Saru or even Zora, and being comforted all the while by Burnham. Instead, the story almost suggests that Burnham is out of her depth with Book, unable to know what to do or say.

The only way I can see the Burnham Relationship Drama™ making sense in Season 4 is if it leads to some bigger destination that isn’t apparent right now. Rubicon saw Burnham hesitate, unwilling to give the order to stop Book because of her love for him essentially overriding her duty as a Starfleet officer – comparable, in some respects, to the choice Worf made in the Deep Space Nine episode Change of Heart. If she feels that she can’t ever make that kind of choice again, or that Starfleet is getting in the way of her relationship, maybe she’ll end up resigning her commission in order to stay with him. If there’s some kind of larger arc at work, perhaps we’ll look back on the way it unfolded and reflect, wondering if the ends justified the means. But right now, assuming that isn’t going to be the case, this aspect of the Season 4 storyline remains disappointing verging on irritating.

Captain Burnham.

None of that is to detract from two wonderful performances. Sonequa Martin-Green continues to be impressive as Captain Burnham, and in an episode that revolved around her character’s internal conflict between love and duty, Martin-Green put in an outstanding and beautifully complex performance that was, at times, riveting. David Ajala made a wonderful addition to the cast in Season 3, and his arc in Season 4 has seen him put in some harrowingly beautiful performances that truly succeed at communicating Book’s grief. This latest turn for his character and his disagreement with Burnham wouldn’t have been my choice, but there’s no denying that Ajala brought it to screen and did his utmost to sell it.

It was also great to welcome back Rachael Ancheril in Rubicon, with her character of Nhan making a return for the first time since Season 3’s Die Trying. I felt it was a shame to see Nhan shuffled off the ship so quickly after arriving in the 32nd Century, and although it seems like her role this time was a one-off and not the start of a full-blown homecoming, it was still nice to catch up with her and learn that her mission aboard the USS Tikhov came to a successful conclusion.

Nhan made a welcome return to Discovery this week.

Unfortunately, though, one of Nhan’s lines was so poor that I felt myself involuntarily rolling my eyes. At a crucial moment in the mission, Nhan revealed to Burnham that, rather than just following her orders, she had another motivation: she’d been on another mission somewhere else and had lost “half her team” because she waited too long to make a decision. This terribly clichéd moment added nothing to Rubicon, nothing to Nhan’s character, and nothing to the overall story. It was undeveloped beyond a single line and was nothing but unnecessary fluff thrown in seemingly haphazardly to try to further ramp up the drama.

Discovery has a tendency to do this: taking a secondary character and giving them one or two lines about something in their past that we never saw and that is never referenced again to try to inject additional tension and drama into a story beat. It occasionally works, but more often than not it just falls flat on its face because it’s so painfully obvious that these lines are purely there for dramatic effect. Nhan’s is a case in point: it didn’t flow naturally, it was too barebones to add anything of substance to either her character’s motivation or the storyline she was part of, and overall it just felt like a very clumsy addition to the episode; the kind of line that might be written by a middle school student in one of their first creative writing projects.

Unfortunately one of Nhan’s lines was the worst in the episode; an underexplained piece of exposition thrown in to artificially ramp up the drama.

Despite that one line being so poor that it detracted somewhat from her return, I liked the role that had been given to Nhan in a more general sense. There’s no denying that Captain Burnham is too close to Book to be objective, and the rest of Discovery’s crew know him well so couldn’t necessarily be trusted either. Bringing in an outsider – or at least somewhat of an outsider – who has the authority to override Captain Burnham in this specific case makes a lot of sense from Starfleet’s point of view, and it was neat that Discovery managed to find a way to address this conflict in a way that felt natural.

I also liked the way Nhan introduced Saru and Captain Burnham to her secondary plan – the secret briefing that she gave them when their first attempt to capture Book and Tarka failed. It fitted perfectly with Nhan’s very militaristic role as a Federation security officer, and the way she presented the plan after the shuttle mission was as close as Starfleet gets to feeling like a military organisation.

This briefing was a very cool idea that was executed perfectly.

Speaking of the shuttle mission, it was nice to see Saru in command for the first time since Season 3! I also really like the shuttlecraft set design, with its rounded consoles and expansive bridge area. We saw this set used when Tilly took a group of cadets on a mission in the episode All Is Possible, and it’s neat that Discovery is continuing to make use of this new space. Because the USS Discovery hasn’t really seen much of a redesign internally, it’s one of the few sets other than Federation HQ that has a 32nd Century feel, and I like that. The USS Discovery has always felt like a ship that blends aspects of the NX-01 Enterprise, the USS Kelvin, and to an extent, parts of the Constitution-class refit into its own somewhat spartan 23rd Century style. I was wondering if we’d see much of a redesign this season, but in lieu of that it’s nice to get scenes like the one aboard the shuttlecraft that incorporate more 32nd Century design elements.

Although it sadly didn’t take up much screen time and wasn’t really expanded upon in a significant way, the conflict between Rhys and Bryce was an interesting one. It makes sense that there’d be members of Discovery’s crew who were generally supportive of Book and Tarka, so giving that debate some air was neat to see. It didn’t last as long as it could’ve, and the resolution – with Bryce offering Rhys a hand after they were beamed back aboard Discovery – was a blink-and-you’ll-miss-it affair, but it was nevertheless an attempt by the show’s writers to expand the story beyond Captain Burnham, Book, Tarka, and Nhan.

This conflict could have been expanded upon, but it was a nice inclusion nevertheless.

The visual effect of the shuttle being “eaten” and torn in half was spectacular, and definitely one of the highlights of the season so far. The “goo” that captured the shuttle seemed to be a visual blend of programmable matter – a stalwart of 32nd Century tech – and the living ice from the Season 3 episode Far From Home that almost consumed the USS Discovery. And as it gripped the shuttle, eventually ripping it in half as it tried to get away, it was an absolutely thrilling spectacle.

I genuinely felt that Saru, Dr Culber, Rhys, and Bryce were in danger during their away mission, and in a series – and a franchise – that almost always sees its heroes make it home safely, that can be a difficult thing to pull off. As Saru led his team, though, I was so immersed in the world of Star Trek that I fully suspended my disbelief! I would add, though, that this isn’t the first time in Season 4 that Discovery has put crew members into dangerous, life-or-death situations only to save them at the last second. Dr Pollard had a very lucky escape in the episode Stormy Weather, and that’s perhaps the most obvious example. It can feel as though Discovery is providing even its minor characters with some very heavy plot armour at times, and while I didn’t feel that way in the moment, as I was thrilled by an incredibly tense, well-constructed sequence, looking back it feels like yet another opportunity to demonstrate the dangers posed by the DMA, Unknown Species 10-C, and Tarka’s weapon that Discovery missed. A character death can be so meaningful and so significant, and even if it were one of the secondary characters involved in this mission, it would still have been impactful; they’re characters we’ve seen in dozens of episodes across more than four years.

This was an incredibly exciting sequence that benefitted from some outstanding CGI work.

After the failed shuttle mission, Discovery chased Book and Tarka into the heart of the DMA. I wish we’d got something – even just a clumsy line of obvious exposition – to explain how it’s possible for the ships to operate inside the DMA with impunity, especially considering how dangerous it was for Book when he piloted his ship inside it in the episode Anomaly a few weeks ago. I guess the explanation is that the central part of the DMA is more gravitationally stable than its outer edges… but something on-screen to confirm that wouldn’t have gone amiss.

Despite that, I greatly enjoyed this part of the episode. It began with a really incredible close-up of Captain Burnham ordering Black Alert – something I still find incredibly cool four seasons in! – and that led us into a ship-to-ship combat situation that was reminiscent of the Battle of the Mutara Nebula in The Wrath of Khan. This sequence was much faster-paced, as the two ships could use their spore drives to jump around, but the basic premise of having to fight without the ship’s full array of scanners, shields, and weapons in the confines of a nebula-esque setting definitely felt like it was drawing on inspiration from what is still one of the Star Trek franchise’s best space battles.

The USS Discovery inside the DMA.

The USS Discovery bridge set saw a significant upgrade this season with the addition of pyrotechnics that could spew jets of fire. That effect was, perhaps, ever so slightly overused earlier in the season, so to see the show return to a more typical “battle damage” style with sparks flying and the occasional chunks of scenery being thrown around was certainly no bad thing. Some effects are best used sparingly, after all!

Partly because Discovery still likes to give most of the significant story moments to Captain Burnham, and partly for the sake of increasing the drama and tension, there was once again a moment during this battle that felt rather contrived. Captain Burnham managed to single-handedly figure out that the DMA wouldn’t leave the area until it had hoovered up all of the boronite particles – something that doesn’t survive a second glance as you’d think everyone would’ve realised that far sooner. It worked to set up the “middle ground” part of the story, offering a compromise to Book, but it feels like something that Stamets and co. should have worked out sooner – they’ve supposedly been working on the DMA for weeks off-screen.

Book and Burnham searching for middle ground.

The shot of Book on the bridge of his ship and Burnham at the console of a shuttlecraft was another that was beautifully composed and cinematic. Discovery could’ve chosen to set up this scene using holo-communicators, and that would’ve worked okay, but there was something about seeing the two characters literally divided that really emphasised the point that the series is trying to make about compromise, reaching out, and doing the right thing. Although I think I’ve made clear that the whole Burnham Relationship Drama™ angle isn’t something I’m wild about, I can still appreciate that it was handled incredibly well at this moment.

It seemed obvious to me that Tarka – the driving force behind this whole renegade mission – would fire his weapon regardless, and so it proved. Perhaps because I’m less invested in the Book-versus-Burnham conflict I wasn’t so distracted by it that I was caught off-guard by Tarka’s actions, but it seemed like Discovery was trying to tee this up as a shocking twist near the episode’s conclusion. In that respect it fell a little flat, but I like that the writers didn’t just forget about Tarka or have him break character by standing down.

Tarka stayed true to his characterisation by launching his weapon.

Tarka was originally presented as an arrogant mad scientist – a character archetype that we’ve seen in Star Trek on a number of previous occasions. But he very quickly showed off a depth that went far beyond that character trope. I would classify Tarka as somewhat of a fanatic; he’s single-mindedly dedicated to his own goal, and is willing not only to go to extreme lengths, but to disregard the feelings and views of practically everyone else in the process. He would hurt – and perhaps even kill – if it meant he could accomplish his objective of going “home” to find the friend he’s been talking about. In that regard, I would compare Tarka with Dr Tolian Soran, the villain from Star Trek: Generations. Both characters share a comparable goal – seeking their idealised versions of paradise – and both are willing to go to extreme lengths to get there.

When the DMA was destroyed, however, we got a very rushed scene with Tarka as he realised the DMA controller had disappeared or been destroyed. He scanned the area for literally a few seconds before sitting down looking dejected, and the pacing of this moment just felt off. We’ve seen in Discovery that sensor scans can take a long time, but even if we set aside nitpicky canon reasons, just as a character moment I think this scene needed more. It wasn’t even clear if he’d miscalculated, destroying the controller, if it had been recovered by Unknown Species 10-C, or something else had happened to it.

This moment needed to be longer.

Shawn Doyle has done a remarkable job bringing the complex Tarka to screen in an understandable and occasionally sympathetic way, so at the moment of what appears to be his biggest gamble and biggest defeat (at least so far), we needed to spend more time with him. With the scene’s short runtime, Doyle did what he could to communicate the extent of Tarka’s disbelief, sadness, and even anger… but a few extra minutes spent here would have gone a long way to paying off an arc that has been running for several episodes. There will be more to come from Tarka, I have no doubt, but this moment feels like it should have been bigger and handled with more significance in his story. This is another consequence of Discovery choosing to prioritise Burnham Relationship Drama™ over practically everything else in the story at this point.

Finally in Rubicon we had a development in the burgeoning relationship between Saru and Ni’Var President T’Rina. In a story that focused on the growing separation between one couple and arguments between friends, it was cute and sweet of the series to dedicate some time to a story like this. It served as somewhat of a counterbalance to some of the heavier themes of separation and failure, but more importantly the chemistry between Tara Rosling and Doug Jones is intoxicating, even with the latter under heavy prosthetic makeup. Saru, despite his wisdom and calm demeanour, is inexperienced in this area, and that’s a nice new angle for his character, too.

T’Rina and Saru sitting in a tree…

Seeing Saru being the one to seek romantic advice toward the end of the episode was interesting, and the candour shown to him by Dr Culber says a lot about the respect and friendliness between the two of them, too. Aside from the away mission earlier in Rubicon, we haven’t seen much interaction between Saru and Dr Culber for quite a long time, so this reminder that other members of the crew have friendships with one another was very sweet. I’m looking forward to seeing how the Saru-T’Rina relationship plays out, and the fact that Discovery hasn’t rushed it is a good thing!

So I think I’ve said more or less everything I wanted to say about Rubicon. It was a mixed episode for me, one where a particular storyline really clogged things up and overshadowed others, but that managed to have some beautiful moments that shone through even when I wasn’t particularly interested in the approach being taken. It was a beautifully cinematic episode, one of Discovery’s best from a visual and technical standpoint, and one that used sound and silence to great effect. Seeing Captain Burnham silently looking around at the climax of the battle was one of the most intense, dramatic moments from all four seasons of the show, and I can’t fault it.

An episode with some stellar performances from both of its leads and a couple of guest stars stumbled under the weight of an unnecessarily heavy storyline that, unfortunately, had all the subtlety of a sledgehammer at times. There were a couple of places where more time could have been spent away from Captain Burnham and Book; stories that are just as deserving of attention that Discovery chose to rush through in favour of spending more time with its protagonist and her angst about her boyfriend. This is a choice that I wouldn’t have made for a series which is well into its fourth season, and it’s one that, unless it gets resolved soon, will continue to be a drag on what is an otherwise excellent and engaging sci-fi adventure.

Star Trek: Discovery Season 4 is available to stream now on Paramount+ in the United States, Scandinavia, Latin America, and Australia. The show is on Pluto TV in the UK, France, Germany, Italy, and other parts of Western Europe at 9pm on Fridays and Saturdays. Individual episodes or the full season can be purchased on iTunes, Amazon Video, and possibly other platforms in the UK, parts of Europe, and select other countries. The Star Trek franchise – including Discovery and all other properties mentioned above – is the copyright of Paramount/ViacomCBS. This article contains the thoughts and opinions of one person only and is not intended to cause any offence.

Star Trek: Discovery theories – week 8

Spoiler Warning: There are spoilers ahead for Star Trek: Discovery Seasons 1-4, Star Trek: Picard Season 1, and for other iterations of the Star Trek franchise.

After an unexpected sabbatical, Discovery Season 4 returned with the episode All In. If you read my review of the episode, you’ll know that I didn’t think it was the strongest one of the season so far, but it was interesting in some ways and certainly contained some excellent performances from all of its leading stars. Because All In was, in large part, a detour as Book, Burnham, Owosekun, and Tarka scrambled to get their paws on a magical macguffin molecule called isolynium, most of our big ongoing theories didn’t see significant movement this week. That said, there’s still a lot to talk about and a few updates to get through!

There are still some big open questions, and with five episodes left I’m expecting at least some of them to start moving in pretty big ways in the next week or two! For me, the biggest point of interest right now is whether the season’s big stories will connect in a major way with past iterations of Star Trek. There are a few different ways this could happen, but a big part of me suspects that, as with the Burn in Season 3, we’re going to get something altogether new.

This week we have one confirmed theory and one theory on the production side of things that I’m very pleased to see has been debunked! As always, we’ll start there before moving into the main theory list.

Confirmed theory:
The DMA isn’t a super-weapon.

Burnham, Stamets, and Rillak examine Unknown Species 10-C’s point of origin.

Although I felt that the sequence which contained this revelation was cut rather short, Captain Burnham, Stamets, Zora, and Saru managed to figure out between them what the DMA’s true purpose is. Rather than being a super-weapon, as had been originally assumed, the DMA is a glorified piece of mining equipment, or as Captain Burnham put it, a dredge.

Its purpose appears to be to scour the galaxy for the rare isotope boronite – something that was first mentioned in the Voyager Season 4 episode The Omega Directive. Boronite can be used to synthesise omega molecules – one of the most powerful substances in the known galaxy – but Unknown Species 10-C appear to be using it to power their hyperfield – a kind of forcefield or cloak which is concealing their base or star system.

The DMA’s purpose is to harvest boronite, a rare molecule first mentioned in the Voyager episode The Omega Directive.

I really like this angle. If the DMA isn’t a natural phenomenon, which it seemed to be at first, then having it be something other than a weapon adds a different dimension to the story, one which takes it away from being a fairly typical conflict into something more complex – and, I would argue, more “Star Trek.” We’ve talked about the “it was only trying to communicate!” trope in relation to the DMA before, and how misunderstandings have long been part of Star Trek’s storytelling tradition, highlighting the complexities of dealing with very different cultures and the dangers of making assumptions. This side of the story seems to be cut from the same cloth.

This also seems to rule out other theories about the DMA, such as it being an experiment gone wrong. There’s still room for further twists and turns in the DMA’s story, though, so let’s wait and see what happens, and just what purpose Unknown Species 10-C has in mind for all of this boronite!

Debunked theory:
Star Trek: Discovery isn’t going to be renewed for a fifth season.

Phew! I was getting genuinely worried when we passed the season’s halfway point with no indication of a Season 5 renewal. In past years, we’d always known either before the season kicked off or within a week or two of its premiere that the show had been renewed, so when we got further and further in with no official news – and no rumours of production starting quietly – I began to get worried for Discovery’s future.

But in January, while the show was on hiatus, ViacomCBS confirmed that Discovery will indeed get a fifth season – making it the first show since Voyager to make it that far! (Sorry, Enterprise) This is great news, because I’m not ready yet to say goodbye to Captain Burnham and the crew. There’s so much scope for more adventures in the 32nd Century, and I feel like Discovery could continue to expand and explore this setting, perhaps laying the groundwork for more 32nd Century shows.

So those theories were confirmed and debunked.

Now we can jump into the main theory list! As always, we’ll begin with those theories that are either new or that saw significant movement in All In, before rounding out the list by recapping the rest of them.

Theory #1:
Tarka will realise that there’s a tracker on the isolynium.

Captain Burnham placed a tracking device (highlighted) on the container of isolynium.

Tarka is sharp, and more than that he has access to – and the ability to build – clever pieces of tech. We saw this week that he was able to create a changeling-capturing machine out of a low-quality Devore scanner. It stands to reason he’d want to scan the isolynium that Book procured, and if he’s as thorough as we’ve seen him be so far, perhaps he’ll figure out that Captain Burnham placed a tracking device on it.

If so, the signal that Captain Burnham showed off at the end of All In may lead to a dead-end! I’m sure that the USS Discovery will catch up with Tarka and Book – if not, the story would be fairly short and boring, after all – but it may not be as simple as following the map to the cleverly-placed tracking device.

Theory #2:
Tarka’s weapon will be successful.

Isolynium – a key component of Tarka’s weapon.

President Rillak has tasked Admiral Vance and Captain Burnham with stopping Book and Tarka before they finish work on their weapon and use it against the DMA, fearing that destroying the DMA will lead to all-out war with Unknown Species 10-C. The obvious story route from here is that Captain Burnham and the crew will track them down and either talk them out of it or destroy the weapon before it can be used. But that may not be the direction that Discovery plans on taking us.

It could be more interesting in some ways if Tarka and Book succeed in their aim of launching and detonating the weapon, destroying the DMA and attracting the attention of Unknown Species 10-C. Such a highly advanced species – if they’re as advanced as everyone is assuming, anyway – would be a formidable opponent, but they could also be willing to listen to diplomatic overtures. Perhaps Tarka and Book would have to be sacrificed, imprisoned with Unknown Species 10-C as punishment for their crime.

Tarka and Book.

Speaking of diplomacy, in the mad rush to stop Book and Tarka, I certainly hope that President Rillak hasn’t forgotten about trying to contact Unknown Species 10-C. At the very least, now the Federation knows where they are they should send a message warning them of Book and Tarka’s intentions. It might have to be more of a rush job that the Federation would have preferred – but it would be better to at least make an attempt at first contact in case Captain Burnham can’t stop the weapon in time.

Discovery is definitely unpredictable right now, and I could easily see the series taking its main story to unexpected places. Book and Tarka successfully deploying their weapon would be just one example, and it could make the introduction of Unknown Species 10-C all the more intense, exciting, and edge-of-your-seat thrilling.

Theory #3:
Unknown Species 10-C is extinct.

R.I.P.

We’ll talk in a moment about what All In might mean for my Unknown Species 10-C suspects! But there’s one possibility that I hadn’t really given much thought to that suddenly came to the fore in light of the fact that Unknown Species 10-C is still a mystery and, more significantly, that Starfleet has no way of scanning their base/star system. What if Unknown Species 10-C has already gone extinct?

Perhaps they went extinct recently, or perhaps it was millennia ago. The DMA might be Discovery’s equivalent of the Planet Killer from The Doomsday Machine; an automated device left behind, a warning to the real world about the dangers of some of our long-lasting environmental and technological impacts.

Is the DMA going to turn out to be similar to the Planet Killer?

The DMA could even be Unknown Species 10-C’s last-ditch effort to prevent their own extinction. Having used up their entire power supply, they had to build such an imprecise, devastating machine to harvest all of the boronite they could possibly find just to keep the lights on and their machines powered. There could be an interesting analogy there, too.

Because Unknown Species 10-C remains hidden from us going into the next episode, all sorts of possibilities remain on the table. This could certainly be a different and unexpected way to take the story, and perhaps the culmination of the plot would be more of a technological puzzle than a conflict against an adversary, with Captain Burnham leading Starfleet’s efforts to figure out Unknown Species 10-C’s technology in order to deactivate the DMA.

Theory #4:
Nhan works for Section 31.

Nhan.

Spoiler warning for the next episode, Rubicon, but Nhan will be making a return to Discovery! I thought it was unfortunate that she was shuffled off the ship at such an early stage in Season 3; there was scope, I felt, for more Nhan stories. So it’ll be great to welcome her back to the show in just a few days’ time!

One thing struck me about Nhan based on a couple of photos that the official Star Trek social media channels released, and that’s her uniform. Nhan isn’t kitted out in the standard Season 4 Starfleet uniform that the rest of the crew wear. Hers appears to be a new variant, possibly in a similar style to Lieutenant Willa’s from Season 3. There are many possible explanations for Nhan’s uniform, including an assignment at Federation HQ or a continuation of her service aboard the USS Tikhov, but one interesting possibility comes from Nhan’s background as a security officer. Maybe she’s been recruited by the 32nd Century equivalent of Section 31.

Theory #5:
Tarka’s mysterious “friend” is someone we’re already acquainted with.

All In saw a brief conversation between Tarka and Owosekun in which the subject of his mysterious friend came up. There seems to be more going on with this character than meets the eye, though whether Tarka was being genuine in his emotional reaction isn’t 100% clear! It’s a distinct possibility that his friend is, in fact, a love interest or even a spouse, and that could certainly be an interesting development.

The fact that Discovery has gone out of its way to keep this character’s identity a mystery is interesting as well, and one reason for doing so could be that Tarka’s friend is someone who we as the audience have already met. If it wasn’t a big deal, why not just have Tarka say the individual’s name? The more appearances Tarka makes without revealing this character’s identity, the more strongly I feel that it will turn out to be someone we’ve already met.

I put together a short list of possible candidates for being Tarka’s mysterious friend, and you can find it by clicking or tapping here.

Theory #6:
Book and Burnham will get back together.

Burnham and Book in All In.

I have to be honest: I’m not interested in more Burnham Relationship Drama™. Discovery has already done this with Ash Tyler in Seasons 1-2, and it was okay then, but it’s overdone by now. I get where the central conflict with Book has come from, but I don’t feel that the show needs this additional injection of drama to make Season 4’s story work. If I were to cut one aspect of the Season 4 story that we’ve seen so far, it would be this.

So with that in mind, my hope is that the Book-Burnham feud will be brought to an end – and hopefully within the next couple of episodes. Ideally I’d like to see them get back together, although some of the things they said to each other in All In might make that more complicated. If Burnham manages to stop Book and Tarka, perhaps he’ll come around to her way of thinking. If they’re successful in using the weapon, the argument they had will become a moot point. So there are different ways this could go, but I’m hopeful that it will be resolved soon as it’s an aspect of the show that I’m really not wild about.

Theory #7:
The DMA is a life-form.

“It’s alive!”
Frankenstein (1932)

The revelation that the DMA is a mining tool or dredge would seem to make this theory a lot less likely – but I’m not yet willing to strike it from the list. There are several ways it could unfold, but one possibility is that the DMA is a self-aware piece of technology, comparable to Zora. Perhaps it’s carrying out its orders, unaware of the damage it’s doing, and will be able to be reasoned with even if Unknown Species 10-C won’t back down.

Or perhaps the DMA has gone rogue, operating without Unknown Species 10-C’s permission. That would also be an interesting angle, as it could mean that Captain Burnham and Starfleet will have to ally with Unknown Species 10-C to stop the DMA. Some aspects of this theory as I originally formulated it – such as coming to an understanding with the DMA in a story comparable to V’Ger’s in The Motion Picture – seem to be off the table entirely. But the DMA being a self-aware, conscious machine isn’t… at least, not yet!

Theory #8:
Unknown Species 10-C is a faction from a past iteration of Star Trek.

Could it be the Borg?

The revelation of the hyperfield at Unknown Species 10-C’s point of origin was an interesting one. A field that size could conceal a small star system, as Admiral Vance suggested. But it could also hide something like a huge fleet of starships – or giant mechanical aliens. In my view, there are only a few likely candidates remaining from the long list I put together before Christmas. The technology required to create the DMA and the hyperfield seem to rule out factions like the Klingons, the Gorn, and others.

But there are still some known Star Trek factions with the potential capability of building something like this. I would point to the Borg, the super-synths from Picard Season 1, Enterprise’s Sphere-Builders, the Kelvan Empire from The Original Series (who are also an extragalactic faction), and possibly others like Species 8472, V’Ger, the Q Continuum, or the Terran Empire.

How about Species 8472?

I confess that I feel a sense of déjà vu right now. In Season 3, I theorised and speculated about possible culprits behind the Burn, and a lot of the same names and factions were in the frame then, just as they are now. The Burn ultimately went in a very different and unpredictable direction, and I feel that Unknown Species 10-C could end up in a similar place as a brand-new faction altogether. Because of the mysterious nature of the story, and how long it’s been rumbling on, would that feel like an anticlimax? If Discovery encouraged fans to guess and speculate about who Unknown Species 10-C are, would it be disappointing if the answer was “someone new that you could never have guessed?” I can’t shake the feeling that it might be.

For a more detailed look at the suspects mentioned above, as well as a few less-likely contenders, check out my full list by clicking or tapping here.

Theory #9:
President Rillak knows what the DMA is and may be implicated in its creation.

President Rillak, leader of the United Federation of Planets.

I will admit that, as things stand at the end of All In, President Rillak is looking less and less likely to be involved directly with Unknown Species 10-C and the DMA. But there’s still time for a connection to be revealed!

In short, President Rillak’s single-minded goal of reuniting the Federation may be well-served by providing the disparate members with an enemy or a problem to unite against. The DMA has already accelerated Ni’Var’s membership, and President Rillak even got to speak with a representative from Earth – so if she is involved somehow, her scheme is already paying dividends. At the very least, I think it’s fair to say that this complex, somewhat Machiavellian character is not letting the crisis go to waste, and is politicking off the DMA’s trail of destruction.

President Rillak with Captain Burnham on Ni’Var.

In her dealings with Captain Burnham, I’d argue we’ve seen this Machiavellian edge to President Rillak. In the Ni’Var negotiations depicted in All Is Possible, and again for a second time in But To Connect, President Rillak used Captain Burnham to advocate positions that would’ve been politically or diplomatically difficult for her to do openly – effectively manipulating those events from behind the scenes.

In light of all of this, I would hope that Captain Burnham will tread carefully with President Rillak. She seems the type who would happily throw Burnham and the USS Discovery under the bus if it suited her political and/or diplomatic ends. If someone like that felt that unleashing the DMA, or failing to warn everyone that it was coming, would be to her advantage, I can absolutely see her seizing on that opportunity, too. There are myriad ways in which we could connect her to the DMA, even if she didn’t order its creation. She could be in cahoots with Unknown Species 10-C, she could have learned about the DMA and chosen to cover it up, or something else that she believed was in the Federation’s long-term interests.

Theory #10:
Michael Burnham won’t remain captain of the USS Discovery.

Captain Burnham.

One of the unique aspects of Discovery within Star Trek’s broader canon is that the ship has been commanded by four very different individuals across its four seasons. Captain Burnham is different from Saru, Saru was different from Pike, and Pike, in turn, was different from Lorca. It has to be considered at least a possibility – albeit a remote one, perhaps – that the series will continue this trend.

Now that we know that Season 5 is definitely happening, one possibility is that Captain Burnham will somehow leave the ship at or around the end of Season 4, making way for a brand-new commanding officer to take over. Because she’s been the show’s protagonist since Season 1, it seems unlikely, and the overall arc of Discovery between Season 1 and Season 3 can be read as Burnham’s redemption and ascent to the captaincy. But the show’s revolving door of captains may continue.

Burnham in The Examples.

I’m not really in favour of this, but it’s certainly interesting to consider. The episodes But To Connect and All In definitely showed us how conflicted Burnham feels with regards to Book; she’s torn between her duty and the person she loves. Maybe she will have the strength to do what she believes is right during the DMA crisis, but will resign afterwards, unable to contemplate doing the same thing again and wanting to return to her simpler life with Book. This wouldn’t be a bolt from the blue, as we saw her wrangling with these feelings in Season 3.

Alternatively, Burnham could be promoted, taking up a senior role within Starfleet either at Federation HQ or on a new flagship. We already know that she had been in the running for the captaincy of the USS Voyager-J, so maybe she’ll convince President Rillak, through her work on the DMA, to reconsider her for that role. In short, there are ways her departure could be handled in a way that would feel natural – just like Tilly’s departure did earlier in the season.

Theory #11:
The Guardian of Forever will be back.

The Guardian of Forever as it originally appeared.

I’m close to retiring this theory. In short, I had suggested that the reintroduction of the Guardian of Forever in Season 3 could mean that we’ll encounter the timeless entity again in Season 4. It would be nice to bring back Paul Guilfoyle, who played the Guardian’s humanoid avatar in the Season 3 two-parter Terra Firma.

However, it seems as though the DMA/Unknown Species 10-C story isn’t going in that direction. It would make sense, in a way, for Captain Burnham to seek out the Guardian to ask it about the DMA and Unknown Species 10-C – it may well know something about what’s going on that could be helpful. But the best time to have done that would have been earlier in the season. There are still ways in which the Guardian of Forever could be included, though, so although I’m close, I’m not dropping it just yet.

Theory #12:
Tarka will create his own DMA.

Tarka and Stamets with their DMA model.

In The Examples, Tarka – aided by Stamets – created a working replica of the DMA, albeit on a smaller scale. According to Reno, this recreation came very close to destroying the entire ship! Now that Tarka has isolynium, could it be possible that he will create the DMA – either intentionally or accidentally?

Because of the DMA’s wormhole technology, it doesn’t seem like too much of a stretch to think it could travel through time as well as space, meaning a possible time-loop story is on the cards. It’s got to be at least possible to think that throwing a massive bomb at the DMA could have unintended consequences – if, that is, Tarka actually intends to build a bomb! He might see the DMA’s technology and seek to replicate it, creating his own DMA as a means to break through into the parallel universe he’s aiming to reach.

Theory #13:
Tarka’s “friend” is directly involved with the DMA.

Stamets, Tarka, and Saru with the DMA model.

Though we didn’t learn a lot more about Tarka’s friend in All In, from what we do know about them – their scientific background and desire to travel to an alternate reality – they could be a candidate for building the DMA. Unknown Species 10-C could, perhaps, be a single person, or Tarka’s friend could have worked with them, trading their scientific knowledge for Unknown Species 10-C’s power-generating technology.

Like with President Rillak, there are different ways this involvement could work, and different degrees to which Tarka’s friend could be implicated. But one thing is clear: Tarka knows a lot about the DMA, probably more than he’s been willing to share. That knowledge has to have come from somewhere, right? Maybe his friend told him about this technology before they got separated.

Theory #14:
Book will find Kyheem and Leto on the other side of the DMA.

Book with Leto and Kyheem shortly before the destruction of Kwejian.

In Star Trek: Generations, Captain Picard encountered Captain Kirk inside the Nexus – despite Kirk being declared “dead” after the Enterprise-B encountered the energy ribbon almost eighty years earlier. Now that we know a little more about how the DMA operates, it seems at least faintly possible that, just like Captain Kirk, the inhabitants of Kwejian may not be as dead as they first appear.

This theory is, I freely admit, a bit of a long-shot. But the wormhole technology that we know the DMA uses seems to be capable of sending some of what it harvests or mines back to Unknown Species 10-C’s base of operations. Maybe that means that some of the people from Kwejian were transported there instead of being killed.

So those theories are new or saw movement this week.

Now we’ll recap all of the other theories currently in play! It helps to keep the list complete and in one place, so that we can update and cross off theories as we go!

Theory #15:
Tarka aims to travel to the Kelvin universe.

This scene in Terra Firma, Part 1 referenced the Kelvin universe.

There are many parallel universes, as Tarka reminded us in But To Connect. Though Star Trek has shown us a number of different parallel universes before, the biggest one that comes to mind (aside from the Mirror Universe) is the Kelvin timeline, in which the three reboot films were set.

A fourth Kelvin film may or may not be happening, but even if it does the setting remains ripe for further exploration. We don’t know how far the Kelvin timeline and the prime timeline will have diverged, and whether it operates like the Mirror Universe with every character getting their own alternate counterpart. If it does, perhaps Tarka met his own Kelvin timeline counterpart and that’s how he cooked up this scheme. If the Kelvin timeline diverged significantly from the prime timeline it stands to reason that the Burn never happened there. We also got an oblique Kelvin timeline reference in Season 3 – could that have been a hint?

Theory #16:
Some areas of the galaxy – such as the Delta Quadrant – avoided the worst effects of the Burn.

Adira and Stamets with a map of the Milky Way galaxy.

In But To Connect, President Rillak told us that the diplomatic summit she convened would bring together races from “all four” quadrants. Assuming she was referring to the familiar Alpha, Beta, Gamma, and Delta Quadrants that make up the Milky Way galaxy, this would count as our first mention of the Delta Quadrant in the 32nd Century. I didn’t spot any familiar Delta Quadrant races (or their emblems) amongst the assembled delegates, however!

I had previously speculated that the Burn may not have affected the entire galaxy equally, and that regions farthest away from the Verubin Nebula may have survived without much damage. I still think that this is a possibility – though whether Discovery will revisit the Burn in any depth, or visit the Delta Quadrant at all, remains unclear.

To see a full write-up of this theory, click or tap here.

Theory #17:
There will be a character crossover from a past iteration of Star Trek.

Star Trek has had some wonderful crossovers in the past.

Tarka’s friend could, as mentioned, be someone we’ve already met. But there are other ways to bring back a character from a past iteration of the franchise – and there would be many potential benefits to doing so! I had initially proposed a version of this theory in the run-up to Season 3 that centred on the Doctor from Voyager – but with some creative technobabble, practically anyone could be included, despite the leap forward in time.

Choose To Live showed us the Abronians in cryo-sleep, and Stormy Weather saw the crew of Discovery use the transporter buffer to survive – just like Scotty had done in The Next Generation Season 6 episode Relics. Could these be hints at something to come?

It would also be possible for Captain Burnham to discover the logs or a holographic recording of a long-dead character – and while this would be less of a “crossover,” it could still be a ton of fun and great fan-service!

Theory #18:
Season 4 will connect with the Short Treks episode Calypso.

Zora dancing with Craft in Calypso.

Zora’s status as a member of the crew was confirmed in But To Connect, and this followed her developing emotions and sentience earlier in the season. Zora is now much closer to her presentation in Calypso, potentially bringing the story of the Short Treks episode one step closer.

There are still significant hurdles to overcome if the story of Calypso is to be wrapped up in Season 4, though. Obviously we have the timeframe issue: will the USS Discovery be sent back in time, be abandoned, or is Calypso taking place centuries in the future? Then we have the USS Discovery itself – it’s been retrofitted since arriving in the 32nd Century, and now looks very different to how it did in Calypso. I’m not sure how Discovery will overcome these hurdles – but it’s possible. It feels like a proper link-up with Calypso is edging closer week by week.

Theory #19:
A major character will be killed off.

Spock’s funeral in The Wrath of Khan.

Lieutenant Tilly’s departure in All Is Possible definitely shook up the cast. And Gray’s departure in But To Connect may do so as well. However, I stand by what I said before the season aired: killing off a character can be a great way to demonstrate the dangerous nature of the circumstances that the crew have found themselves in. So far, despite tangling with the DMA on several occasions, only a couple of redshirts have lost their lives.

In Stormy Weather, Dr Pollard raced through the corridors of the USS Discovery to reach a hull breach. Shortly after she arrived, a redshirt was blown out into space – but Dr Pollard survived. Although moments like this can make it feel that Discovery is shielding its main and secondary characters with some pretty heavy plot armour, I still feel that there’s scope to see a major character death before the season ends.

If you want to check out my pre-season “death predictions,” in which I speculated about which characters may or may not be in danger, you can find that by clicking or tapping here.

Theory #20:
The crew will have to defend the Verubin Nebula.

The dilithium planet is vital to the Federation.

Despite having grown to sixty member worlds, the Federation is still in a weakened state and isn’t yet back to full strength. The Verubin Nebula is thus a very tempting target for anyone looking to gain an edge in a galaxy where dilithium is still in short supply. As the only known significant cache of the valuable fuel, whoever controls the Verubin Nebula will have a massive tactical advantage.

It would begin to stretch credulity to think that everyone in the known galaxy would see the Federation rebuilding and having access to dilithium and not want to find out for themselves what’s going on. Once the Verubin Nebula’s existence becomes known, even if the Federation promises to share its bounty with all comers, it seems very likely that someone would want to take control of the dilithium supply for themselves.

Theory #21:
The ban on time travel will be explained in more detail.

The USS Enterprise was able to travel through time using the “slingshot method.”

This one is as much a hope as a theory right now! In short, the ban on time travel was introduced early in Season 3 primarily as a way for the writers and producers to avoid questions about why the 32nd Century was so different from how the far future had been depicted in earlier Star Trek productions, as well as to explain things like how the Burn was able to catch the Federation off-guard and why Georgiou couldn’t simply be sent back in time when she needed to.

But the ban itself raises some issues – the biggest one being the lack of detail on how it works and how something like this could possibly be enforced. As I said several times last season, it isn’t possible to just un-invent a technology so useful and powerful as time travel. Even just a few lines of dialogue going into a little more detail on the mechanisms involved in the ban would be really useful.

Theory #22:
The Federation has flouted the ban on time travel.

President Rillak may have tried to circumvent the ban if she felt doing so would be in the Federation’s interests.

Sticking with the time travel ban, another theory I had last season was that the Federation – and Section 31 in particular – might have deliberately flouted the ban and failed to abide by the rules. Someone as straight-laced and committed to Starfleet ideals as Admiral Vance is highly unlikely to have sanctioned such a move, but there are other Federation leaders – such as President Rillak – who could be implicated.

I don’t think it’s possible any more that the DMA story will be connected to the time travel ban, as I had previously proposed. But that doesn’t mean that a closer look at the ban, and the potential for the Federation to have tried to work around it, isn’t going to happen.

Theory #23:
Saru will be given the captaincy of the USS Voyager-J.

Captain Saru in command of the USS Discovery in Season 3.

Saru’s future was briefly discussed before he offered to serve as Captain Burnham’s first officer in the episode Anomaly. He has already been offered a command of his own, so Starfleet clearly values his command abilities and experience. President Rillak was seen to be assessing Captain Burnham’s suitability for the captaincy of the USS Voyager-J in Kobayashi Maru… and she mentioned having a shortlist of candidates. Could Saru be on her list?

Several of the qualities that President Rillak said she was looking for in a potential captain seem to apply to Saru. He’s more level-headed, less likely to put himself in a dangerous situation, and more inclined to think of the big picture. He has a weakness when it comes to Kaminar, as we saw toward the end of Season 3, but generally speaking he isn’t someone who lets his emotions get the better of him. His wisdom and calm demeanour could be valuable in the captain’s chair of the Federation flagship. This could also set the stage for his departure from the show, or possibly even for a new show following his adventures aboard his new ship.

Theory #24:
The Red Angel suits from Season 2 are connected to the DMA.

Captain Burnham’s Red Angel suit at the end of Season 2.

Unknown Species 10-C seem to be responsible for building the DMA. But it isn’t the first wormhole-creating technology that Discovery has introduced us to! The Red Angel suits in Season 2 were also capable of creating powerful wormholes… so could it be possible that Unknown Species 10-C built their device around or based on the same technology?

This revelation would greatly affect Captain Burnham, as she’d feel a degree of responsibility even though she wasn’t directly involved. It would also be the second disaster in a row (following the Burn) in which the Federation was implicated – albeit in an oblique way. I’m not convinced that Discovery will go down this route… but the similarities in the wormhole-creating technology gives me pause, at least.

Theory #25:
We haven’t seen the last of the Abronians.

I currently have four ideas for different ways that the Abronians – the non-humanoid race that Captain Burnham, Tilly, and the Qowat Milat helped save from cryo-sleep in the episode Choose To Live – could play a further role in Season 4.

Theory #25 A:
The Abronians’ homeworld was destroyed by the DMA.

Captain Burnham believes this image depicts a “supernova.”

After arriving at the Abronians’ cryo-ship, Captain Burnham found a stone carving that seemed to depict the destruction of the Abronians’ homeworld. This carving was only shown on screen briefly, but it seemed to show the planet being damaged or destroyed in a large explosion. Burnham credited the planet’s destruction to a “supernova,” and the story then raced ahead.

Considering that the main thrust of the season so far has been about the DMA, perhaps Burnham was incorrect: the Abronian homeworld was destroyed by the anomaly, not a supernova.

Theory 25 B:
The Abronians’ homeworld was on the “other side” of the DMA.

Abronian stasis pods.

Now that we know a little more about how the DMA works, this theory seems a little more plausible. Its powerful wormhole technology seems capable of transporting matter over many light-years, meaning it doesn’t seem to be a complete stretch to think that the Abronians may have originated in the vicinity of Unknown Species 10-C. They could even be Unknown Species 10-C!

One thing struck me as odd about the Abronians: the Federation was entirely unaware of them, despite the Abronian cryo-ship being relatively close to Federation space – such that Captain Burnham could reach it using Book’s ship in a short span of time. It’s possible that the Abronians had been asleep for millennia, unnoticed by the Federation and the wider galaxy for all that time. But it’s also at least possible that their cryo-ship is a newcomer to the area. If so, perhaps it arrived here via the DMA.

Theory #25 C:
The Abronians will return to help the Federation later in the season.

A deceased Abronian.

One of the themes of Discovery since Season 3 has been connection, including building connections between the Federation and other races and organisations. The Abronians were awoken from cryo-sleep thanks to the interventions of Captain Burnham and Tilly – at least in part – and they may seek to repay the Federation, or Captain Burnham personally, for that help.

We saw this play out last season with Ni’Var; in the season finale Ni’Var ships raced to the Federation’s aid as the Emerald Chain attacked. Perhaps the Abronians will likewise step up to help when the Federation needs allies.

Theory #25 D:
The Abronians’ moon-ship may be useful in a later story.

“That’s no moon…”

The Abronians’ cryo-ship is huge, and at least superficially seems to have the mass of a moon or small planetoid. If Captain Burnham and the crew needed a starship that large, such as to aid in the evacuation of a planet threatened by the DMA, for example, perhaps they’ll return to the Abronians and ask to borrow it.

As we saw in Choose To Live, the moon-ship was in full working order. All it needed was some extra dilithium to power up and it was perfectly capable of moving under its own power, and its computer systems were still functional. The only system that seemed to have failed was the wake-up timer! Discovery has precedent when it comes to telling seemingly one-off stories that have a pay-off later on, so watch this space. If Captain Burnham and the crew need a huge starship urgently, we may not have seen the last of the moon-ship!

So that’s the main theory list.

There is still one production-side theory in play, so we’ll recap that now before we wrap up.

Production-side theory:
Tilly’s departure will be permanent.

Tilly’s departure feels permanent.

Mary Wiseman confirmed in an interview with Wil Wheaton on The Ready Room (Discovery’s social media aftershow) that Tilly will be seen again before the end of Season 4, and we glimpsed her in the trailer for the second half of the season as well. But that doesn’t mean she will return as a main character on the show going forward, and her departure in All Is Possible felt permanent. Despite that, I’ve seen quite a lot of folks online who don’t believe that Tilly is actually leaving the series – so I wanted to put it out there officially and say that, in my opinion anyway, she is.

Maybe those people know something that I don’t! As I always say, I don’t have any “insider information;” all of this is just speculation on my part. However, I feel that the manner of Tilly’s departure, the fact that she got that emotional sequence with Captain Burnham, a montage showing her leaving the ship, Adira seeming to take over several of her roles, and her departure feeling like the culmination of her arc going back to the latter part of Season 3 all come together to strongly indicate that she won’t be back as a major character. She may yet have a significant role to play in a future Season 4 episode, as has been suggested, but unless Discovery’s writers are really playing with our emotions I believe we’ve seen Tilly’s end as a main character on the show. She may come back in a future Starfleet Academy series, though… so watch this space!

So that’s it!

Owosekun in the combat arena in All In.

It’s all still to play for as we move into the final five episodes of the season. There are several key stories to find resolutions to: the DMA, Unknown Species 10-C, the Book-Burnham drama, and more. There’s also plenty of time, in five episodes, for Discovery to take off on a side-mission or two, as well as to introduce completely new and unexpected story elements. It’s even possible that Season 4 will end on a cliffhanger now that we know Season 5 is happening… so perhaps none of the big stories will be resolved until 2023. Say it ain’t so, Joe!

Before we go, one final point. I write up these theories because I like Star Trek and I like writing. But for some folks, fan theories can hamper their enjoyment of a film or television show. It’s worth keeping in mind that most of these theories probably won’t pan out, and we have to be prepared for the fact that even the most well-constructed fan theory, no matter how fun and plausible it seems, simply won’t turn out to be true. If you find that speculating and reading theories is beginning to detract from your enjoyment of Star Trek: Discovery – or any other television show or film – it might be a good idea to take a break for a while.

Star Trek: Discovery Season 4 is available to stream now on Paramount+ in the United States, Scandinavia, Latin America, and Australia. The show is on Pluto TV in the UK, France, Germany, Italy, and other parts of Western Europe at 9pm on Fridays and Saturdays. Individual episodes or the full season can be purchased on iTunes, Amazon Video, Google Play, and possibly other platforms in the UK, parts of Europe, and select other countries. The Star Trek franchise – including Discovery and all other properties mentioned above – is the copyright of ViacomCBS. This article contains the thoughts and opinions of one person only and is not intended to cause any offence.

Star Trek: Discovery review – Season 4, Episode 8: All In

Spoiler Warning: There are spoilers ahead for Star Trek: Discovery Seasons 1-4 and Star Trek: Voyager Season 4.

After what seemed like a never-ending six-week break, Discovery has finally returned to our screens! I don’t necessarily mind a mid-season break in principle, but the way Discovery’s was handled was poor from ViacomCBS and Paramount+. Being announced with mere days to spare seems intentional, as if it were deliberately designed to make sure that fans had no opportunity to cancel or suspend their Paramount+ subscriptions. We’ve talked on several occasions recently about the need for ViacomCBS and Paramount+ to get a grip and demonstrate that they’re serious about this whole streaming business – and randomly announced, unscheduled mid-season breaks are not a particularly good look.

The six-week break opened up a gap for Star Trek: Prodigy, though – and if you skipped it or didn’t want to check it out because it’s billed as a show for children, do yourself a favour and reconsider! Prodigy was fantastic, and managed to be a series that really embodied the spirit of Star Trek. Unfortunately it’s only available “officially” if you live in the United States (even Paramount+ in Australia didn’t broadcast the full ten episodes for inexplicable reasons) but I daresay you can find a way to watch if you so choose. Check out my spoiler-free review of Prodigy Season 1, Part 1 by clicking or tapping here.

If you missed Prodigy, go back and check it out. I can’t recommend it highly enough.

So let’s talk about All In. The episode had a very strong “Star Wars” feel for the most part, with the gamblers’ den that served as the main setting definitely taking its cues from comparable locales in the Star Wars franchise. The Karma Barge felt like Star Trek’s answer to the Mos Eisley cantina in the original film, complete with shady aliens, drinking, gambling, and criminality – all under the watchful eye of a charismatic crime boss. And I can’t be the only one to notice the similarity between the way the names of Haz Mazaro and Star Wars’ Maz Kanata sound, can I?

I don’t object to these kinds of “out of bounds” places existing in Star Trek, and we’ve seen lawless settlements and shady saloons in basically every iteration of the franchise in some form or another. It’s a trope from westerns that the franchise inherited going all the way back to its inception. In the context of a post-Burn galaxy it makes sense that places like this would exist and would be popular with a certain proportion of the population. I guess the only real thing to say is that this Karma Barge was definitely more Mos Eisley cantina than Quark’s – and that’s a choice that the show’s writers and producers made.

The Karma Barge felt like something lifted from the Star Wars franchise.

After a break of six weeks, putting Book and Burnham back together makes a certain kind of sense. There are only another five episodes to resolve everything before we get to the end of the season, after all. But if we watch But To Connect and All In back-to-back, and take into account statements made by President Rillak in particular about the in-universe passage of time, the story feels pretty weak. All In kicks off mere hours after the events of But To Connect, and although it arguably says something about the connection or similarities between Book and Burnham that they both chose to visit the same location… it makes the story feel incredibly contrived.

Also, considering the major contrivances required to simply get these two in the same room, I’m not sure this pretty weak story setup actually accomplished very much. Book and Burnham are no closer to resolving their feud than they were at the end of But To Connect, and in some ways are a step further apart having tried and failed to talk it out. I think we needed at least one episode in between But To Connect and the Book-Burnham reunion to really let things sink in for both of them, so going from that conflict over the vote last time (which was itself a rather weak premise that could have been easily resolved) to this episode, with another phase of the conflict in a pretty contrived setup, leaves me struggling to find many positive things to say.

Book and Burnham were reunited.

If All In had been a stronger episode overall, with a stronger central premise, perhaps some of those feelings would’ve melted away. If we’d spent longer getting to the Book-Burnham reunion, or if the gambling storylines were better written (to put it bluntly) I could’ve seen myself getting to a place where it would’ve been possible to write off some of these contrivances. But as you can probably tell already, I felt that All In’s story was, once we cut through the contrived fluff, not an especially strong one.

Book and Tarka definitely got the better and more interesting part of the story, as they had to earn the magical macguffin molecule by tracking down a cheater in the gamblers’ den. Though All In skipped over much of Tarka’s process as he tracked down the changeling and modified a piece of equipment to trap them, it was a neat premise and one that, for lack of a better term, had a very “Star Trek” feel to it in what was, as mentioned, a setting that definitely drew on other sci-fi/fantasy influences. As an aside, I don’t think this changeling was a Founder – there are other shape-shifting species in Star Trek, and the way this changeling switched forms didn’t remind me of Odo in any way.

Tarka caught a changeling gambling cheat.

We also got to see glimpses of how well Book and Tarka actually work as a duo. In a scene at the tail end of The Examples we got to see them together for the first time, albeit briefly, and But To Connect showed them coming together to try to win the vote. But it was here, for the first time, that we really got to see their dynamic as a dysfunctional duo – and it works remarkably well. Shawn Doyle and David Ajala play off one another’s strengths beautifully, and they do an excellent job at showing how these two characters have such radically different motivations for undertaking this mission.

There was a moment later in the episode which seemed to hint at Tarka perhaps having some kind of emotional draw to the “friend” he told Book about in But To Connect that arguably goes beyond “just” friendship. It’s possible that this character is a love interest for Tarka, which could be an interesting development if: a) this character is still alive, and/or b) they’re someone we as the audience might be familiar with. Neither of those points is guaranteed, so this could be a red herring that doesn’t go anywhere significant.

Did Owosekun touch a nerve when she pressed Tarka about his “friend?”

That scene between Tarka and Owosekun was cleverly-written, though, and I honestly can’t tell if Tarka was responding to Owosekun with genuine emotion or was feigning it in some kind of double-bluff. He’s an egotistical man, that’s something we’ve known since even before we first saw him on screen, but whether he’s capable of lying and manipulating at that level to throw people off-balance is unclear right now.

All In was a good episode for Owosekun, giving her a storyline comparable in scale, at least, to Detmer’s in Season 3. A lot of folks have complained about Discovery not making good use of its secondary cast – the bridge crew in particular – so this might be the writers and producers responding to those criticisms. A similar role could have been created for Burnham or several other main cast members – so the choice to put Owosekun in this situation was definitely a deliberate one.

All In gave Owosekun her biggest role in the season thus far.

It was definitely a sweet moment to have Burnham and Owosekun paired up, and they worked well as a character duo for this part of the story. The moment between them on the shuttle was perhaps the strongest, at least from an emotional point of view, and aside from episodes like Explorers, where Captain Sisko and Jake went on their own adventure, it’s got to be one of the very few missions in Star Trek’s 800+ episodes where both principal characters were black. Add into the mix Book and the only non-black participant in this story was Tarka.

Unfortunately, though, I felt that Owosekun’s big fight was not well-constructed. This was the central turning point of the mission for her and Burnham, and there are basically two ways to interpret what happened. Either Owosekun was, as her rivals later alleged, essentially hustling the fight by throwing the first two rounds – which I don’t believe, based on the extent of her injuries and her interactions with Burnham – or the fight was simply badly-written and poorly-filmed, not allowing us as the audience to see any of the process involved as Owosekun presumably tried to figure out how to outplay her opponent.

Owosekun’s fight sequence was not well-constructed.

From where I was sitting, here’s how it looked like the fight went down: Round 1, Owosekun got her butt kicked incredibly easily by a far larger, stronger opponent. Round 2: the exact same thing happened. Round 3: out of nowhere, and with all of their money on the line, Owosekun suddenly became 10x stronger and was able to win by magic.

We needed to see something – anything, really – to indicate what was going on. Was Owosekun using the first two rounds to spot weaknesses or patterns in her opponent’s fighting style that she later exploited? If so, that was subtle to the point of being hidden. Was she, in fact, hustling, knowing that the odds would get better with each defeat? Again, if so, that was not communicated to us as the audience. Fights don’t work like this in any contact sport in the real world – so either the explanation is childish writing, saying that Owosekun “got good” at the perfect moment, or the explanation is bad writing and/or filming and editing, meaning that essential elements of the story were simply not well-communicated to us as the audience.

Owosekun on the ropes with her opponent in the background.

In a story that was already choked by the contrivance of Book and Burnham finding their way to the same place within hours of the events of the previous episode, the poor way in which the fight was executed on screen added to the sense that All In was just not working very well. It was exciting in the moment, I will happily concede that point. And Oyin Oladejo did a creditable job at making me feel that Owosekun was in danger, but determined. Combined with her scene with Tarka later on, it was her best episode of the season so far, and her best performance since That Hope Is You, Part 2 in Season 3. It’s just a shame that the material itself wasn’t particularly strong.

The final part of the episode depicted a card game with Burnham, Book, and two nobodies, with the magical macguffin molecule on the line. And here’s a piece of free advice to the writers of Star Trek, Star Wars, or literally any other sci-fi or fantasy franchise: if you’re going to make a card game an essential part of your story, either make it a familiar card game or explain the rules. Spending nearly ten minutes watching people play a card game that was impossible to follow because it used different designs for the cards and different rules was not entertaining in any way, and this sequence was the episode’s weakest by far.

Haz Mazaro and Burnham at the card table.

The game was called Leonian poker, and despite the “poker” moniker, the rules were not explained at all. The non-face cards had a vaguely familiar design, but were different enough that it wasn’t easy to see at a glance who was winning or who had a strong hand. And this sequence dragged as a result. Now I will freely admit that watching professional poker is not something I care about in the slightest, but at least if I do watch a poker game I know the rules and can follow what’s going on. Here, a combination of the card designs, lack of clarity over the rules, and the pacing of the sequence itself meant that it was impossible to follow what was happening. This led to a deeply unsatisfying feeling of being on the edge of my seat hoping Book and Burnham could defeat the “Emerald Chain holdouts,” but not knowing what was going on or who was in a good position. The entire sequence was just frustrating.

When designing any kind of fictional card game, it needs to either have its mechanics explained, or be visually very easy to follow – or ideally both. This game, while it may or may not have followed the basic rules of poker, was neither explained nor visually simple enough to be intuitively understood, and I think it’s that combination that detracted from this sequence. If it had been a shorter sequence it might’ve worked better, but it lasted almost eight minutes – and those minutes really did seem to drag.

I found the card game frustrating and difficult to follow.

The upshot of all of this was that Book won the game, meaning that he and Tarka could escape with the magical macguffin molecule. I think there was something at least somewhat visually underwhelming about this isolynium, too, that made the stakes of the whole gambling operation – and the threat from Burnham that Book was crossing a line that he “could never come back from” – feel a bit anticlimactic.

In the real world, of course, we have materials like plutonium and uranium which don’t look like much, but are very dangerous, and isolynium is clearly modelled after elements like those. But it doesn’t make for a visually impressive presentation in the way that, say, a barrel of glowing, pulsing, neon pink goo might have had. That’s a deliberate aesthetic choice on the part of the show’s creators – but coming in an episode that had a number of other weak elements, the fact that the highly sought-after prize that all of our characters were desperate to procure was a vial of nondescript metallic flakes no bigger than a coffee mug was definitely an anticlimax. I didn’t know what to expect from isolynium – as far as I know the material is new to Star Trek – but the way the magical macguffin molecule was presented felt like a bit of a let-down in visual terms. Discovery has done some exceptionally interesting things with some of its visual effects across all four seasons, including in a number of unimportant or background areas. For something so vital to the plot to be so visually uninspired made this moment underwhelming.

The isolynium – the macguffin at the centre of the episode’s story – was visually unimpressive.

All of this led us to Book and Tarka taking the magical macguffin molecule and leaving, planning to build the weapon. I don’t really see what was stopping Burnham having the USS Discovery on standby to jump in and try to apprehend them after they’d left the barge (which was, understandably, neutral ground). But I suppose that’s a bit of a nitpick. Technologies like the Spore Drive can feel kind of overpowered, so using them sparingly is probably no bad thing! What’s the betting, though, that Tarka already figured out about the tracking device and leads Burnham and the rest of Starfleet to a dead-end? Maybe I’ll save that one for my theory update!

The conflict between Rillak, Vance, and Burnham was one that had the potential to be interesting, but it strayed very close to feeling as though Rillak in particular, but also Vance, were lashing out at Burnham for something that she couldn’t have reasonably been expected to predict. Book’s turn in But To Connect was sudden, and their theft and escape came 90% from Tarka – he was the one who stole the Spore Drive prototype. I can understand the frustration that Rillak in particular would have as she tries to keep the Federation united, and I think Chelah Horsdal did a good job portraying that complex emotional state.

Vance and Burnham during their meeting with President Rillak.

It was also somewhat of a rarity to see Admiral Vance get a bit of a dressing-down from the Federation President. We’ve usually seen Vance very composed and in control, but this situation has exposed a vulnerability for him, as he fears not being able to see his family – or even for their safety – in the event of war with Unknown Species 10-C. Again, a stellar performance from Oded Fehr communicated Vance’s emotions expertly. I also liked that Vance was willing to find loopholes and bend the rules for Burnham, something that I think he would never have considered under normal circumstances.

As the episode was drawing to a close we got a tiny tidbit of information about Unknown Species 10-C. Much of the rest of the episode felt like a detour, so it was important in the closing moments to advance the season’s main story in some way. The revelations this week were that Unknown Species 10-C appear to have some method of cloaking an entire star system – making them far more powerful than the Federation had been anticipating – and that the DMA is designed to harvest a particular particle: boronite. This could be a reference to the Voyager episode The Omega Directive, in which boronite was said to have been used by the Borg to synthesise an omega molecule – one of the most powerful substances in the Star Trek galaxy.

Unknown Species 10-C live here.

This sequence was cut a little short for me; I felt Discovery could have made more of the explanation of this new angle. The DMA being akin to a mining tool confirms what I’d been suspecting – that it isn’t a weapon – but the scene in which this was explained was very short on detail. Burnham makes huge assumptions based on only a few pieces of information, and may not have the complete picture. For storytelling reasons I daresay her assumptions are accurate and I’m not expecting any of it to be reversed or undone, but I feel like a longer sequence with a bit more time for debate and discussion could have got us to the same place in a bit more of a believable way.

Finally, one of the more understated moments in All In was actually one of the best. Dr Culber had been feeling overwhelmed with his role as ship’s counsellor, and that slow build finally boiled over in what was a rare emotional moment in an episode that had its focus elsewhere. The sequence between Dr Culber and Stamets in their quarters was tender and sweet, and reinforces how the pair really are Discovery’s emotional core.

Dr Culber finally got to confront some of his bubbling emotional issues this week.

It also tapped into a theme that Discovery has been running all season – and going back to last season, too: trauma. Different members of the crew have come to stand for different responses to trauma and different parts of the grieving process. We saw Tilly choose to take a very different path, leaving the ship. Gray returned to Trill to try to pick up the pieces of his training. Book had been most strongly affected by grief and ended up going down a dark path. And in Dr Culber’s case, he’d been throwing himself into his work at the expense of taking care of himself.

Feeling that he had failed Book, and also failed to prevent Book from taking the actions he took in But To Connect, Dr Culber was blaming himself and taking it as a personal failure. Stamets seemed to be able to get through to him, though, and that’s definitely a positive thing. Showing how love can cut through moments like this is something that we’ve seen Discovery do on occasion, and it was powerful here.

Stamets and Culber took some time away from work.

So I think that’s it for All In. Overall, I’d say it was a bit of a disappointment, despite some individually strong performances and well-constructed moments. The central conceit of putting Book and Burnham back together in such a random way didn’t work for me, and as a result much of the drama at the gamblers’ den felt contrived. The climactic card game was too difficult to follow, leading to a sequence that dragged on far too long and was frustrating to watch, and when All In did find time for fun or interesting moments, they tended to be cut short in favour of returning to the contrived, less-interesting side of the story.

I don’t want to say this is “the worst episode of the season,” because that makes it sound like I hated it and it was irredeemably terrible. I don’t think All In was an awful episode; it’s certainly streets ahead of the likes of Season 2’s The Red Angel. But it was a bit of a let-down, and a weak reintroduction to Discovery after its six-week break.

With only five episodes remaining, there’s still a lot of work to do; All In didn’t move the needle in a major way. Tarka and Book are still on the run, planning to build their weapon. Unknown Species 10-C is still out there and still hidden. The DMA is still doing its thing, flitting about the galaxy. And Starfleet is still two steps behind both. It will take a lot to bring Season 4’s storylines together and start wrapping things up! I hope Discovery is up to the task.

Star Trek: Discovery Season 4 is available to stream now on Paramount+ in the United States, Scandinavia, Latin America, and Australia. The show is on Pluto TV in the UK, France, Germany, Italy, and other parts of Western Europe at 9pm on Fridays and Saturdays. Individual episodes or the full season can be purchased on iTunes, Amazon Video, and possibly other platforms in the UK, parts of Europe, and select other countries. The Star Trek franchise – including Discovery and all other properties mentioned above – is the copyright of ViacomCBS. This article contains the thoughts and opinions of one person only and is not intended to cause any offence.

Star Trek: Discovery theories – week 7

Spoiler Warning: There are spoilers ahead for Star Trek: Discovery Seasons 1-4, Short Treks, Star Trek: Picard Season 1, Star Trek: Lower Decks Season 1, and for other iterations of the Star Trek franchise.

Because Discovery is currently taking an unscheduled six-week break, I was in no rush to update my theory list! The second half of Season 4 won’t air until the 10th of February (or the 11th here in the UK), so there was more time than usual to consider the implications of the most recent episode: But To Connect.

But To Connect worked well as a mid-season finale, even though some of its story points weren’t my personal favourites and some of the drama felt rather contrived. We have some interesting questions to consider about Ruon Tarka in particular, as the Risian scientist told us some very interesting and unexpected things.

This week we have three retiring theories and one confirmation. As always, we’ll look at those first before we jump into the main list.

Retired theory #1:
Dr Kovich is an agent of Section 31.

Dr Kovich.

Though Dr Kovich’s role within the hierarchy of Starfleet and the Federation is still unexplained, after But To Connect I think we can finally retire this theory – one which I’d been holding on to since we first met the character in Season 3.

Dr Kovich’s early interactions with Georgiou in particular seemed to show him as someone morally ambiguous to the point of being uncaring; he knew that Georgiou’s health was going to fail, yet did nothing to warn her or Captain Saru. Combined with his stoic demeanour and a sense that he wasn’t telling us anywhere close to everything he knew, I speculated that he could be an operative – or even the head – of shadowy organisation Section 31.

Dr Kovich’s first appearance seemed to set him up as a mysterious, morally ambiguous character – perfect for Section 31.

There was the potential for some kind of tie-in with the Section 31 series, but with that project seemingly being shelved (at least for now), that doesn’t seem like it’s a consideration for the writers and producers in charge of the overall direction of the Star Trek franchise. In fact, we haven’t seen any mention of Section 31 explicitly since Season 2.

We’ve seen Dr Kovich as a psychologist, working with Starfleet Intelligence, having a say in the running of Starfleet Academy, and now as an expert in the field of AI. Whoever he is, and whatever formal title or position he holds, I think we can finally rule out Section 31. Dr Kovich has turned out, to my surprise I must confess, to be one of the true believers in the goals and ideals of Starfleet – something he demonstrated clearly in But To Connect through his interactions with Zora and Stamets.

Retired theory #2:
Zora will go rogue.

Zora with Captain Burnham in Stormy Weather.

There is still an open question surrounding Zora’s burgeoning sentience, and what that could mean for Captain Burnham, the crew of Discovery, and indeed the rest of Starfleet. Whether this is something Season 4 will find time to tackle, or whether Zora will be dealt with in more detail on another occasion isn’t clear right now – but I think what is clear from what we heard in But To Connect is that Zora is firmly on Starfleet’s side.

Especially after Zora’s refusal to follow orders in Stormy Weather – a moment that came with a throwback to HAL 9000 from 2001: A Space Odyssey – I was somewhat nervously awaiting Zora going completely rogue, perhaps even doing something to endanger the ship and crew.

Zora in But To Connect.

Though Zora’s refusal to share the co-ordinates of the DMA’s origin seemed, at first, to confirm my suspicion that this was the direction of travel for this storyline, Discovery ended up turning it around over the course of But To Connect, reassuring Zora that she could trust the crew of Discovery, and reassuring us as the audience that our heroes can trust her as well.

This was cemented by Zora sharing the co-ordinates of the DMA’s origin, but also by Zora being given an official role as a Starfleet mission specialist – the same loophole that brought Burnham aboard the ship after her mutiny in Season 1. Zora has started the process of becoming a more significant character on the show – something that I’d like to see continue in future episodes, as I kind of like the idea of the crew and ship working in tandem. It gives me Farscape vibes!

Retired theory #3:
Captain Burnham and the crew will encounter the Klingons.

Kol, a 23rd Century Klingon leader.

If we were going to see the Klingons this season, I think the diplomatic summit in But To Connect would have been where it happened. With the DMA seeming to be of extragalactic origin, it doesn’t seem like the Klingons will turn out to be the mysterious Unknown Species 10-C, either. So I’m choosing to retire this theory for now.

I don’t know why we haven’t seen any 32nd Century Klingons since Captain Burnham and the crew arrived last season. It’s possible that Discovery’s writers feel they’ve done all they can with the faction and want to move on to other stories, but having a Klingon or two as minor characters at key moments like the diplomatic summit wouldn’t get in the way of that. So I confess that I’m not sure why we haven’t seen any Klingons lately – but it doesn’t seem like we’re going to this season.

Confirmed theory:
Captain Burnham’s war experiences from Season 1 will come into play.

Captain Burnham in But To Connect.

In But To Connect, we saw Captain Burnham arguing in favour of a less-aggressive posture toward the DMA. She drew on her own experiences with the Klingons, in part, to inform this decision. While Book and Tarka argued for attacking the DMA with their new weapon, Burnham was one of the key voices advocating for a peaceful stance and to try to make first contact with Unknown Species 10-C.

It’s reasonable to plan for worst-case scenarios, and as I argued in my review of But To Connect, the two contrasting approaches to the DMA didn’t have to be a zero-sum game. It would have been possible to take a more balanced position, as Discovery has tried to do all season long, in which the DMA-stopping weapon was built while the Federation also made an attempt at peaceful first contact. But regardless, I speculated last week that Burnham would be the one to argue for making an attempt at peaceful first contact, reminding everyone that no one currently knows what the DMA is supposed to be nor what the intentions of its creators were. And that’s pretty much what she did in But To Connect.

So those theories are done!

Now we’re going to jump into the main list, starting with a few new theories and a few theories that saw movement in But To Connect.

Theory #1:
Ruon Tarka’s mysterious “friend” is someone we’re already acquainted with.

I’m sure that’s how Tarka would’ve typed if he’d used MSN Messenger circa 2002.

Why did Ruon Tarka avoid naming his “friend” when Book asked him about it? Tarka’s friend is supposedly one of the major motivating factors in him wanting to stop the DMA – he wants to use the power source at its centre to “punch through” to a parallel universe in the hopes of meeting up with this person. But when Book asked him who this individual was, Tarka tried to ignore the question.

This could be a complete over-reach, but I wonder if the reason for the secrecy is because Tarka’s friend is someone who we as the audience are already familiar with. This could be someone from Discovery, or it could be someone from a past iteration of Star Trek. Given that Tarka wants to travel to a parallel universe, perhaps his friend is the counterpart from that universe to someone we’re familiar with.

I put together a short list of possible candidates for being Tarka’s mysterious friend, and you can find it by clicking or tapping here.

Theory #2:
Tarka aims to travel to the Kelvin universe.

The USS Kelvin, namesake of the Kelvin timeline.

There are many parallel universes, as Tarka reminded us in But To Connect. The Mirror Universe is one that we’re familiar with from Discovery and from past iterations of Star Trek – but Tarka seemed to suggest that that isn’t his destination. In addition, Dr Kovich told us in Season 3 that travel to and from the Mirror Universe is no longer possible as of the 32nd Century.

Though Star Trek has shown us a number of different parallel universes before, the other major one that comes to mind is the Kelvin timeline (also known as the “JJ-verse”) in which the three reboot films were set. 2009’s Star Trek showed us the point of divergence; the moment at which this universe and the prime timeline separated: the arrival of Nero and his attack on the USS Kelvin. Star Trek Into Darkness and Star Trek Beyond furthered our understanding of that universe somewhat.

Kirk and Spock in the Kelvin timeline.

A fourth Kelvin film may or may not be happening, but even if it does the setting remains ripe for further exploration. We don’t know how far the Kelvin timeline and the prime timeline will have diverged, and whether it operates like the Mirror Universe with every character getting their own alternate counterpart. If it does, perhaps Tarka met his own Kelvin timeline counterpart and that’s how he cooked up this scheme.

Though Tarka is correct about the multitude of different universes and realities, of all the ones we’ve spent a significant amount of time with thus far in Star Trek, the Kelvin timeline seems the most likely destination. Compared to the likes of the Mirror Universe it’s safer, and if it diverged significantly from the prime timeline it stands to reason that the Burn never happened. We also got an oblique Kelvin timeline reference in Season 3 – could that have been a hint?

Theory #3:
Tarka’s friend made the DMA.

Tarka and Stamets made a model DMA.

How does Ruon Tarka know so much about the DMA and its inner workings? It’s true that he got data from the USS Discovery’s mission, from the scans Book’s ship took, and from other sources, but even so he seems to have been able to figure out the precise mechanisms by which the DMA operates incredibly quickly. This leads me to suspect that he may know more about it than he’s willing to say.

We should acknowledge a production-side explanation here. The way Discovery Season 4 has been written and edited has seen a number of key moments in the DMA storyline blitzed through incredibly quickly. As the audience, we’ve been parachuted in just in time to see key moments: Stamets’ proto-wormhole theory, the DMA being an artificial construct, the DMA coming from outside of the galaxy, and the discovery of its origin point. The fact that these key moments happened in relatively short sequences with not a lot of setup adds to this sense that people like Tarka seem to have accumulated a lot of information about the DMA very quickly, and we should acknowledge that he claims to have been working on this problem off-screen for many weeks, if not months.

Tarka and T’Rina with a hologram of the DMA.

So there is that caveat. But something about the way Tarka stormed aboard the USS Discovery in The Examples with clear blueprints for building a scale model of the DMA did give me pause. And then in But To Connect, his plan to disable it (but not destroy it) using a very specific type of weapon also seems to have come along at a very convenient moment.

In short, I’m speculating that Tarka knows more about the DMA than he’s letting on, and that his friend may be involved in its creation. If his friend is from a parallel universe, they may have even built the DMA specifically to help Tarka travel there. In The Examples, Book accused Tarka of knowing who made the DMA, which could be a further piece of evidence.

Theory #4:
Book and Burnham will get back together.

Book and Burnham earlier in the season.

If there’s one thing that I’d cut from Season 4 it would be the unnecessary insertion of more Burnham relationship drama. After everything she went through with Ash Tyler in Seasons 1 and 2, finding a way for her to feel settled was a huge net positive for the series. She doesn’t need to have that with Book, but having established that they worked very well together as a couple, undoing that would not be my preference.

So this is as much a hope as it is a bona fide theory, but I would like very much for Book and Burnham to resolve their differences – and quickly. Whether that will come from Book realising that Tarka has manipulated him, from Burnham reaching out, from the pair finding a way to compromise… it doesn’t really matter. But I’d hope that, within an episode or two of Season 4’s return, we can put all of this nonsense to bed. Permanently.

Theory #5:
The DMA isn’t a super-weapon.

President Rillak convinced Captain Burnham to make this argument to the delegates in But To Connect.

We got a more detailed examination of this argument in But To Connect, and as mentioned it was Burnham – with no small amount of prompting from President Rillak – who led the charge.

In brief, the DMA being damaging and destructive doesn’t prove that it’s a super-weapon, even if it was artificially created. I’d add into this discussion the fact that the DMA, in all the weeks (or months) that it’s been in the Milky Way, has destroyed one planet and one small asteroid colony. If someone were using the DMA as a weapon, it seems remarkably inefficient to have harmed precisely two places in all that time.

Captain Burnham pointed out that we have no frame of reference when it comes to Unknown Species 10-C and the DMA. There’s simply no way of knowing what their intentions were by creating this anomaly, and while it could be a weapon, there’s also a chance that it isn’t. Right now, the fact that the DMA has been misunderstood feels like a distinct possibility.

Theory #6:
The DMA is a life-form.

Zora is an AI that came to life. Maybe the DMA is too?

On the other side of But To Connect we got into a complex discussion with Stamets, Dr Kovich, and the others about the nature of Zora. At what point does an artificial construct become a distinct and unique life-form? This argument had echoes of past Star Trek episodes like The Measure of a Man and Author, Author, and was interesting in its own right. But could it be laying the groundwork for something to come with the DMA?

Star Trek has shown us life-forms like V’Ger – a giant energy cloud surrounding an artificial life-form. Perhaps the DMA is something similar, and while it may have started out as a simple piece of machinery, it has since evolved into something more. Just like with Zora, perhaps part of the second half of the season will be about understanding this new form of life – and protecting it, if necessary, from the likes of Tarka.

Theory #7:
Some areas of the galaxy – such as the Delta Quadrant – avoided the worst effects of the Burn.

Adira and Stamets with a map of the Milky Way galaxy.

In But To Connect, President Rillak told us that the diplomatic summit she convened would bring together races from “all four” quadrants. Assuming she was referring to the familiar Alpha, Beta, Gamma, and Delta Quadrants that make up the Milky Way galaxy, this would count as our first mention of the Delta Quadrant in the 32nd Century. I didn’t spot any familiar Delta Quadrant races (or their emblems) amongst the assembled delegates, however!

I had previously speculated that the Burn may not have affected the entire galaxy equally, and that regions farthest away from the Verubin Nebula may have survived without much damage. I still think that this is a possibility – though whether Discovery will revisit the Burn in any depth, or visit the Delta Quadrant at all, remains unclear.

To see a full write-up of this theory, click or tap here.

Theory #8:
There will be a character crossover from a past iteration of Star Trek.

Star Trek has had some wonderful crossovers in the past.

Ruon Tarka’s friend could, as mentioned, be someone we’ve already met. But there are other ways to bring back a character from a past iteration of the franchise – and there would be many potential benefits to doing so! I had initially proposed a version of this theory in the run-up to Season 3 that centred on the Doctor from Voyager – but with some creative technobabble, practically anyone could be included, despite the leap forward in time.

Choose To Live showed us the Abronians in cryo-sleep, and Stormy Weather saw the crew of Discovery use the transporter buffer to survive – just like Scotty had done in The Next Generation Season 6 episode Relics. Could these be hints at something to come?

It would also be possible for Captain Burnham to discover the logs or a holographic recording of a long-dead character – and while this would be less of a “crossover,” it could still be a ton of fun and great fan-service!

Theory #9:
President Rillak knows what the DMA is and may be responsible for its creation.

President Rillak.

Although we’ve seen President Rillak working hard to unravel the DMA, I’m not ready yet to strike her (and the Federation) off my list of suspects! As we saw in But To Connect, President Rillak is very keen to see Earth (and other worlds) rejoin the Federation as quickly as possible. The DMA has facilitated greater contact between Earth and the Federation than there has been in a long time, and was also a driving force in Ni’Var rejoining. In short, if President Rillak ordered the DMA’s creation as part of a cunning plan to bring wayward ex-member worlds back into the fold… it’s working. At the very least, she isn’t letting the crisis go to waste!

I was also struck by President Rillak’s insistence on negotiating peacefully with Unknown Species 10-C. While this is perfectly in line with stated Federation values and objectives… could she have another motive? If the DMA was created by the Federation, destroying it could cause a shockwave to resonate along its wormhole and damage or even destroy the Federation facility or planet where the DMA was originally created. President Rillak’s peaceful approach may be intended to protect the people who created it – because she knows who that is.

President Rillak and Captain Burnham.

Despite her recent appearances seeming to suggest she’s firmly on Captain Burnham’s side, I see a noticeable manipulative, almost Machiavellian side to President Rillak. She’s brought Burnham on board because she believes working together is to her advantage, as she did with the Ni’Var negotiations and at the diplomatic summit. But she also used Burnham in both of those cases to advocate positions that it would be politically or diplomatically difficult for her to do openly – effectively manipulating those events from behind the scenes.

Captain Burnham needs to tread very carefully, as I firmly believe that President Rillak is someone who will happily throw her – and everyone aboard the USS Discovery – under the bus in a heartbeat if she believed doing so would advance what she considers to be the Federation’s best interests. And if she believed that the way to bring the Federation back together is to give the various independent worlds a threat that they couldn’t handle alone… well, that might just be the reason why she sought to create something like the DMA.

As stated in previous weeks, President Rillak may not have created the DMA, nor ordered its creation, but may be covering it up because it’s in the Federation’s best interests in her opinion. She may also be choosing to keep this knowledge hidden so she can continue to exploit the DMA for her own purposes.

Theory #10:
Season 4 will connect with the Short Treks episode Calypso.

Zora dancing with Craft in Calypso.

Zora’s status as a member of the crew was confirmed in But To Connect, and this followed her developing emotions and sentience earlier in the season. Zora is now much closer to her presentation in Calypso, potentially bringing the story of the Short Treks episode one step closer.

There are still significant hurdles to overcome if the story of Calypso is to be wrapped up in Season 4, though. Obviously we have the timeframe issue: will the USS Discovery be sent back in time, be abandoned, or is Calypso taking place centuries in the future? Then we have the USS Discovery itself – it’s been retrofitted since arriving in the 32nd Century, and now looks very different to how it did in Calypso. I’m not sure how Discovery will overcome these hurdles – but it’s possible. It feels like a proper link-up with Calypso is edging closer week by week.

So those theories are new or saw movement last week.

Now, as always, I’ll keep the theory list all in one place by recapping all of the other theories that I currently have in play for Discovery Season 4.

Theory #11:
Unknown Species 10-C is a faction from a past iteration of Star Trek.

Could Unknown Species 10-C have already appeared in Star Trek?

Despite the fact that the DMA has passed through the galactic barrier, making assumptions is dangerous! We’re only at the season’s halfway point, after all, so there’s plenty of time for twists and turns.

Based on the DMA potentially having an origin outside of the Milky Way, the three suspects that immediately spring to mind are the Kelvan Empire, the Sphere-Builders, and the super-synths from Season 1 of Star Trek: Picard. They’d all been on my list of suspects going back months, and I really feel that any one of them would make for a potentially interesting story.

I have a longer list of suspects for Unknown Species 10-C, so for a more detailed look at these three candidates – and many others – click or tap here to see the full list.

Theory #12:
A major character will be killed off.

Shaxs’ funeral in Lower Decks.

Lieutenant Tilly’s departure in All Is Possible definitely shook up the cast. And Gray’s departure in But To Connect may do so as well. However, I stand by what I said before the season aired: killing off a character can be a great way to demonstrate the dangerous nature of the circumstances that the crew have found themselves in. So far, despite tangling with the DMA on several occasions, only a couple of redshirts have lost their lives.

In Stormy Weather, Dr Pollard raced through the corridors of the USS Discovery to reach a hull breach. Shortly after she arrived, a redshirt was blown out into space – but Dr Pollard survived. Although moments like this can make it feel that Discovery is shielding its main and secondary characters with some pretty heavy plot armour, I still feel that there’s scope to see a major character death before the season ends.

If you want to check out my pre-season “death predictions,” in which I speculated about which characters may or may not be in danger, you can find that by clicking or tapping here.

Theory #13:
The Guardian of Forever will be back.

The Guardian of Forever as it appeared in The Animated Series.

Having reintroduced the Guardian of Forever in Season 3, I wouldn’t be at all surprised to see Discovery return to the Guardian’s planet in Season 4. Because Captain Burnham and the crew still don’t know much about the DMA or Unknown Species 10-C, it would make sense to at least ask the Guardian for help – maybe it has encountered this phenomenon or the people who made it before.

The Guardian of Forever is also the only way we know of at present to travel through time – something that might be necessary if Season 4 makes an attempt to link up with Calypso in a big way. There are many reasons why Captain Burnham might want to revisit the Guardian, and it would be great to bring back actor Paul Guilfoyle, who played the Guardian’s humanoid avatar in Season 3.

Theory #14:
The crew will have to defend the Verubin Nebula.

The dilithium planet is vital to the Federation.

Despite having grown to sixty member worlds, the Federation is still in a weakened state and isn’t yet back to full strength. The Verubin Nebula is thus a very tempting target for anyone looking to gain an edge in a galaxy where dilithium is still in short supply. As the only known significant cache of the valuable fuel, whoever controls the Verubin Nebula will have a massive tactical advantage.

It would begin to stretch credulity to think that everyone in the known galaxy would see the Federation rebuilding and having access to dilithium and not want to find out for themselves what’s going on. Once the Verubin Nebula’s existence becomes known, even if the Federation promises to share its bounty with all comers, it seems very likely that someone would want to take control of the dilithium supply for themselves. This could even be the objective Unknown Species 10-C have – they may be looking for a way to control the Verubin Nebula and its supply of dilithium.

Theory #15:
The ban on time travel will be explained in more detail.

The USS Enterprise was able to travel through time using the “slingshot method.”

This one is as much a hope as a theory right now! In short, the ban on time travel was introduced early in Season 3 primarily as a way for the writers and producers to avoid questions about why the 32nd Century was so different from how the far future had been depicted in earlier Star Trek productions, as well as to explain things like how the Burn was able to catch the Federation off-guard and why Georgiou couldn’t simply be sent back in time when she needed to.

But the ban itself raises some issues – the biggest one being the lack of detail on how it works and how something like this could possibly be enforced. As I said several times last season, it isn’t possible to just un-invent a technology so useful and powerful as time travel. Even just a few lines of dialogue going into a little more detail on the mechanisms involved in the ban would be really useful.

Theory #16:
The Federation has flouted the ban on time travel.

President Rillak may have tried to circumvent the ban if she felt doing so would be in the Federation’s interests.

Sticking with the time travel ban, another theory I had last season was that the Federation – and Section 31 in particular – might have deliberately flouted the ban and failed to abide by the rules. Someone as straight-laced and committed to Starfleet ideals as Admiral Vance is highly unlikely to have sanctioned such a move, but there are other Federation leaders – such as President Rillak – who could be implicated.

Obviously the bulk of the season’s story will deal with the DMA. But there’s scope to either talk about the time travel ban in a standalone episode or even tie the two stories together – perhaps the anomaly has been unleashed as a result of unsanctioned time travel.

Theory #17:
Michael Burnham won’t remain captain of Discovery.

Captain Burnham in The Examples.

This is a controversial one, so let me just say up front that I’m neither in favour of this theory nor opposed to it – I just think it’s a possibility. As things stand, Discovery has had four different captains across its four seasons. One of the show’s unique points of interest within Star Trek’s broader canon are the very different ways in which these individual captains commanded the ship and crew.

It’s got to be considered a possibility, then, that the show will continue this trend. This doesn’t mean Captain Burnham will be killed off; I’d actually argue she’s pretty safe. But there are many different routes to her potentially leaving the ship, such as a desire for freedom that we saw in Season 3, or even perhaps taking up a new, more senior role within Starfleet.

Captain Burnham on the bridge in Stormy Weather.

If this theory were to come to pass, it would be something I’d expect to see at the very end of the season. Even if Burnham seems 100% committed to her new role as captain, I don’t think it’s a theory we can definitively rule out.

It’s worth mentioning that at time of writing Discovery hasn’t been officially renewed for a fifth season – so all this talk of who’ll be in the captain’s chair by then could be moot! And of course this theory has a very strong counter-argument: that Discovery’s main story arc across its first three seasons can be read as Burnham’s ascent to the captain’s chair.

Theory #18:
Saru will be given the captaincy of the USS Voyager-J.

Captain Saru.

Saru’s future was briefly discussed before he offered to serve as Captain Burnham’s first officer in the episode Anomaly. He has already been offered a command of his own, so Starfleet clearly values his command abilities and experience. President Rillak was seen to be assessing Captain Burnham’s suitability for the captaincy of the USS Voyager-J in Kobayashi Maru… and she mentioned having a shortlist of candidates. Could Saru be on her list?

Several of the qualities that President Rillak said she was looking for in a potential captain seem to apply to Saru. He’s more level-headed, less likely to put himself in a dangerous situation, and more inclined to think of the big picture. He has a weakness when it comes to Kaminar, as we saw toward the end of Season 3, but generally speaking he isn’t someone who lets his emotions get the better of him. His wisdom and calm demeanour could be valuable in the captain’s chair of the Federation flagship. This could also set the stage for his departure from the show, or possibly even for a new show following his adventures aboard his new ship.

Theory #19:
Book will find Kyheem and Leto inside the DMA.

Book with Leto and Kyheem shortly before the destruction of Kwejian.

In Star Trek: Generations, Captain Picard encountered Captain Kirk inside the Nexus – despite Kirk being declared “dead” after the Enterprise-B encountered the energy ribbon almost eighty years earlier. The DMA’s similarly mysterious nature raises the faint possibility that at least some of those it appears to have “killed” may not be as dead as they first appear.

This theory is, I freely admit, a bit of a long-shot. And it hinges on a fundamental question underlying the story of the season: what’s going on with the DMA? Was it designed to kill? Or is it some kind of method of faster-than-light travel, using the wormhole at its core? If it’s the latter, perhaps some of the people on Kwejian may have survived or been transported to wherever Unknown Species 10-C reside.

Theory #20:
We haven’t seen the last of the Abronians.

I currently have four ideas for different ways that the Abronians – the non-humanoid race that Captain Burnham, Tilly, and the Qowat Milat helped save from cryo-sleep in the episode Choose To Live – could play a further role in Season 4.

Theory #20a:
The Abronians’ homeworld was destroyed by the DMA.

Captain Burnham believes this image depicts a “supernova.”

After arriving at the Abronians’ cryo-ship, Captain Burnham found a stone carving that seemed to depict the destruction of the Abronians’ homeworld. This carving was only shown on screen briefly, but it seemed to show the planet being damaged or destroyed in a large explosion. Burnham credited the planet’s destruction to a “supernova,” and the story then raced ahead.

Considering that the main thrust of the season so far has been about the DMA, perhaps Burnham was incorrect: the Abronian homeworld was destroyed by the anomaly, not a supernova.

Theory 20b:
The Abronians’ homeworld was on the “other side” of the DMA.

Abronian stasis pods.

The DMA seemingly contains the technology to generate an artificial wormhole. It’s thus possible that the DMA can facilitate travel between incredibly distant locations – not only for itself, but for other starships too. The subspace tear that the DMA left behind went nowhere – but it may be possible to get “inside” the DMA itself or even use its wormhole tech to travel vast distances.

One thing struck me as odd about the Abronians: the Federation was entirely unaware of them, despite the Abronian cryo-ship being relatively close to Federation space – such that Captain Burnham could reach it using Book’s ship in a short span of time. It’s possible that the Abronians had been asleep for millennia, unnoticed by the Federation and the wider galaxy for all that time. But it’s also at least possible that their cryo-ship is a newcomer to the area. If so, perhaps it arrived here via the DMA.

Theory #20c:
The Abronians will return to help the Federation later in the season.

A deceased Abronian.

One of the themes of Discovery since Season 3 has been connection, including building connections between the Federation and other races and organisations. The Abronians were awoken from cryo-sleep thanks to the interventions of Captain Burnham and Tilly – at least in part – and they may seek to repay the Federation, or Captain Burnham personally, for that help.

We saw this play out last season with Ni’Var; in the season finale Ni’Var ships raced to the Federation’s aid as the Emerald Chain attacked. Perhaps the Abronians will likewise step up to help when the Federation needs allies.

Theory #20d:
The Abronians’ moon-ship may be useful in a later story.

“That’s no moon…”

The Abronians’ cryo-ship is huge, and at least superficially seems to have the mass of a moon or small planetoid. If Captain Burnham and the crew needed a starship that large, such as to aid in the evacuation of a planet threatened by the DMA, for example, perhaps they’ll return to the Abronians and ask to borrow it.

As we saw in Choose To Live, the moon-ship was in full working order. All it needed was some extra dilithium to power up and it was perfectly capable of moving under its own power, and its computer systems were still functional. The only system that seemed to have failed was the wake-up timer! So if the crew are in need of a huge starship, perhaps we won’t have seen the last of the moon-ship!

Theory #21:
Captain Burnham and/or the Red Angel suits from Season 2 are connected to the DMA.

A Red Angel suit from Season 2.

Now that we know the DMA is artificial in nature, the question shifts to who built it and why. We’ve covered the idea of it being a weapon or an out-of-control experiment, as well as being a life-form in its own right. It could also be something created by the Federation. But because this is Star Trek: Discovery, a show which likes to put Captain Burnham at the centre of its stories, perhaps there’s a connection to her that we’re missing.

The Red Angel time travel suits from Season 2 were phenomenally powerful machines, capable of generating time-wormholes large enough to transport an entire starship 930 years into the future. We already know that the DMA potentially contains a synthetic wormhole, so it wouldn’t be a huge leap to connect the two. We also don’t know for certain what became of Captain Burnham’s Red Angel suit after the Season 3 premiere. There’s also the faint possibility of a parallel universe Burnham or time travelling Burnham being responsible.

Theory #22:
Ruon Tarka – perhaps aided by Book or Stamets – will create the DMA.

Stamets, Tarka, and Saru with the DMA model.

I included Tarka on my list of suspects for the creators of the DMA, but this warrants a full entry on the theory list too! In short, we saw Stamets and Ruon Tarka creating a scale model of the DMA in The Examples, and according to Reno their experiment came very close to destroying the entire ship. They were able to perfectly recreate the device at the centre of the DMA, albeit on a smaller scale – so what’s to prevent Tarka from building a full-scale replica (other than the power generation requirements)?

This theory posits that he will do exactly that – somehow – or that his experiments will set into motion a chain of events that leads to the creation of the DMA in a kind of time-loop storyline. The DMA’s wormhole-generating technology may give it the ability to travel backwards through time as well as across vast distances, so it seems technologically plausible at the very least.

The DMA.

But To Connect fleshed out Tarka a little more, giving backstory to him and a potential motive for his single-minded pursuit of the DMA. He also may know more about the anomaly than he’s letting on – including who is responsible for its creation. Regardless, Tarka has been shown as someone willing to take all kinds of risks, and it’s not impossible to think that one of his risks could backfire – creating the DMA in the process.

Personally, I find time-loop paradox storylines to be frustrating – and they can be very difficult to pull off successfully. There’s no beginning point to such a story: the DMA exists because the DMA was created because the DMA exists because the DMA was created… it’s an infinite loop. But we’ve seen Discovery tackle time travel stories like this before – and the pieces seem to be in play right now for this theory to pan out.

So that’s the main theory list.

We also have two production-side theories in play, and I’ll recap those now.

Production-side theory #1:
Tilly’s departure will be permanent.

Tilly’s departure feels permanent.

Mary Wiseman confirmed in an interview with Wil Wheaton on The Ready Room (Discovery’s social media aftershow) that Tilly will be seen again before the end of Season 4, and we glimpsed her in the trailer for the second half of the season as well. But that doesn’t mean she will return as a main character on the show going forward, and her departure in All Is Possible felt permanent. Despite that, I’ve seen quite a lot of folks online who don’t believe that Tilly is actually leaving the series – so I wanted to put it out there officially and say that, in my opinion anyway, she is.

Maybe those people know something that I don’t! As I always say, I don’t have any “insider information;” all of this is just speculation on my part. However, I feel that the manner of Tilly’s departure, the fact that she got that emotional sequence with Captain Burnham, a montage showing her leaving the ship, Adira seeming to take over several of her roles, and her departure feeling like the culmination of her arc going back to the latter part of Season 3 all come together to strongly indicate that she won’t be back as a major character. She may yet have a significant role to play in a future Season 4 episode, as has been suggested, but unless Discovery’s writers are really playing with our emotions I believe we’ve seen Tilly’s end as a main character on the show. She may come back in a future Starfleet Academy series, though… so watch this space!

Production-side theory #2:
Star Trek: Discovery isn’t going to be renewed for Season 5.

Is a fifth season going to happen?

Since Discovery debuted in 2017, we’ve known well before this point in the season that the show has been renewed. This obviously isn’t one of those “I hate new Star Trek” things that we’ve seen doing the rounds online for years; I adore Discovery and genuinely want to see it continue. But it’s profoundly odd to have arrived at Season 4’s mid-season break and to still have had no announcement about Season 5. For comparison, Star Trek: Picard has been renewed for Season 3 even though Season 2 hasn’t aired yet.

I’m hopeful that this is just a blip; a temporary delay for reasons unknown, and that the show has been renewed for Season 5 already behind the scenes. However, when we look back at Star Trek productions in recent years, it was often apparent that production work was quietly ongoing even if there hadn’t been any official word from ViacomCBS. As far as we know at this stage, there’s been no pre-production work on Season 5, let alone any filming taking place in the Toronto area. The abrupt announcement that the show is taking a mid-season break could also be indicative of issues with the production.

Once again, this is a “watch this space” kind of theory. I hope I’m wrong… but the lack of any news or even any significant rumours about the show’s future is beginning to have me worried.

So that’s it.

Discovery will return in five weeks’ time.

We’ve hit the halfway point of Season 4 with a number of theories still in play! There are major questions surrounding Ruon Tarka, Cleveland Booker, the nature of the DMA, and Unknown Species 10-C in particular that all need answers when the show returns next month. It’s going to feel like a long wait!

Before we go, one final point. I write up these theories because I like Star Trek and I like writing. But for some folks, fan theories can hamper their enjoyment of a film or television show. It’s worth keeping in mind that most of these theories probably won’t pan out, and we have to be prepared for the fact that even the most well-constructed fan theory, no matter how fun and plausible it seems, simply won’t turn out to be true. If you find that speculating and reading theories is beginning to detract from your enjoyment of Star Trek: Discovery – or any other television show or film – it might be a good idea to take a break for a while.

Star Trek: Discovery Season 4 is currently on hiatus and will return on the 10th of February. The first half of Season 4 is available to stream now on Paramount+ in the United States, Scandinavia, Latin America, and Australia. The show is on Pluto TV in the UK, France, Germany, Italy, and other parts of Western Europe at 9pm on Fridays and Saturdays. Individual episodes or the full season can be purchased on iTunes, Amazon Video, YouTube, and possibly other platforms in the UK, parts of Europe, and select other countries. The Star Trek franchise – including Discovery and all other properties mentioned above – is the copyright of ViacomCBS. This article contains the thoughts and opinions of one person only and is not intended to cause any offence.

Star Trek: Discovery Season 4 – So who is Ruon Tarka’s “friend?”

Spoiler Warning: There are spoilers ahead for Star Trek: Discovery Seasons 1-4, Star Trek: Picard Season 1, and for other iterations of the Star Trek franchise.

With Discovery taking an unplanned six-week break, we’ve got a little time to settle in and collect our thoughts. The first half of Season 4 has seen some progress toward unravelling the mystery of the dark matter anomaly, but there are still plenty of questions! From this point, the story could go in many different directions, and could potentially make significant connections and crossovers with past iterations of Star Trek. Today, we’re going to consider one such possibility.

In the episode But To Connect, which served as the mid-season finale, Ruon Tarka returned. Tarka is a Risian scientist who had been working on the DMA and who had collaborated with the USS Discovery’s own Paul Stamets in the episode The Examples to build a working scale model of the anomaly. We learned more about him this time, including what he claims to be his motivation for wanting to destroy the DMA while preserving the machine at its centre: he wants to use it to travel to a parallel universe.

Tarka made his first appearance in The Examples.

During a conversation with Book, Tarka claimed that he had “a friend” while he was forced to work for the Emerald Chain. This friend wasn’t mentioned by name, but appears to have been a major motivating factor for Tarka to find a way to cross the divide between universes; to “punch through” as he put it.

This could all be obfuscation on Tarka’s part; a made-up story to help him sink his talons into Book and manipulate him into doing his bidding. Tarka’s plans relied on Book: he needed him to either convince the delegates to approve the use of his weapon, or to use the stolen spore drive to deliver the weapon without Federation help. So we have to acknowledge that possibility.

Stamets and Tarka built a scale model of the DMA.

But I was struck by the way this conversation deliberately kept Tarka’s “friend” hidden from us as the audience. Book asked who the friend was, but Tarka quickly waved away the question. That makes me wonder… who is this friend? And could it be someone we’ve met before – maybe in Discovery, but maybe in a past iteration of Star Trek?

So today we’re going to consider a few possible candidates for Tarka’s friend. Who could this person be, and if they survived their imprisonment with the Emerald Chain, might we be about to meet them?

Tarka and Book aboard Book’s ship.

I can’t decide right now whether Discovery is setting up Tarka to be the main villain for the rest of the season, or whether Captain Burnham and the crew will resolve this storyline within an episode or two before moving back to the DMA and Unknown Species 10-C. Either possibility feels just as likely, so we could perhaps see the Tarka storyline rumble on for much of the second half of the season.

But we’ll have to set that aside for now! I’ve put together a list of candidates for being Tarka’s friend and we’ll go through them one by one. Just remember one thing: I have no “insider information,” and I’m not trying to claim that any of this will actually be included in Star Trek: Discovery. This is speculation and theorising from a fan – and nothing more.

With that caveat out of the way, let’s jump into the list.

Friend #1:
Aurellio

Let’s see… Aurellio is a bona fide scientist. He worked for the Emerald Chain. He and Tarka know one another. And although Aurellio has been mentioned several times this season, we haven’t seen him. Could he be the mysterious friend?

I don’t think so, not unless Tarka is even more devious than we think! Although we haven’t seen Aurellio this season, we’ve heard multiple times that he’s working with Starfleet, and he even built the new spore drive that Book and Tarka used in But To Connect. So unless Tarka has somehow managed to fake Aurellio’s entire existence… I think we can rule him out.

But on the surface, Aurellio fits the bill in some respects! We don’t really know of any other ex-Emerald Chain scientists, so it’s an outside possibility that Aurellio is involved in all of this somehow.

Friend #2:
Altan Inigo Soong

Dr Soong is the son of Data’s creator, and was encountered by Admiral Picard on the planet Coppelius in Et in Arcadia Ego, Part 1 – the first part of the Picard Season 1 finale. As a human from the 24th Century, he shouldn’t still be alive almost eight centuries later, but Dr Soong had plans to transfer his consciousness into a synthetic body. This process was mentioned earlier in Discovery Season 4, as it was used to give Gray a physical body.

If Dr Soong was ultimately successful, it’s possible that his synthetic form survived to the 32nd Century, and he could therefore be Tarka’s friend. He was already a skilled scientist when Picard met him, and with centuries of time to develop his skills he could have proven invaluable to an organisation like the Emerald Chain.

Now we get into abject speculation, but if Unknown Species 10-C turns out to be connected to the super-synths from Picard Season 1, this could give Dr Soong an additional motive for wanting to escape to a parallel universe: he might be aware of the threat they pose to the galaxy and all organic races.

Friend #3:
The Doctor

Nothing that Tarka said about his friend implied that they’re organic – so the Doctor being a hologram shouldn’t count against him! I’ve speculated before that a backup copy of the Doctor could still be alive in the 32nd Century, as we saw in the Voyager Season 4 episode Living Witness. While the Doctor wasn’t a scientist per se, after decades living and working with the Kyrians in the Delta Quadrant he may have broadened his skills.

If the Doctor was re-activated to find a galaxy ravaged by the Burn and all of his friends long gone, he might well want to escape to an alternate reality – there’d be nothing left for him in the prime timeline.

Perhaps the Emerald Chain intercepted his ship while he was on his way from the Delta Quadrant, or perhaps this is a different copy or version of the Doctor altogether from the one we saw in Living Witness. Because of the Doctor’s nature as a hologram, he could have easily survived this long.

Friend #4:
Control

Captain Leland, who had been “assimilated” by the Control AI, was killed at the end of Season 2, and the existence of life in the 32nd Century seems to suggest that Control was permanently shut down shortly after the USS Discovery left. But what if that didn’t happen, or if the shutdown of Control was incomplete?

So far this season we’ve had more mentions of Control – and a greater discussion of the implications of its rise – than we got in the entirety of Season 3. Could that be setting up something big later in the season? Could Tarka’s friend actually be someone that the Control AI “assimilated?”

If so, perhaps Control plans to abandon this universe to find one more easily attacked and dominated – and Tarka may find that his friendship with whomever it is was little more than a ruse.

Friend #5:
Another Ruon Tarka

There are multiple parallel universes – perhaps an infinite number! At least some of those universes contain alternate versions of everyone we’re familiar with: the Mirror Universe and the alternate reality of the Kelvin films being just two examples. So what if Ruon Tarka’s “friend” is, in fact, a parallel universe version of himself?

Tarka was confident that the parallel universe he intends to reach is better than the post-Burn reality he currently inhabits. But how could he possibly know that unless he’d either seen it for himself or met someone from that reality? Though in theory anyone from that universe could be Tarka’s friend, I think someone with the self-assuredness and arrogance of Tarka would be more inclined to trust his own counterpart.

We know that Tarka isn’t bound for the Mirror Universe – at least based on what he told Book. But here’s a spoiler for my next theory post: what if he’s trying to reach the Kelvin timeline? His unnamed friend could be his Kelvin timeline counterpart.

Friend #6:
Michael Burnham

We’re sticking with the parallel universe theme here. If an alternate version of Captain Burnham had somehow crossed into our universe, perhaps she’d been captured by the Emerald Chain and forced to work with Tarka. She might have warmed up to him, telling him of her true origin in a different, better universe.

Burnham has a keen scientific mind, and had she ended up in Emerald Chain captivity they might well have tried to put her to work as a scientist. Discovery has also put Burnham at the centre of big storylines before, such as by making her the Red Angel in Season 2.

The counter-argument to this would be that everyone we met from the Emerald Chain, including Osyraa, Ryn, and Aurellio, didn’t recognise Burnham or claim to have seen her before. It’s possible that they never met her or that she was working in a different lab, but it could also be seen as a mark against this theory. Tarka also suggested that his friend was male, which could also rule out Burnham.

Friend #7:
Dax

Thanks to the inclusion of Gray and Adira, we’ve spent some time with the Trill over the past couple of seasons. Trill symbionts are particularly long-lived, and there’s evidence to suggest that Gray and Adira’s symbiont, Tal, may have been alive in the 24th or 25th Century. It isn’t impossible, then, for the Dax symbiont to have survived to the 32nd Century.

Dax was one character I felt could make a comeback in Season 3. Early trailers dropped hints about the Trill, and bringing back Dax could’ve been a great way for the show to give fans a nod and a wink – but without needing to bring back an actor from the past. The nature of Trill life means that Dax would be in a new host by now – and thus the character could be recast in an easy and inoffensive way.

In Deep Space Nine we saw Dax mostly as a scientist thanks to Jadzia, and while Dax had many different roles over the course of their lifetime, returning to a scientific field is a possibility – certainly if a millennium’s worth of knowledge could be put to use. Dax is also aware, thanks to their adventures with Sisko and others, of the likes of the Mirror Universe.

Friend #8:
Soji

Due to her synthetic nature, Soji is also someone who could potentially still be alive in the 32nd Century. With centuries’ worth of accumulated knowledge under her belt, and a desire to help her people, Soji may have continued the Soongs’ work on cybernetics at some point after her adventures with Admiral Picard.

We haven’t yet seen any Coppelius synths in Discovery’s 32nd Century, and I’d be curious to see what became of them. If they survived and were able to continue to build new synths, there could be a thriving population by now. Many of the synths looked alike, so it’s possible that Tarka’s friend may have a familiar face even if they aren’t a character we’ve met before.

It would be great to get a proper crossover between Discovery and Picard, and this could be one way of doing it. The only drawback is that, because of the difference in time periods, having a character like Soji appear in Discovery would potentially be a limitation on future Picard stories.

Friend #9:
A Borg (or ex-Borg)

Where is the Borg Collective? We haven’t heard so much as a whisper since Burnham and Discovery arrived in the 32nd Century. It’s possible that the Borg have been defeated somehow in the centuries since they last tried to conquer the Federation, but it’s also possible that they’re the mysterious Unknown Species 10-C!

Perhaps Tarka’s friend is a Borg, ex-Borg, or even the Borg Queen, and the Emerald Chain had somehow kept Borg in captivity. It could be that Tarka is the one being manipulated, and his efforts to stop the DMA will allow the Borg to gain control of the power source at its centre.

We saw in Picard Season 1 that Borg technology and components were deemed valuable, such that a black market had sprung up. The Emerald Chain is exactly the kind of immoral faction that might have dealt in harvested Borg implants, and that could explain why they kept Borg captives.

Friend #10:
Gabriel Lorca

Captain Lorca commanded the USS Discovery during the show’s first season – but this character was later revealed to be from the Mirror Universe. The prime timeline version of Captain Lorca has never been found, and despite Admiral Cornwell and others believing that he wouldn’t have survived for long in the Mirror Universe, it’s at least possible that he did.

Or perhaps we’re dealing with another alternate version of Captain Lorca, someone native to the parallel universe that Tarka is attempting to reach.

Regardless, it could be fun to see the crew’s reaction to encountering their old captain! And it would be neat to welcome back Jason Isaacs to Discovery – his performance was one of the highlights of an occasionally rocky first season.

Bonus Friend:
Literally anyone!

Thanks to technobabble, practically any major character from Star Trek’s past could have survived to the 32nd Century. Stasis fields, time-wormholes, transporter accidents, pocket universes, warp bubbles, and many, many different phenomena could be brought in to explain the reappearance of practically anyone.

We already saw an oblique reference to one such method in the episode Stormy Weather. The crew placed themselves in the ship’s transporter buffer in order to survive their dangerous escape from the void – a method employed by Montgomery Scott in The Next Generation Season 6 episode Relics. Could it be that this was more than just a callback to that classic episode, and was the setup for something that will come into play later?

With the exception of those few main characters who had been killed off outright – Captain Kirk, Tasha Yar, Jadzia Dax, and a couple of others – basically anyone could fill this role as Tarka’s friend and make a triumphant return to Star Trek!

So that’s it.

Tarka showed a hologram of the DMA to the assembled diplomats and delegates.

I could be completely over-reaching with this one, but I felt that there was something about the way Tarka refused to name his “friend” in But To Connect that could be significant. Why keep that individual hidden – unless there’s something that’s going to surprise us when they’re ultimately revealed?

We’ve seen the Abronians in cryo-sleep this season, and we’ve seen the crew of the USS Discovery pu