Lost in Time (video game)

Doctor Who: Lost in Time is a licensed 2022 Doctor Who video game released for iOS and Android by Eastside Games. It was only released in a "soft launch phase" on 27 June 2022, with its full release being 8 March 2023.

The game was broken down into chapters with individual titles. The narrative, involving a mysterious temporal anomaly messing with the Doctor's memories, featured multiple Doctors and companions. However, it was not a conventional multi-Doctor story: the different Doctors never meet, with K9, newly-fitted with a vortex manipulator circuit, acting as a go-between.

It was an idle game, meaning gameplay consisted of little more than accumulating experience points via repetitive actions to unlock the next cutscene. The game also featured limited-time "Events", with varying time limits and some even featuring their own shorter storylines.

Publisher's summary
From the world of the beloved Sci-Fi franchise, Doctor Who: Lost in Time is an idle game where players join the Doctor in unraveling a sinister plot threatening the universe!

Power-up your Waypoint to obtain the mysterious Vortex Energy, a crucial force used to thwart the Doctor’s most fearsome foes.

Travel to classic locations from the franchise, and team up with your favorite companions! Together you’ll face enemies like the Daleks, Cybermen and many more! Collect character cards and use strange new resources like Kyfred Gems and Henoch Matter to level up your companions. These resources are key to discovering why the Doctor and friends find themselves lost in time.

When supplies run low, complete tasks to get Kerblam Boxes crammed with rare rewards. But hurry! With your enemies hot on your heels, you’ll need to tap as quickly as you can to power the TARDIS and travel to your next adventure, just in the nick of time.

Episode 1: Lost in Time
When the Doctor's TARDIS is forced to make an emergency landing to the "nearest familiar spot", the Thirteenth Doctor and Yaz Khan land in the Third Doctor's UNIT HQ laboratory. Making matters worse, the Doctor has no memory of the place, even though, by design, it should be familiar to her. The Doctor and Yaz are met with K9, who seems to understand more about the situation and explains that UNIT HQ passing through a black hole's event horizon created a "dimensional Waypoint", charging the building with Vortex Energy. The Doctor tells K9, who is able to move through time, to contact her other incarnations about the temporal crisis, and to pass on the message, "Memory gaps. TARDIS is stuck. Send Vortex Energy!", collected from other Waypoints across space and time.

Indeed, elsewhere in time and space, others have been affected by the crisis. The Tenth Doctor's TARDIS has been pulled off-course to ancient Skaro, with Sarah Jane Smith aboard, and has gotten stuck there. Sarah Jane is able to remember her past encounters with the Daleks, unlike the confused Doctor, but despite his mental fog, the Doctor is able to remember K9's message: the Dalek City has also become a Waypoint, from which he must draw vortex energy to revive his TARDIS.

At UNIT HQ, the Thirteenth Doctor succeeds in drawing sufficient power to unstick the TARDIS. However, she is worried that the unrefined vortex energy might cause power surges in the TARDIS console. Yaz jokingly advises her to "reverse the polarity" using her sonic screwdriver, a phrase she's heard the Doctor use before; it turns out to work, but to Yaz's surprise, the Doctor has no memory of using the phrase previously. The Doctor, Yaz and K9 get into the TARDIS and successfully take off, though they suspect they'll have to do it all again every time they want to take off again until such a time as the crisis is resolved.

Episode 2: Emergence of the Daleks
The Thirteenth Doctor's TARDIS lands. As predicted, K9 notes that the trip depleted her reserves of vortex energy. K9 sends a message through time to the Tenth Doctor, still stuck in the Dalek City, to tell him that one of his future incarnations has freed themselves and will try to send him spare vortex energy if they can. In the meantime, Sarah Jane reminds the Doctor that, if his fourth incarnation's statement that the Daleks had been delayed for "a thousand years" after the Genesis Incident was accurate, the Daleks shouldn't be free yet in the time-zone where they've ended up. Indeed, they hear Dalek voices in the distance.

Meanwhile, the Thirteenth Doctor and Yaz venture out into a marketplace where they meet Sil the Mentor, who sells them a way to absorb vortex energy in larger increments. K9 then transports himself to the Dalek City, where he proves a great asset, helping to automate the vortex energy collection process, and assures the bipeds that he is no danger from the Daleks: the smooth metal floors of the City are as ideally suited to his movements as to the Daleks', and he is faster. The Tenth Doctor additionally explains to Sarah Jane that "since [she] last met [him]", K9 has been upgraded, notably being given an internal vortex manipulator and a Temporal Positioning System. This is how he's been moving and communicating through time even with the Doctors' TARDISes partially disabled.

While K9 handles the vortex-energy collection, the Tenth Doctor and Sarah Jane resolve to investigate how the Daleks have re-emerged so early in Skaro's history by getting captured by a Dalek patrol. This is quickly done, but the Dalek which apprehends them is a Time War-style Bronze Dalek, and the Doctor spots a Dalek Time Ship in the distance, realising that future Daleks went back in time to help their own ancestors. However, the temporal crisis has grounded the Dalek Time Ship too, stranding the future Daleks in their own past. Sarah Jane suggests that the Doctor offer to help repair the machine, with the secret intention of sabotaging it while learning more about the Daleks' plans.

Episode 3: Home Is Where The Hearts Are
K9 has now dropped in on the Twelfth Doctor and Bill Potts, whose TARDIS is stuck on Gallifrey. He advises the Twelfth Doctor to use "Matrix Representation Icons" and "adaptive neogenesis molecules", which the Twelfth Doctor knows better as Waypoint Cards and Henoch Matter, to upgrade the TARDIS's generator workers' efficiency. K9 also states that he detected a nearby cache of Kyfred Gems, which the Twelfth Doctor decides to "borrow" so as to be able to easily buy any equipment they may need along the way. After they recover the Gems, K9 has a better idea: to use them as temporal "skipping stones" in the space-time continuum so as to "refocus temporal energy". They decide to do it through the Untempered Schism, with the Twelfth Doctor giving Bill a protective shield to wear to prevent it "melting her brain". They walk through the Panopticon and out beyond the Citadel. When they get to their destination, however, the Twelfth Doctor suddenly gets a premonition and sends a message through K9 to Sergeant Benton that he may soon encounter Clara Oswald, and should do his best not to interfere with whatever she's doing. Benton readily agrees, but forgets to ask who she is and how he'll recognise her before K9 disappears again.

Episode 4: The Right Place At The Right Time
Now being chased through time by a Dalek, the Twelfth Doctor's newly-functional TARDIS makes an emergency landing in Nevada. After getting a message from River Song through K9, the Twelfth Doctor walks out and is confronted with Clara Oswald wearing an American diner waitress's outfit. He seems to remember her, but is very confused to see her alive. She explains cryptically that she is "here to save [him]" for "one last time". The Twelfth Doctor, with his memories, is very confused, as is what turns out to be another Clara Oswald — an earlier version, travelling with an earlier version of the Twelfth Doctor. Their TARDIS, drained of power by an unknown source, also crashed here.

The Dalek chasing the Twelfth Doctor soon catches up with them. However, it is confused by the presence of two Claras, one of whom is only debatably alive. The younger Clara takes advantage of its confusion to talk it into self-destructing, drawing on her experience as a Dalek to convince it in highly Dalek terms that its time-travelling has splintered its DNA and made it an impure failure. When the Twelfth Doctor comments that the scene was somewhat disturbing, the older Clara wryly notes that she's done "much worse" since. K9 interrupts the conversation, calling out to the Twelfth Doctor to say that he has identified the next Waypoint: Stonehenge.

Episode 5: All The Better To Sea You With
Martha Jones, travelling across the stations of the Osterhagen Project with Project Indigo, ends up pulled off-course to Atlantis. Realising that she's ended up in the wrong place, she activates Project Indigo again, thinking to herself, "There's no place like home".

Moments later, the Fourth Doctor's TARDIS lands in the same place. He walks out with K9 Mark I, who detects "residual energy from a vortex manipulator". Before he can tell him anything more, K9 malfunctions. The Fourth Doctor realises that the time crystal is to blame, and that they've become stuck in a time eddy.

Episode 6: The Pandorica Prologue
When K9 Mark IV checks in at the UNIT HQ laboratory, Benton asks him if he can take a message back to the Doctor, whichever one is most readily available: apparently, NATO anti-submarine equipment has been "acting up", and the Brigadier is worried that it's "the Sea Devils again". K9 uses his vortex manipulator circuit to transport himself to the Twelfth Doctor in the Underhenge at Stonehenge, the "Pandorica Waypoint". Just as the Twelfth Doctor is explaining the nature of the Pandorica to Clara, they are attacked by a pair of Weapons-grade Cyberman guarding the Pandorica. Though unarmed and not even remembering what Cybermen are properly, the Twelfth Doctor puts up an unflappable front.

Episode 7: In All The Towns In The World
Jo Grant enters the UNIT HQ laboratory looking for the Third Doctor, only for Benton to explain that he and the Brigadier have been gone for a little while, having gone off to "some fancy shindig in Geneva": the United Nations are giving the Doctor an award for salvaging the peace conference "last January".

Elsewhere in time, the Tenth Doctor is visiting ancient Atlantis with Martha when he detects the presence of a vortex manipulator in a nearby temple using his sonic screwdriver. They rush there, and the Doctor is already rattling off the appropriate Shadow Proclamation warnings when the "tomb-robber" greets him with a "Hello, sweetie": it's River Song, who describes herself as the Doctor's wife. She explains that she intended to arrive literal moments before the sinking of Atlantis and rescue a "priceless artefact" which she intends to sell to the Lux Library Foundation. She is thus mildly confused to see that Atlantis is showing no signs of sinking. However, without further ado, she slaps a memory worm on the Doctor to make him forget the encounter, and thus preserve the timeline, then dashes off.

Episode 8: A Deep One
Inside Clara's TARDIS, Ashildr moodily asks Clara if her meeting herself is going to turn into a regular occurrence. Clara explains that it shouldn't, normally, but that, since her splinters are widespread throughout the Doctor's time stream, their best course of action is to avoid running into the Doctor. According to her, they need to find someplace the Doctor would never go — somewhere exceedingly boring. Ashildr knows just the place, and they set a course for the Minyan ship.

Elsewhere and elsewhen, Atlantis, still in a time eddy, is being explored by Martha in the company of Doctor Liz Shaw. They are confronted with a Sea Devil, who explains that their local Sea Devil hibernation pod was activated by the Doctors' vortex energy-collection, and have set things in motion to send out a signal that will awaken the millions of other Sea Devils hibernating around the world. Liz and Martha try to convince the Sea Devil to delay the awakening so that a peace plan between the reptiles and humanity can be worked out; the Sea Devil seems amenable, and Martha calls the Doctor for help. The Thirteenth Doctor arrives to begin negotiating with the Sea Devil.

Episode 9: Forgotten But Not Gone
K9 Mark IV brings Rose Tyler to the Panopticon to meet with Sarah Jane. Sarah Jane is just beginning to explain that she and the Tenth Doctor are drawing vortex energy from Skaro when they get side-tracked talking about how many times they've each faced the Daleks. Agreeing that the Panopticon is a risky place to meet, even with perception filters, they decide to move to a safer location to continue the conversation.

At the[UNIT HQ laboratory, Jo is talking with Benton about the effort to recharge all the TARDISes when K9 Mark IV appears and alerts them to the presence of an alien life-form somewhere within UNIT HQ. With a bit more data, the three realise that the Cybermen have reassembled themselves out of the broken parts stored in the UNIT Vault following the attempted Cyberman invasion of Earth. One breaks through into the lab, and K9 seems to have disappeared, but when it tries to capture Jo to convert her, she hits it in the chest with her golden bracelet, sending gold flecks into its respiratory system which prove sufficient to kill it. K9 returns to explain that gold is deadly to the Cybermen, clarifying that he had to teleport off to deal with other alien threats escaping from the Vault.

Episode 10: My Friend's Enemy Is Also My Enemy
Waiting for the Twelfth Doctor in the Panopticon, Bill is surprised to see Nardole, who she didn't know had been in the TARDIS. He explains that the Doctor has told him to help with the vortex energy collection, hence his leaving the ship.

Meanwhile, the Fourth Doctor has returned to the Minyan ship P7E with Leela. He explains what he has learned from his future selves: Daleks from the early days of the Last Great Time War will attempt to attack the Minyans before they make it to their new home, afraid that, after being saved by the Doctor, they would return to being allies of the Time Lords. Indeed, the Minyans detect a Dalek ship, but the Daleks board them instead of initiating a space battle. After coming aboard, two Daleks explain that they are here for the Minyan race bank which they want to "study" and then return "undamaged". The Doctor realises that the Daleks intend to alter the genetic codes contained in the bank, so that the future generations of the Minyans will be ontologically loyal to the Daleks. While the Doctor distracts the Daleks, Leela manages to get behind them and startle them; they fire at her, not realising that she is now carrying a Minyan shield gun, which she uses to reflect their gunstick-fire back at them, destroying them. The Doctor congratulates her on her "excellent use of geometry".

Episode 11: Welcome To The Neighbourhood
In Victorian London, the Twelfth Doctor drops in on Vastra to help her deal with a Tyrannosaurus rex roaming the city. She initially believes that it has been taken out of time, but the Doctor explains that it was actually sleeping with a colony of Silurians in a nearby hibernation facility, whose reanimation unit was accidentally activated by the Doctor's collection of vortex energy. Confronted with the T-rex, the Doctor tries talking to it and it turns around. While Vastra initially believes the Doctor's appeal worked, the Doctor notes that his sonic screwdriver detected a high-frequency signal being used to recall the dinosaur.

Indeed, a trio of Silurians in full armour, calling themselves a Triad, arrive to confront them. They recognise Vastra and ask her where the rest of her "settlement" is, forcing Vastra to recall that there was "an accident" and she is the sole survivor of her group. The Triad are reluctant to consider peace, viewing the humans as nothing more than proliferating pests and explaining that they have already infected three prisoners with the Silurian plague, intending to release them at dawn to cause a devastating epidemic. When the Twelfth Doctor thoughtlessly mentions in the Triad's earshot that he already developed an antidote to the plague long ago, they threaten to take the Doctor and Vastra as prisoners, forcing Vastra to stun the three with her tongue. She then takes them back to their hibernation facility, seals the tunnel auto sealer to prevent them from being released accidentally again, and reactivates the hibernation circuits. Meanwhile, the Twelfth Doctor takes the T-rex back to Canada sixty-six million years in the past. Vastra approves, stating she never approved of "the practice of keeping wild animals as pets". The Twelfth Doctor mentions that one of the three men the Silurians captured, whom he has now released, was a Mr. Doyle who "said there might be a book in this".

Episode 12: If At First
The Minyan ship reaches their new planet, with the Fourth Doctor and Leela still on-board. Before they can begin the geomorphing, however, Leela gets a premonition of doom, soon fulfilled by the appearance of a further group of Daleks, intent on trying again to corrupt the race bank using the Mutation Device. While they activate the device, the Daleks plant a ring of explosives around the valley where the Minyans have landed, threatening to detonate them and collapse the valley if anyone interferes with the Mutation Device. After the Doctor tells Leela about the Daleks' eye-piece weakness, she manages to blind one Dalek which begins to frenziedly fire in all directions and ends up taking out the other Daleks even as they exterminate it. However, the Doctor and the Minyan Tala are left wondering if the Daleks will try a third time.

Episode 13: Everything At Once
In a flashback to Skaro, the Tenth Doctor is surprised to detect the presence of free-floating symbiotic nuclei, an essential part of Time Lord biodata that isn't normally supposed to ever be seen outside of a Time Lord's body. Sarah Jane suggests the Daleks could have lured and killed a Time Lord to the Dalek City, and extracted the nuclei from them; the Tenth Doctor admits that it's possible, but remains unconvinced.

In another flashback, the Twelfth Doctor, still in the the Underhenge, is joined by River. The two are confronted by the Lone Centurion himself, Rory Williams, but the Doctor barely registers the encounter, too busy trying to tap into "another dimension".

Back on the Minyan ship, prior to its landing on New Minyos, the Fourth Doctor is similarly distracted by what he describes as a time echo.

Back in the UNIT HQ laboratory, the Thirteenth Doctor finally remembers what she knew the place from, and also realises that "there is a fragment of [her] just beyond reach in a nearby dimension", namely her symbiotic nuclei. She guesses that there must be bundles of them overlaid over each Waypoint.

The Twelfth Doctor is coming to a parallel conclusion, and as he concentrates on it, his consciousness becomes almost completely untethered from linear time, with his awareness jumping between multiple incarnations.

On Skaro, the Tenth Doctor pursues his analysis of the symbiotic-nucleus traces, and discovers signs that the Master is involved. He heads back to the TARDIS, determined to track him down.

Episode 14: Not What You Know But Who You Know
Jo and Benton find out via the Thirteenth Doctor that the Master is involved, and she wants them to call her if he turns up and that she'll leave a note for the Third Doctor on what he should know.

Vastra shows concern on whether the Master shall appear in their location. The Twelfth Doctor doesn't think so but states its possible that Missy might, and that it'd be more personal than her Nethersphere plot.

River tells Rory to prepare himself for the Master, though quickly realises he isn't familiar and never crossed paths with him, due to the fact Rory has spent the entire time simply guarding the Pandorica.

Martha and Liz Shaw are made aware of the Master situation, with Martha believing him to be dead, though the UNIT files state otherwise. The two had been told to capture the Master alive due to them needing information from him, but, due to the file stating that he rarely repeats himself, they may not have to expect him at all. Regardless, they'll be ready for him.

Sarah Jane and Rose also talk about the Master, with Sarah Jane being aware of him but not having ever met just like Rose. They also talk about the elusive topic about the Doctor's family.

On Gallifrey, Nardole and Bill discuss the Doctor's belief that the Master is responsible for his memory mishap

Episode 15: The Dark Side Of The Moon
Kate Stewart inquires to Petronella Osgood as to why they can't raise Dome Seven, which is due to a sphere found in a crater on the far side. Due to it being analyse in Dome Seven, it can't be raised. As it turns out, it's a Nestene Energy Unit and they are all in danger. As such Kate orders all personnel to stay clear of Dome Seven, Osgood suggests calling the Doctor, but him in his third incarnation is already there asking how much of the base contains plastic. Kate explains that almost everything does, with some of the domes being entirely 3D printed out of the material. She also states that the CCTV in Dome Seven shows three of their staff are dead, which the Doctor seems to believe is due to exposure to the vacuum of space. Osgood interrupts by stating the airlock hasn't been opened, but the Doctor is aware the Nestene Consciousness could have done a number of things to make that happen.

Things go from bad to worse as Dome Six's 3D printer starts by itself, which the Doctor says is printing Autons. He explains that one of the Energy Units has a small part of its consciousness stored in it, but enough to cause chaos, and that their antenna will be the next target which they'll use to download more of its consciousness. After they take over the Moonbase, they'll redirect it towards Earth. He asks to see Osgood's electronic stores.

The Doctor creates a device that's to be attached to the antenna to neutralise them, Osgood likening it to the jammer he built with Liz. The Doctor tells Osgood to patch the link to the console and for her to be ready to activate it when he signals. Osgood volunteers to take his place due to him being more valuable to the Earth but the Doctor refuses, though would like a space suit for the occasion.

The plan is nearly finished, but the Autons are closing in on the Doctor. He combats them with Venusian aikido which was easy for him due to the extreme cold making their plastic bodies weaker. The plan works and the Autons all collapse, the Doctor asks for a shovel to rebury the Energy Unit.

Episode 16: Lunar Petri Dish
After having taken samples from the Energy Unit he discovers that there are atypical traces that should require further analysis. Kate ponders whether this group is from the original invasion group but the Doctor doubts it as they aren't known for mistaking mistakes or improvisation.

Kate was analysing data of their impact, but the Doctor believes their landing was planned, as the coincidence of it being found near a moonbase that wouldn't be built for decades is troubling. Kate asks whether the Nestenes would know that a base would be built before even they did. Given the only possibilities are foresight and time travel - and they have neither - the Doctor and Osgood deduce they had help from someone who does.

Having completed tests, Osgood find traces of artron energy, meaning it has indeed travelled through time.

Back a the Pandorica, the Thirteenth Doctor is checking for Time Sense bits. She states there are lots of traces here from an earlier version of her. Yaz wonders if there's any sign of the Master, Dan Lewis unaware of who they are. She explains who the Master is to Dan though her memory fails her as she can't remember what they used to do. They return to the TARDIS.

Episode 17: Breadcrums In The Forest
In London, Vastra offers to help the Twelfth Doctor with his research if he helps with theirs. The Twelfth Doctor explains he's losing time in shards and doesn't want to play detective, but Vastra states it is important. Jenny Flint says that they suspect foul play as any physical traces vanish. Strax continues that no evidence can be found to suggest they were being dragged. The Doctor does a scan with his sonic sunglasses.

The trail directs them to an abandoned warehouse, though nothing is known about the owner of the building. The Twelfth Doctor decides he's going in, despite the danger as Vastra protests. He responds by saying there's nothing more dangerous than him, so Vastra decides to accompany him. Strax and Jenny stay outside to guard the perimeter. They enter, the Twelfth Doctor sensing a tingling and detecting the smell of copper in the air, meaning they entered a Transmat gateway disguised as the door to the warehouse. This has transported them to a Minyan ship, though there's something off about it.

Vastra claims to sense the stench of death in the air. They are then forced to hide as Daleks enter the ship desiring humans for experimentation, and that the plans obtained from the Time Lord time vessel must be completed.

Back on Gallifrey, the Fourth Doctor is telling Leela that Time Lords and their bureaucracy bore him. The reason for their visit it due to the library of Gallifrey potentially containing information about his current problem. They find a note for the Doctor, detailing that the Doctor is the writer's dearest enemy and it seems that he's finally won. It's clear that it's the Master, but it appears as though he's suffering from the same condition that the Doctor is.

Episode 18: The Moons Of Skaro
On Skaro, Rose notices an extra moon in the sky. The Daleks are clearly concerned about it as their patrols have tripled. The Tenth Doctor boosts their perception filters so the Daleks don't spot them by accident. The Tenth Doctor uses his sonic screwdriver to find out what he can about the moon, and finds out it isn't one - it's a space station. A Cyberman space station, one that used to be a moon that was entirely cyber-converted.

The Daleks receive an incoming transmission from the space-station. The Cybermen demand information, ordering them to release the plans for the time ship. The two factions threaten to destroy the other.

The Tenth Doctor says it's time for them to leave, despite the TARDIS needing the energy from the waypoint due to how dangerous things are looking to be.

Back in Clara's TARDIS, Ashildr senses that the TARDIS is having some sort of trouble. Ashildr tells Clara to check the vortex energy. They find the node of another TARDIS unknown to them.

Episode 19: Jurassic Strife
Liz and Martha assures the Sea Devil of their ability to establish the relationships between species with the help of UNIT. The Sea Devil agrees before a UNIT soldier cries out that they are under attack by an unknown assailant. The attack puts the Sea Devil at unease as he's concerned the humans aren't peaceful. Eventually Martha loses communication with the surface, and wondering who attacked them the answer soon reveals themselves to be Silurians, who claim Atlantis now belongs to the Southern Clan.

The Silurians are surprised that Atlantis has fallen and its people are dead, and are disappointed they won't have their revenge. Instead they opt to turn to their descendants, with Liz and the Sea Devil wanting them to not escalate any conflict. The Sea Devil continues negotiating with the Silurians confirming the UNIT soliders are knocked out rather than dead. Given the population of humans now reaches billions, the Sea Devil assures them that co-operation is a better alternative than conflict.

The Sea Devil convinces the Silurians, but they're far from a peace treaty. The Siluarians are open to talks.

Episode 20: Two's Company
The Third Doctor has instruments for the Artron traces. He goes to investigate and leaves Kate and Osgood in charge of the base. As they talk, Missy appears with malice intent, but refers to Kate as the Brigadier, clearly under similar confusion to the Doctor.

They confront her about the Nestene, but she still seems confused about the order of things, referring to Osgood as Lizzy. Missy temporarily gains clarity and explains that her timeline is falling apart and is losing connection with her previous selves, and that she'll be dead without the connection, but she doesn't know who is doing this. Kate connects this to the memory loss of the Doctor, Missy says that she passed it on to him - like a virus that only affects Time Lords.

Episode 21: Cold Storage
In the caves of Mars, the Thirteenth Doctor, Yaz and Dan are there to establish another waypoint to harvest the vortex energy. An Ice Warrior appears behind them. Unaware, the Doctor asks them to help with the knot of cables, Dan offering to help due to his experience of Christmas tree lights. Yaz offers to help with a device the Doctor forgets the name of, causing her to be worried and says she should rest. Eventually, they notice the Ice Warrior.

The Ice Warrior asks the purpose of their visit. The Doctor wonders why they're awake in this century as they should be hibernating, the word "Doctor" piquing his interest as there is a Doctor in their history. To the Doctor's surprise, the Ice Warrior says they are grateful as their hibernation chambers malfunctioned causing some to awake early and without her help they would've died, and that the Doctor traded their services for technology. The Doctor asks what technology the Doctor asked for, and is told that it was one of their cryogenic tissue sample preservation units, which causes the Doctor to potentially figure out who is behind everything.

Back in UNIT, Jo asks the Third Doctor where or when he's been. The Doctor goes to run tests and suspects the Master, or someone similarly clever and evil, is behind everything. He comes to a conclusion on who it must be.

Episode 22: Skirmish In Skaro
The Tenth Doctor, on Skaro, dislikes the current situation where it's a war between Daleks and Cybermen, but hopes they'll wipe each other out. Rose asks if this reminds him of the Last Great Time War and that they have to stop it. The Tenth Doctor believes the best course of action will be to let them wipe each other out, but Rose and Sarah Jane tell him they won't consider collateral damage and that they could prevent a war altogether.

The Daleks and Cybermen fight each other, with the Tenth Doctor getting in the middle of the two warring factions. The Daleks and Cybermen both say the Doctor must be destroyed, with the Tenth Doctor pleased at their finding common ground. The Daleks and Cybermen cease while the Tenth Doctor speaks, though they eventually bicker about wanting Time Lord technology and start the fight again. The Tenth Doctor says it's time to change the game, and elects to move the Time Lord technology away to stop the conflict. Using his sonic screwdriver, he detects no Time Lord technology here besides his own. The Cybermen confirm the data and evacuate to engage in search protocols.

Back in the TARDIS, Ashildr tells Clara their plan is going well, though it's a shame they're going to crash into the pink elephant. She says they won't help the Doctor because he can help himself, but Clara says they could send him a warning at least.

Episode 23: Game of Clones
Vastra asks the Twelfth Doctor what purpose the Daleks have being in London, which he doesn't know. The Dalek says their experiment isn't complete and that more subjects are required to complete the evolution. They mention how data from the time ship was acquired by "inferior beings" and that time squads search for specified raw materials. When they have sufficient mass, their experiment won't fail.

They activate a transmat and return to their command centre. The Twelfth Doctor asks Vastra for a distraction to deal with the other Daleks, with his plan being to hack computers to see their plans. Vastra paralyses the Dalek and they discover that the transmat was headed into London, so the Twelfth Doctor plans to disable it after they leave. The paralysis is wearing off, and they leave.

Back at UNIT, Jo is worried about the Third Doctor's lack of rest given the circumstances, in which he takes on the First Doctor's personality and calls her Susan. Benton walks in concerned for the Doctor.

Episode 24: Cold Logic
The Thirteenth Doctor explains that there are several uses one might have with a cryogenic tissue preserver, like keep a biological sample protected from all elements, terraform a planet and as a walk-in freezer. Yaz wants to ask about the stranger, but the Thirteenth Doctor advises against it. Yaz asks the Ice Warrior questions regarding the stranger regardless, but the Thirteenth Doctor interrupts him. When Yaz asks why she's doing that, the Thirteenth Doctor states that the stranger might be a future her. The Ice Warrior returns to his vigil as they continue to talk about the Thirteenth Doctor not wanting to know about her future, though Yaz suggests it may be her past.

Yaz pushes the Thirteenth Doctor on her behaviour before she finally confesses that she's scared in a way she hasn't been for a long time as she might not like what she finds when she pushes on in the situation. Dan interrupts by stating that the waypoint is full of gas - the Thirteenth Doctor saying it's Vortex Energy. They decide to leave as a result, the Thirteenth Doctor says to talk to a mysterious stranger about a fridge.

Ashildr tells Clara they got involved earlier and won't do it again, but Clara disputes this. She plans to instead go somewhere nice and isolated, wherein Clara breaks the news that someone is tracking their TARDIS in the Waypoint Network.

Episode 25: Seek, Locate, Exterminate!
The Twelfth Doctor and Vastra are back on the streets of London with the TARDIS and Jenny safe. The Doctor tells Vastra to make sure none of the Dalek survives. Vastra tells Strax and Jenny that they're going on a Dalek hunt.

The Twelfth Doctor is back at the Pandorica calling out to anyone before finding scorch marks from a Dalek weapon, and concludes they have kidnapped River for their experiments. Back in London, Strax confronts the Dalek, whom he melts with acid. The noise alerts the police, so they leave to track down the Time Shards. The device the Doctor gave them to track it down buzzes meaning one is close by.

Rory returns with provisions to find River gone.

Episode 26: The Road Twice Taken
The Paternoster Gang try to follow the signal and arrive nearby. The TARDIS lands near them, with the Eleventh Doctor and Clara stepping out, immediately wanting to set up a Waypoint, and then leave, causing confusion between the Gang.

The Eleventh Doctor and Clara land in Christmas on Trenzalore, with the Eleventh Doctor stating this was a place he didn't want to visit again. Clara wonders why they're here, landing after he received a message in the TARDIS. They are there to setup a Waypoint. Strax performs reconnaissance with Clara.

Episode 27: Deep Diplomacy
Jo asks the Third Doctor why they are back in Atlantis, to which he says to search for knowledge lost to time. Jo spots the Sea Devils and Silurians. Liz introduces Martha to the Third Doctor and asks him for help with the diplomacy. He says he's busy and suggests calling the UN, but Liz says he's the most qualified.

Later, the Third Doctor is impressed with the way things are progressing as they've drafted the treaty and now need to focus on the details. He says he has to return to his work and goes to the library with Jo. The two talk about Atlantis before the Third Doctor has an epiphany.

On Gallifrey, the Twelfth Doctor explains to Nardole and Bill how the Ice Warriors gave cryo units to the time traveller who they suspect is Missy. The Doctor tells them to stay and maintain the Waypoint.

Episode 28: Queen Eats Bishop
The TARDIS lands on Skaro, the Tenth Doctor explaining they need to move fast as the peace will only be temporary. He explains that he needs to automate the Waypoint to generate Vortex Energy and that they need to leave. Rose asks if the Waypoint will be okay left on its own, the Tenth Doctor ensuring he's doing everything he can so this is the case. He says he's calibrated it, and takes everyone into the TARDIS and departs.

The TARDIS lands back on Skaro, the Tenth Doctor exiting confused, believing he had done everything correctly. Sarah Jane speculates the Waypoint isn't generating enough energy for the TARDIS. The Tenth Doctor says there's something else they can do, Sarah Jane offering to stay and man the Waypoint as he goes to stop the conflict. He increases the security for them using perception filters and reinforcing the locks.

Rose and Sarah Jane talk, concerned about leaving the Doctor alone. They hope that the Cybermen have left Skaro. Back on Christmas Town, Strax tells Clara that the perimeter is secure. As they squabble, a voice interrupts them, stating "Glory to our new leader! Glory to Sontar!" The Sontarans are on Trenzalore.

Episode 29: The Best of Enemies
Kate welcomes the Twelfth Doctor to UNIT Moonbase One, and is shocked to find Missy there, though Osgood explains she's unwell and arrived at UNIT asking for help. Kate adds that she has a pathogen that only affects Time Lords, though Missy wants to keep it a secret how she came by it. The Doctor confirms the diagnosis with his sonic sunglasses.

The Doctor fills people in with the war between Cybermen and the Dalek which threatens the universe. He asks Missy to work with him to find a cure or she'll spend the rest of her lives in custody. Missy starts with checking for Artron Energy traces with factoring the decay rate a few hundred years, with the strongest traces being in the 19th century.

Vastra sees something in an alleyway, which Jenny can't see due to differing biologies. She states they're a group of short dome-headed figures - a Sontaran base camp.

Episode 30: Let the Experiment Begin
The Eleventh Doctor is putting the final touches on the Waypoint when Strax and Clara break the news that there are Sontarans on Trenzalore. The Doctor investigates their camp and sees at least twenty of them using Gallifreyan technology such as transmat equipment and other devices. Strax says they've mentioned working for a new leader.

The Doctor goes to chat with them, despite Clara's wishes, and she and Strax go off to protect the Waypoint. A Sontaran tells him to identify himself or be shot, so he identifies himself as the Doctor, leading to his capture. Clara convinces Strax to go to help the Doctor. They arrive, with a Sontaran threatening to go through all of his regenerations. The leader appears, and the Doctor is surprised to see who it is.

Episode 31: Shiny Cyber People
The Cybermen secure River and make haste to meet up with the Cyberfleet. River clogs up their respiratory filters with gold and escapes. As they search for her, River sends a distress signal. Ashildr responds, but won't pick her up due to the Cybermen. River asks for coordinates and fires up her vortex manipulator.

The Doctor and Missy arrive looking for River, though Missy quickly finds out she isn't there after hacking the terminal. The Doctor buys them time by locking the doors while Missy needs time due to something wrong on the network. She says she's not the only one hacking them. As they deduce it's being done by someone smarter than them, the Cybermen break the doors down.

Episode 32: Revelation of Omega
On Trenzalore, Omega reveals himself to be the leader, claiming that his connection to the Doctor drew him back to this dimension. Omega claims to have heard a voice calling for the Doctor across time and space. The Doctor asks why he attacked him to which Omega denies doing so as he needs him as he's weak and has thus infected him to replace him. The time illness that plagues him is Omega's doing. Each crystal the Doctor drops is a beacon tracing his timeline, as well as sabotaged his TARDIS. The Doctor using the Waypoints was what Omega wanted him to do. As the Doctor tries to deliver a speech about stopping him, Omega tells him that his "pets" are under guard should be make a wrong move.

Back on Skaro, the Tenth Doctor thinks he has a lead. As he does he sees someone else has hacked it, someone who knows very advanced techniques.

Episode 33: If I Touch It, It Will Burn
To find the data he decides to follow the flow of the Waypoints as someone is piggy-backing the network for this purpose. He speculates the Cybermen but think its too advanced for them as it requires in depth knowledge of time travel - knowledge only found on Gallifrey. He speculates another him doing it before he hears a crash. The Daleks have broken in, and demand his surrender. The Doctor barters with them claiming he has information explaining that their database is compromised and that they for once want the same thing.

In the Diner TARDIS, Ashildr demands information from River but she claims that she lied about that and just wanted a ride. Ashildr says if she wants to help the Doctor she won't. River says she'll do it herself and speaks to K9, asking him to deliver messages to the Doctors.

In Atlantis, the Third Doctor and Jo are interrupted by K9 who gives them coordinates.

Episode 34: Strax's Stratagem
Strax challenges a Sontaran to a fight, a distraction that lets Clara knock him out in the probic vent. Strax tricks another Sontaran into thinking he has orders from Omega. Clara congratulates him on that before being stopped by another Sontaran. Clara hears a TARDIS landing, and out comes the Third Doctor who knocks him out. Clara recognises him and Jo, and the Doctor says he was summoned by K9 and asks her to tell him everything.

The Doctor tells Jo there is no time to lose but Jo inquires about the duo. The Doctor says they need someone to guard the Waypoint and that Clara will be fine having a Sontaran bodyguard. They notice odd behaviour, as everything looks empty and abandoned. The Doctor says that if they were defeated there would be bodies and if they were driven off they would destroy the world.

The Twelfth Doctor remarks that Missy killed all of them which Missy wants to be thanked for, and asks him if he actually feels for the Cybermen. He says two wrongs don't make a right and tells Missy that this is Omega's doing. The Doctor doesn't feel good and begins falling unconscious, deducing they must be on Trenzalore.

Episode 35: Should Auld Acquaintance Be Forgot
The Third Doctor warns Jo about Omega and the chance for nasty surprises. Jo can't make sense of gadgets lying around which the Doctor believes are tools of his trade. She deduces that figuring out what they do could result in learning his plan but the Doctor can't make sense of the devices either. As they continue conversing, Missy arrives and asks which Doctor she's speaking to.

Introducing herself, Jo asks if "the Mistress" is the Master's wife. The Doctor doesn't trust her but she ensures she's trying to change her ways. He asks Missy why she's helping which she says is because Omega also infected her. The Doctor suggests he's clamping down on his timeline and erasing him from top to bottom. They decide to team up, and K9 appears to help as well.

The Thirteenth Doctor and Yaz are on the planet Tanus VI, with the Doctor saying that they have to wait. K9 arrives with a message from River Song stating "Snowcap Base". The Doctor recognises this as the location that causes her first regeneration.

Episode 36: The First, The Last Time We Ever Met
The Doctor remarks that something is interesting, with Polly Wright and Ben Jackson curious as to where everyone is. The Doctor thinks something peculiar is going on. He finds equipment that monitors the Earth's magnetic field. Suddenly Ben notices someone - it's Omega. The Doctor doesn't really recognise him but senses familiarity. Omega says he will soon cease to exist. The Doctor demands an explanation. Omega states that death is coming for the Doctor and with that a timeline collapse wherein he can take the Doctor's place.

Ben hurries the Doctor along but disappears with Polly. Omega attributes this to his timeline collapsing and they're disappearing because he never met them. The Doctor begins to talk, and the Thirteenth Doctor arrives just to see him disappear.

Ashidlr is apprehensive about doing what River says to do but Clara insists that they do. River adds that it's not for fun but to save the universe. There's a "flashy thing" that's coming from the Waypoint grid that is leaking.

Episode 37: Control Group
Omega tells the Thirteenth Doctor that the process has begun and won't stop. The Doctor doesn't seem to know who he is and says she was done with the Time Lord's proclaimed neutrality years ago when he introduced himself as Omega. She says she stands by her actions as being neutral in a world of evil would make her just as evil, and if she is to die for these actions so be it. She concludes by saying life is more important and not to let others suffer for her fate.

Omega calls her naïve as becoming her is more than simply bringing him back but about returning Gallifrey under his rule. He says that the universe with the Doctor is chaotic and that without them it will steady itself. She continues trying to talk sense to him, stating the universe will collapse if he only thinks of Gallifrey but the planet isn't the endgame for him, and just part of his idea for conquest. He says it'll be possible with the army he'll cerate which the Doctor links to the data obtained on River - his plan to increase the number of Time Lords.

On Skaro, a Dalek orders the Tenth Doctor to open a door, with him feigning ignorance and pretending it's a cupboard. As he refuses to do so, the Dalek threatens extermination. The Doctor causes a feedback loop in the Waypoint network and tells Sarah Jane and Rose to get down.

Episode 38: There Is A Song
In the Diner TARDIS, River says she needs Clara for her plan, with Ashildr refusing it. Clara wants to help however, no matter the risk, saying she's done something similar before and she is stronger now. River says she needs to send as much information as she can to the Doctors as Omega needed them distracted. She speculates that he met the Fifth one last meaning the Doctor is in grave danger.

Omega tells the Doctor she's weak and ignorant which doesn't phase her. He says he'll take over the universe without pets unlike her, regarding her human companions as her weakness. The Doctor says her companions are her strength. They continue to talk with Omega thinking he's won before River shows up.

Omega doesn't know what this will change, revealing he can still access the Doctor's timeline through Trenzalore. He says nothing can stop him in time - River suggests something outside of time

Episode 39: Cosmic Plumbing
Omega is dumbfounded but River tells him to check himself. He says he's not defeated yet. The Doctor asks if everything is alright and she says "we" have everything handled, offering to show her what she means. The First Doctor returns.

Earlier, on Trenzalore, the Third Doctor and Missy have a device using Vortex Energy. The Doctor wonders why he is creating a dimensional rift, which Missy realises is bad news. Missy tries to explain how this planet will have significance in his future without being obvious about why and says that this is important to target their timeline. Missy also suggests destroying the machine before it destroys the universe. The Doctor notices the machine is transferring energy but isn't sure how it's being directed through their timeline - Missy telling him it's the time illness, as it made the Doctors need the Waypoints. To stop it they need something immune to time.

Ashildr says she expected a bigger explosion but that comms are down. The Doctor is knocked out shielding Jo from the blast, with Clara suggesting to check the machine and ensure everything worked. Ashildr notices someone remotely rerouted the energy - Clara wondering who did it and where it went. Ashildr reveals it was transmitted to Skaro.

Episode 40: Climax From Start to Finish
Now, Omega arrives on Trenzalore to find out who interfered with his plans. He asks Clara and Ashildr how they disabled his machine, with the Thirteenth Doctor and River arriving to taunt him, teling him he should know if he was clever and he'll figure it out of he puts effort into it.

Omega states how he won't be defeated but Missy tells him to take the L and that comms are back but the Doctor just left and is headed there. The Doctor says his theory was faulty from the get-go. Omega says this isn't the end and will try again to destroy her and vanishes.

The Tenth Doctor expresses his surprise that they've survived, before pretending it was part of the plan, as Sarah Jane points out the Daleks are destroyed by the Vortex Energy. Rose asks what's next, with the Doctor stating they never did get round to seeing Barcelona.

Episode 41: Fields of Crimson
Iraxxa addresses the Lords of Mars, giving a speech about how they've spent years developing their might and rebuilding their empire, with them heading out to beyond the stars soon, taking peace with them. Ice Lord Kaixa disapproves of these peaceful ways, Iraxxa asking him if he has a better solution. He says he does and addresses the Lords of Crimson, saying by their nature they are warriors and thrive in conflict. The two argue their opposing sides.

The Fourth Doctor says he's tired and can't stand for this any longer. Sarah Jane asks what's wrong to which he says he feels these walls around him are closing like a cage. Harry Sullivan offers to fetch something from the infirmary, but the Doctor quips that they don't stock freedom in pills, as he just wants to travel. He arrives on Mars, glad to finally be free in the infinite cosmos before Sarah Jane reveals it's just Mars, disappointing him. He opts to head back into the TARDIS, when an Ice Warrior is alerted to their conversation. He engages the intruder alarm.

Kaixa speaks to himself how everyone will turn on Iraxxa before the Ice Warrior reports intruders. He order him to bring them to him.

Episode 42: Drenched in Crimson
The trio are taken to Kaixa, who welcomes them to the land of crimson sands. He leads them to his leader. Iraxxa seems frustrated at there being humans on Mars again, but had her interest piqued when the man introduces himself as the Doctor. Kaixa asks her plans with the intruders which she says cultural exchange - Kaixa isn't pleased. The Doctor tries to convince Kaixa that they have a positive future ahead of them. His way of speaking leads Iraxxa to believe they are the same person - with them knowing of Alpha Centauri, though Kaixa thinks these are lies. They offer to get and get them but as they're intruders he says they can never leave.

Iraxxa tells them to ignore him as he's an outspoken supporter of war and that she followed his future self's instructions to wait for Alpha Centauri's envoys. Her faith is wavering and she asks the Doctor if he knows how to contact Alpha Centauri - which he can do if he sets it up via the TARDIS

Episode 43: Burning Crimson
An Ice Warrior tells the Earthlings to wake up and to follow him to the prison. He explains that Iraxxa is under medical care as she was attacked, making them the prime suspects. The Doctor antagonises the Ice Warrior whom responds by knocking him out, Kaixa appears telling them they'll be next if they continue to talk and orders the Ice Warrior to take them to jail. Harry tells Sarah to get behind him and attempts to fight the Ice Warrior - with a hit, nothing happens.

Now the Doctor and Harry are knocked out cold - Sarah Jane tries asking herself questions like how to get out of there and who could've attacked the Empress. She also tries thinking what she'd do if she was the Doctor, leading to getting the sonic screwdriver from his coat. She now says to herself that she needs to find evidence in their favour.

The Ice Warriors approach, finding an escaped Sarah Jane, who tells them to leave her alone, offending them in the process. They wonder if Kaixa needs her in one piece.

Episode 44: Crimson Rust
She tells them if they think she'll just give up then they're mistaken. The Doctor compliments her for standing her ground, and notices Harry also out. The Ice Warriors are knocked cold thanks to the Doctors Venusian aikido. The Doctor tells Sarah to follow him as there is no time to lose to solve the crime. He said while he was unconscious he thought deeply about the crime, before revealing he's joking and that the culprit is obviously Kaixa.

They wind up in the Royal chambers and meet up with Iraxxa, content that the traitors haven't dispatched him. She's recovering but Kaixa has taken advantage of the situation, chasing off her retainers and replacing them with his own. The palace crawling with enemies has given the Doctor an idea; Sarah Jane already knows they won't like it.

He mentions thermal hotpots under the surface which he'll search for and raise the temperature of the tunnels. However the gap to access them is small - Harry asks if they have explosives but Iraxxa says there may be something else useful. She mentions a drilling machine brought by humans which the Doctor offers to rig to get the thermal fissure open while Iraxxa alters her armour settings in preparation. The Doctor takes Sarah while Harry stays with Iraxxa.

The Doctor tells Sarah that the drill has done its job.

Episode 45: Crimson Twilight
Kaixa notices the prisoners have escaped, with the Ice Warriors soon noticing the change in temperature. Iraxxa tells Harry she feels the temperature rising and her armour can barely keep up. They hear a crashing noise - Kaixa's men begin their approach. They encounter finally, Iraxxa giving him one last chance, when he attacks - Harry tells them it was a dishonourable move to attack while discussing.

He confronts Kaixa who declares himself new king of Mars. Harry says he still has to get through him, and that he's a former Royal Navy boxing champ. Harry knocks out the Ice Lord, and Alpha Centauri appears apologising for the delay.

Back on Earth in UNIT HQ, the Doctor laments that he's back in his cage. He claims it was a mere outing for him, but Sarah Jane feels he isn't being entirely truthful.

Episode 46: Ood to Joy
On the Ood Sphere, an Ood asks Ood Sigma is the preparations are ready to which he replies that everyone is in place for the concert. The Ood thanks DoctorDonna for helping them contact the Shadow Proclamation who have also received invites and that they will arrive shortly. Another Ood says the conductor has arrived but the Judoon Delegation are late.

Inside the Tenth Doctor's TARDIS, the Doctor tells Donna Noble that they're about to witness history - the Ood concert will be remembered for ages. He also explains that one reason for this journey is to show Wilfred Mott the universe. They arrive on the Ood Sphere and take their seats for the concert designed to echo a call for peace across the stars.

Ood Sigma introduces them to the composer that'll direct the choir who goes only by the name the Conductor. He goes off to tune the console, which strikes an Ood as odd.

Episode 47: Oodlight Sonata
Donna is tired of waiting, but the Doctor explains it can't be easy broadcasting a signal across the whole galaxy. They go to look for their seats. Donna wants snacks so he offers to get some from the TARDIS before Ood Sigma wants a moment of his time, mentioning concerns from the other Ood regarding the Conductor - negative emotions. He asks the Doctor to keep an eye on him. The Doctor and Donna go to check him out, with Wilf staying behind for the concert.

The Conductor is almost done and ready before the Doctor interrupts him. When asked about weirdness, the Conductor mentions he had trouble arriving here - a near encounter with a Sontaran battle cruiser. Meanwhile Wilf is in awe of the planet before the duo return to him.

Minutes earlier, the Conductor talked to himself saying the Doctor is as blind as the Ood and that tinkering with the Chameleon circuit was genius. He says his masterful plan can begin with the Doctor here. He drops his disguise, revealing he was the Master the whole time.

Episode 48: Voices of Oodsphere
The Ood tell the concert goers that the show is about to commence. The music begins, Donna is impressed but the Doctor senses something is off as the Judoon guards never arrived. He goes to snoop around, telling Donna and Wilf to stay put. With the Doctor leaving the auditorium, the Master is pleased. He tells himself it was child's play directing the Sontarans to chase the Judoon and that soon the whole universe will know he is their master. He monologues further, stating the choir doesn't know any better, that a carrier wave with hypnotic properties will wash over the cosmos and everyone will answer to him.

In the TARDIS, the Doctor looks for the number for the Shadow Proclamation and calls them. Judoon High Commander Gridon responds and tells the Doctor that contact with the Oodsphere is impossible as they were attacked by a Sontaranl battle cruiser. Realising the peril, he says he has to go.

Back at the concert, Donna and Wilf discuss how beautiful the concert is going, before Donna notices something happening to people on the screens in the stage from other planets. Wilf states they appear to be collapsing, with one drooling. Donna says they need to find the Doctor. The Master is pleased by the effect - an army across the stars all obtained from a celebration of peace. His monologue is interrupted by Donna.

Episode 49: Tragic Oodverture
She confronts the Master who doesn't seem to be listening to her as noted by Wilf. She slaps him across the face to get his attention, Wilf goes off to find the Doctor. The Master is bitterly offended by what Donna did who threatens him with more if he doesn't stop what he's doing. He says he'll comply and stop sending orders to those under his control, but they start dropping as without his brain waves, they can't stay alive. The Doctor joins in on the conversation.

The Master remarks he doesn't like this new body but that he's already won. The Doctor tells him to stop.

To be added

Episode 50:
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Episode 51:
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Episode 52:
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Episode 53:
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Episode 54:
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Episode 55:
To be added

Time of the Cybermen
A mysterious phonecall to the TARDIS phone draws the attention of the Eleventh Doctor and Clara. Meanwhile the Cybermen and their Cyberlegions seem to be operating across time and space with a single malicious goal in mind.

Surf & Turf
Silurians and Sea Devils attempt to invade Victorian London at the same time. Only the Paternoster gang is present to stop them, with Madame Vastra attempting to gain enough time for Jenny Flint to gather Vortex Energy and call the Doctor.

Enlisted
Elizabeth Shaw, an alternate version of UNIT's own Liz Shaw finds herself trapped in our dimension, trying to leave and return to her own home. She will need to play coy and be sneaky if she wants to avoid being detected.

Purity of the Daleks
Skaro materializes over Earth as the Dalek Empire is on a cleansing crusade, attempting to destroy every divergent Dalek from the Universe as a way to avoid any imperfect Daleks ruining their plans. The Twelfth Doctor and Bill Potts will face this peril.

Reverse the Polarity
A squad of ancient Ice Warriors, freed after 13,000 years from the Antarctic Ice, seize control of Snowcap Base and the UNIT Moonbase, with the intent of transforming the Earth for a Martian invasion.

Exodus of the Silurian
A colony of Silurians have left Earth in the far future, using a refitted ship obtained from a wreckage to transport their people across the stars. A malfunction of its engine puts the whole crew in danger so the Tenth Doctor and Martha will arrive to help.

Proud Son of Sontar
Ensign Trak, a loyal member of the Sontaran Empire, is sent to Earth to defeat the Doctor once and for all. The issue for him is that he isn’t the sharpest knife in the shelf, even when it comes to Sontarans.

Doctor Who?
The Doctor has lost his memory, Kate Stewart and Petronella Osgood try to help him by contacting Gallifrey through a beacon so they can get an specialist in Time Lord physiology.

Doom's Day Part I
A haven for cybernetic lifeforms is under attack and only the Doctor and K-9 can stop it… with some help from Doom.

Doom's Day Part II
Doom needs to protect Martin Tyr, a regular civilian, from any harm that others might deal him.

Planned Obsolescence
The Doctor is tracking down a series of malfunctioning Vortex Manipulators

Characters

 * Thirteenth Doctor
 * Yasmin Khan
 * K9 Mark IV
 * Tenth Doctor
 * Sarah Jane Smith
 * Sil
 * Bronze Daleks
 * Twelfth Doctor
 * Bill Potts
 * John Benton
 * Clara Oswald
 * Martha Jones
 * Fourth Doctor
 * K9 Mark I
 * Cybermen
 * Jo Grant
 * River Song
 * Ashildr
 * Liz Shaw
 * Sea Devil
 * Rose Tyler
 * Nardole
 * Leela
 * Tala
 * Vastra
 * Silurians
 * Rory Williams
 * Kate Stewart
 * Petronella Osgood
 * Third Doctor
 * Autons
 * Dan Lewis
 * Strax
 * Jenny Flint
 * Missy
 * Ice Warrior
 * Eleventh Doctor
 * Kerb!am Man
 * Inferno Shaw
 * CyberLeader
 * Cybertrooper
 * Mr Clever
 * Professor Thomas
 * Professor Jones
 * Sson
 * Tzaa
 * Ixna
 * Torg
 * Skaa
 * Reysa
 * Jenstra
 * Eldane
 * Jingo Trak
 * Omega
 * Ryan Sinclair
 * Jackie Tyler
 * Ben Jackson
 * The Medic/Tremas Master
 * Rassilon (off-screen)
 * Danny Pink
 * Amy Pond
 * Dalek Sec
 * Graham O'Brien
 * Peri Brown
 * Doom
 * Kamelion
 * Wilfred Mott
 * Second Doctor
 * Martin Tyr
 * Spy Master
 * First Doctor
 * Polly Wright
 * Ice Queen Iraxxa
 * Kaixa
 * Seventh Doctor
 * Ood
 * Davros
 * Fifth Doctor
 * Ood Sigma
 * Donna Noble
 * Young Ace
 * Lady Christina
 * Jenny
 * Sonya Khan
 * Krynoid
 * Eighth Doctor
 * Handles

Items

 * Waypoints
 * Kyfred Gems
 * Cards
 * Waypoint Cards
 * Character Cards
 * Item Cards
 * Kerblam Boxes
 * Free Kerblam
 * Bronze Kerblam
 * Silver Kerblam
 * Gold Kerblam
 * Platinum Kerblam
 * Secondary currencies
 * Henoch Matter (main game)
 * Mondasian Ingot (Time of the Cybermen)
 * Ancient Eggs (Surf & Turf)
 * Classified Dossiers (Enlisted)
 * Cellular Matrices (Purity of the Daleks)
 * Seed Pods (Reverse the Polarity)
 * Silurian Warrior Masks (Exodus of the Silurian)
 * Ammo Packs (Proud Son of Sontar)
 * Regeneration Energy (Doctor Who?)
 * Contracts (Doom's Day Part I & Doom's Day Part II)
 * Chronoplasm (Planned Obsolescence)

Locations

 * Main locations
 * Castle-gate ruins
 * Cyber-ship
 * Victorian London beach
 * UNIT HQ, London
 * Dalek City, Skaro
 * South Pole, Antarctica
 * Court, Silurian city
 * Sontaran Time Ship
 * Regeneration bay, Gallifrey
 * Doomed planet
 * Cal-Q-L0n
 * Urbsbandi
 * Waypoints
 * UNIT Lab, London
 * Dalek City, Skaro
 * Diner TARDIS
 * Atlantis, Earth
 * Minyan Ship R1C
 * Victorian London
 * Panopticon, Gallifrey
 * Pandorica, Underhenge
 * Mars
 * UNIT Moonbase, The Moon
 * Christmas Town, Trenzalore
 * Snowcap Base, South Pole, Antarctica

Crew
to be added

Worldbuilding

 * Kyfred Gems are "the rarest crystals in the universe".
 * Kerblam Boxes are products produced by Kerb!am, and include Free Kerblams, Bronze Kerblams, Silver Kerblams, Gold Kerblams, and Platinum Kerblams.
 * During her mission to take control of the Osterhagen Project, Martha Jones goes by "Greyhound Six".
 * Judging by the architecture, after arriving in Atlantis, Martha initially believes that she is "somewhere in Greece".
 * When Martha asks him if the Doctor is married, he begins to reply "Not for hundreds of… not now, no!".
 * Liz Shaw believes that deserts too hot for humans would make good habitats for the Sea Devils' "land-dwelling cousins".
 * The Doctors and companions use perception filters to move unnoticed in the Panopticon.
 * Big Ben is visible in the background when the Twelfth Doctor meets with Vastra.
 * In Vastra's time, a Silurian city existed where London now stands. Hyde Park was "a bad part of town".
 * Jenny Flint is busy interviewing suspects for another case.
 * Leela knows about Sontarans' weakness.
 * Yasmin Khan learned "basic forensic science in her first police courses".
 * The Twelfth Doctor describes his symbiotic nuclei as his "Time Sense".
 * A few times the Time Lord characters' consciousnesses are jumping around between different points in their timeline, which is a blurring of the Time Sense, called a time echo:
 * The Twelfth Doctor briefly calls Rory Williams "Jamie" and River Song "Jo", and also finds himself put in mind of a point when Jo had been hypnotised by the Master, necessitating the use of a Metebelis crystal to free her.
 * The Third Doctor calls Petronella Osgood "Jo" and later calls Jo Grant "Susan".
 * Missy similarly calls Osgood "Miss Grant" and "Lizzy", and Kate Stewart "Brigadier".

Story notes

 * In The Right Place At The Right Time, it is explicitly suggested by Clara Oswald that she was able to remember her splinters' lives as she states that her memories of crossing the Doctor's time stream are "a bit blurry now", but is still able to refer back to her experience as Oswin Oswald, using her inside knowledge of Dalek psychology to thwart another Dalek. This makes the story of very few to make this suggestion.
 * Furthermore, two different Claras are seen crossing paths in that very section of the game.
 * Several of the Episodes' titles in the game are references, either coincidental or on purpose:
 * Episode 1 is entitled Lost in Time, which is the name of the game itself.
 * Episode 8, which features a Sea Devil, is entitled A Deep One.
 * The Deep Ones are antediluvian, fish- or batrachian-like sea-dwelling humanoids from the works of H. P. Lovecraft. The novel All-Consuming Fire previously implied that Lovecraft's Deep Ones and the Sea Devils were one and the same.
 * Episode 20 is entitled Two's Company, which has several meanings, such as being 1936 British comedy film, a 1952 American musical, an Australian variety series running from 1959 to 1961, a British TV sitcom which ran from 1975 to 1979, a 1961 music album, a 1974 jazz album, a 2006 music album a home decoration company started up in 2009, a musical symphony collection from 2013, a romantic novel from 2017 and the title of the 2023 Once and Future audio story Two's Company.
 * Episode 23 is entitled Game of Clones, which is a reference to the franchise Game of Thrones.
 * Episode 25 is entitled Seek, Locate, Exterminate!, a phrase often used by Daleks when they’re hunting someone down to kill them.
 * Episode 35 is entitled Should Auld Acquaintance Be Forgot, which is a lyric in the New Year's Eve related song "Auld Lang Syne". This song was also sung by the British and German soldiers in the 2017 Christmas Special Twice Upon a Time and used in the trailer for the 2022 New Year Special Eve of the Daleks.
 * In Skirmish in Skaro, when the Daleks and Cybermen are battling, screaming their battlecries "Exterminate! Exterminate!" and "Delete! Delete!", the Tenth Doctor says "Doctor! Doctor!", a reference to the Rock-song Doctor Doctor by UFO. He claims it to be an 80s music, despite the song being released in 1974.
 * Although there have been many examples of this in fan fiction since 2015, this is the first BBC-licenced Doctor Who storyline to feature Clara and Ashildr after the events of Hell Bent.

Production errors

 * In Queen Eats Bishop, the TARDIS is accidentally laid over the Sarah Jane and Rose characters instead of behind them.

Continuity

 * The UNIT HQ building of the Third Doctor's era has recently "passed through the event horizon of a black hole". (TV: The Three Doctors) The Third Doctor saved the World Peace Conference "last January". (TV: Day of the Daleks)
 * The Tenth Doctor recalls to Sarah Jane Smith how he and her previously visited an even earlier version of Skaro. (TV: Genesis of the Daleks) Sarah reminds the Doctor that he also once told her about his very first encounter with the Daleks, when "they all lived in a city and ran on static electricity". (TV: The Daleks)
 * The Twelfth Doctor repeats the Eleventh Doctor's claim that he only "borrowed" the TARDIS and "always planned" on bringing it back eventually. (TV: The Big Bang)
 * Due to the temporal disturbances, the Twelfth Doctor meets a post-Trap Street Clara again in the very Nevada desert where they last parted ways. He remembers Clara and her death, but not this place (TV: Hell Bent); this supports the fact that by the time of his regeneration (TV: The Doctor Falls/Twice Upon a Time) he is revealed as having regaining at least some of his memories of her.
 * The younger Clara is wearing the outfit she did during her adventures on Skaro. (TV: The Magician's Apprentice, The Witch's Familiar)
 * Clara recalls how she was a Dalek for some time, and knows what it's like to be a "confused" one, but subsequently "got better". (TV: Asylum of the Daleks)
 * The Crystal of Kronos is visible in Atlantis. (TV: The Time Monster)
 * Martha Jones is pulled off-course by the disturbances while she's travelling using Project Indigo trying to activate the Osterhagen Project. She stays only briefly and departs again while holding on to the thought "there's no place like home". (TV: Journey's End)
 * The Fourth Doctor claims to have "some experience" with vortex manipulators due to an adventure "a few years back near Auderly House" which involved "Time Guerillas from the 22nd century". (TV: Day of the Daleks)
 * The Twelfth Doctor remembers his previous visit to the Underhenge and the nature of the Pandorica. It is still guarded by two Cybermen who believe that the Doctor must be incapacitated to "save the universe". (TV: The Pandorica Opens)
 * The Third Doctor has promised Jo Grant that he will take her to Metebelis III to see the blue crystals, but she has a feeling that they'll get side-tracked and end up someplace else. Indeed, when the Doctor eventually reached Metebelis, it spelled his death and regeneration. (TV: Planet of the Spiders)
 * River Song is aware that her real first meeting with the Tenth Doctor is at a later point in his timeline, when he is travelling with "the ginger girl". To preserve the timeline, she slaps a memory worm on the Doctor while he's distracted, erasing his memory of the encounter. (TV: Silence in the Library)
 * Rose Tyler is wearing the outfit she wore during her involvement in the 21st century Dalek invasion, and mentions that she's faced the Daleks "three times with two Doctors". (TV: The Parting of the Ways, Doomsday, The Stolen Earth)
 * Benton relates to Jo how Cybermen attempted to invade Earth "five years ago", and were defeated by UNIT "with the Doctor's help". (TV: The Invasion)
 * Bill mentions that Nardole is meant to be guarding the Vault. (TV: The Pilot, etc.)
 * Early in the Time War, the Daleks wiped our multiple species to prevent them from allying with the Time Lords in the War. (AUDIO: Desperate Measures)
 * The Fourth Doctor and Leela return to the P7E a short time after their first adventure there, both from their own perspective and the Minyans'. (TV: Underworld)
 * The Doctor tells Vastra that there's a dinosaur loose in London "again", and Vastra initially assumes he brought it there using the TARDIS again. (TV: Deep Breath)
 * The Doctor recalls that "the Silurians at Wenley Moor" used high-frequency devices to control their dinosauroid "attack animals". The Silurians also threaten to use the Silurian plague again. (TV: Doctor Who and the Silurians)
 * The three Silurians form a Triad. (TV: Warriors of the Deep)
 * Vastra relates that there was "an accident" that left her the only survivor of the Silurian groups. (TV: A Good Man Goes to War)
 * Symbiotic nuclei, the part of a Time Lord's genetic code which makes them time-sensitive, are featured. (TV: The Two Doctors)
 * The Doctor tells Vastra about facing the Fisher King before being interrupted. (TV: Before the Flood)
 * A note written by the Master quotes the Doctor as having said "if we fight like animals, we die like animals" in Logopolis. (TV: Logopolis, Survival)
 * When Polly mentions the Mary Celeste the Doctor claims it was caused by the Daleks. (TV: The Chase)
 * The Tenth Doctor tells Rose they never got round to visiting Barcelona.