Following the release of the Doctor Who season 15’s surprise sequel episode is a follow on from season 4’s “Midnight,” a great companion-lite adventure that sees the Tenth Doctor take an excursion to the titular planet made of diamonds.

“Midnight” is a beloved story and one of the best Doctor Who episodes by Russell T Davies. This episode is a great choice to get a sequel, but now that Doctor Who is giving audiences follow-ons of their favorite stories, it’s worth considering which other stories from both the classic and modern eras deserve the same.

10 "Boom Town"

Modern Era - Season 1, Episode 11

The Slitheen appear twice in Doctor Who season 1. The first is in the two-parter “Aliens of London” and “World War Three,” but when the aliens return in “Boom Town,” there is only one left: Margaret. The Slitheen don’t appear in the show after this episode, but they strangely become recurring villains in the Doctor Who TV spinoff The Sarah Jane Adventures, instead. In “Boom Town,” Blon Fel-Fotch ameer-Day Slitheen, better known as Margaret Blaine, makes a last-ditch effort to destroy the Earth, but after looking into the Heart of the TARDIS, she reverts back to an egg.

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The Doctor takes her back to Raxacoricofallapatorius for a fresh start, but who is she now? The Doctor Who comic “A Confusion of Angels” touches on this topic when the Twelfth Doctor crosses paths with her, but the show is yet to acknowledge the Slitheen again. Of course, the original Slitheen group aren’t the only Raxacoricofallapatorians in existence, either. I want to know more about the Slitheen family, the Raxacoricofallapatorians in general, and Blon’s fate after “Boom Town.” Plus, with Annette Badland starring in Ted Lasso, now is a great time to bring her back to Doctor Who.

9 "Human Nature" / "The Family Of Blood"

Modern Era - Season 3, Episodes 8 & 9

The Family of Blood in Doctor Who are an unnerving bunch, and considering how the season 3 episode of the same name ends, there’s a lot of potential for a sequel. After John Smith becomes the Tenth Doctor again, the Family are incarcerated by the Time Lord. Father of Mine is wrapped in unbreakable chains and locked away, Mother of Mine is imprisoned for eternity in a collapsing galaxy, Daughter of Mine is trapped inside every mirror in existence, and Son of Mine is suspended in time and disguised as a scarecrow, left to guard the fields of England.

Because the Family’s true appearances are unknown, there is potential for Doctor Who to get creative when reintroducing these characters.

While it seems like the Family are only one-time villains, there’s nothing that strictly stops them from returning to Doctor Who. Perhaps one of them somehow manages to escape the Doctor’s brutal punishment and breaks the others out. Daughter of Mine’s fate is a particularly interesting one worth revisiting, too. Because the Family’s true appearances are unknown, there is potential for Doctor Who to get creative when reintroducing these characters.

8 "The Doctor's Daughter"

Modern Era - Season 4, Episode 6

While I think it’s unlikely there will ever be a sequel to “The Doctor's Daughter,” it’s not impossible either. “The Doctor's Daughter” stars Georgia Tennant as Jenny in the years before her marriage to David Tennant. Jenny unexpectedly comes back to life at the end of the episode after she is shot by Colonel Cobb, and while Doctor Who’s extended media narrates her independent adventures well, many would still love to see her return on-screen. Considering the Doctor’s children in Doctor Who are a hot topic right now, now is the perfect time to bring back Jenny.

However, Jenny isn’t the only reason why “The Doctor's Daughter” deserves a sequel. Alternatively, a sequel could delve into the fallout of the Human/Hath war, and how the implementation of the Source’s terraforming changes the planet of Messaline. The soldiers believe the war spans several generations, but Donna works out it’s only weeks, so how does this information impact them after the conflict ends?

7 "The Eleventh Hour"

Modern Era - Season 5, Episode 1

The Eleventh Doctor’s debut episode, “The Eleventh Hour” is a great story, and I even considered the possibility that Doctor Who’s “The Well” Monster could’ve been Prisoner Zero. The main villain of “The Eleventh Hour” can take on various forms, including its own serpent-like appearance, which makes it incredibly eerie. At the end of “The Eleventh Hour,” Prisoner Zero is recaptured by the Atraxi and returned to prison. However, “Joy to the World,” establishes that Prisoner Zero is declared innocent at some point.

So, what happens with Prisoner Zero? Clearly something occurs between the events of these two episodes, and I’m curious to know whether Prisoner Zero’s innocence is legitimate or not. If not, is the villain coming for the Doctor in search of revenge? Even though it won’t make sense for a sequel to “The Eleventh Hour” to be set in Amy and Rory’s home village of Leadworth, Prisoner Zero still could reappear and cross paths with the Doctor anywhere in time and space, within reason.

6 "Amy's Choice"

Modern Era - Season 5, Episode 7

The Dream Lord is a Doctor Who’s Pantheon Gods, the Valeyard, or possibly both. Regardless of who he actually is, the Dream Lord is a villain Doctor Who should revisit.

Toby Jones, who portrays the Dream Lord, is a fantastic actor and a figure Doctor Who audiences would love to see again. Even if the character takes on a new form, and the part is therefore recast, many would still appreciate a return from the Dream Lord. The fact this villain is so ambiguous makes “Amy’s Choice” an ideal episode to get a sequel, especially as there are so many unanswered questions about the Dream Lord.

5 "The Zygon Invasion" / "The Zygon Inversion"

Modern Era - Season 9, Episodes 7 & 8

The season 9 two-parter “The Zygon Invasion” and “The Zygon Inversion” brings back the iconic villains the Zygons, but it also marks the final appearance of Ingrid Oliver as Petronella Osgood. Osgood is a fantastic character, and in “The Zygon Inversion,” she turns the Doctor down after he asks her to him and Clara aboard the TARDIS. However, Osgood stays on Earth with Bonnie, a Zygon who turns good and takes on Osgood’s exact appearance.

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There are several Doctor Who comics, prose stories, and audio dramas that follow Bonnie and Osgood’s adventures after “The Zygon Inversion,” but it’d be amazing to see the pair on-screen together again. Considering there is going to be a Doctor Who reunion in a different franchise soon, with David Tennant and Ingrid Oliver starring in The Thursday Murder Club adaptation together, I think Osgood returning to the show is a solid idea.

4 "The Time Meddler"

Classic Era - Season 2, Serial 9

Doctor Who’s Meddling Monk is yet to make a return to the show, and he has been missing from screens since the First Doctor serial “The Daleks’ Master Plan.” The Monk is the first Time Lord Doctor Who audiences meet, which happens in “The Time Meddler,” way before the first appearances of the likes of the Master or the Rani. The Monk features in multiple Doctor Who Big Finish audio dramas, but his close to 60 year absence from TV screens is making viewers question when he’ll return.

One Doctor Who theory that is yet to be confirmed is that the Monk is actually the Master. While current Doctor Who audiences know the Master’s return is imminent, this could be the perfect excuse to make a sequel to “The Time Meddler.” The serial is also worth revisiting for other reasons, too, like the Viking time period, Saxon villagers, and the potential for even more beautiful monastery settings.

3 "The Brain Of Morbius"

Classic Era - Season 13, Serial 5

Despite Doctor Who’s Timeless Child storyline being retconned, “The Brain of Morbius” should still get a sequel. “The Brain of Morbius” introduces the Morbius Doctors, eight previously unseen incarnations of the Doctor that come before William Hartnell. Some believe that these eight versions are actually the villainous surgeon Morbius, and while the Timeless Child contradicts this, the reversal of this storyline leaves the Morbius Doctors in a gray area. However, it seems that not everything about the Timeless Child is retconned.

Even if a sequel to “The Brain of Morbius” doesn’t touch on the topic of the Doctor’s other incarnations, Morbius himself is an intriguing subject. As a renegade Time Lord, there’s so much more to learn about Morbius. Plus, “The Brain of Morbius” also introduces the Sisterhood of Karn, who help the Eighth Doctor through his regeneration in “The Night of the Doctor,” and I’d love to see more of them, too.

2 "Enlightenment"

Classic Era - Season 20, Serial 5

Considering Doctor Who’s Eternals are introduced in “Enlightenment,” this serial is another that the show should think about taking another look at. “Enlightenment” focuses on the group of immortal god-like figures who compete against one another in a race for the titular prize, which provides them the wisdom to find their hearts’ desires. The Eternals use humans for their own entertainment and force them to take part in this race, making them ever more unnerving than many other Doctor Who villains.

Season 15 is taking things in a new direction with the addition of more Pantheon Gods, and seeing as there are several parallels between them and the Eternals, it would make sense for the antagonists of “Enlightenment” to return.

Season 15 is taking things in a new direction with the addition of more Pantheon Gods, and seeing as there are several parallels between them and the Eternals, it would make sense for the antagonists of “Enlightenment” to return. Even without the Eternals, a sequel to “Enlightenment” is possible. In this day and age, an episode of Doctor Who that focuses on beings that treat the universe as a toy, even a video game, is something viewers would likely engage with.

1 "The Trial Of A Time Lord"

Classic Era - Season 23

Doctor Who’s biggest unsolved mystery is the Valeyard, and that’s why a sequel to “The Trial of a Time Lord,” the subtitle of the classic era’s season 23, is needed more than ever. The fact that so much has happened in Doctor Who’s lore since the serial’s release in 1986, and the Valeyard’s absence since then, means the show can take the character in any and all directions. Doctor Who can reintroduce the Valeyard to audiences in any shape or form, and because we never really find out who he actually is, the show has endless options.

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Of course, there are some things we know a sequel to “The Trial of a Time Lord” cannot provide, like a Sixth Doctor regeneration scene or a return to Gallifrey. However, it could be an opportunity to delve into the fallout of Sacha Dhawan’s Master destroying the Time Lord planet, or, if Doctor Who wants to get really wild, reveal that the Doctor’s species actually reside in more than one place across the universe.

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    Doctor Who
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    1963 - 1989-00-00
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    Douglas Camfield, David Maloney, Christopher Barry, Michael E. Briant, Barry Letts, Michael Ferguson, Peter Moffatt, Richard Martin, Chris Clough, Lennie Mayne, Pennant Roberts, Ron Jones, Paddy Russell, Paul Bernard, Michael Hayes, Timothy Combe, Morris Barry, Graeme Harper, Gerald Blake, Hugh David, Mervyn Pinfield, Rodney Bennett, Waris Hussein, John Gorrie
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    Doctor Who: Doctor Who is a British sci-fi television series debuting in 1963, following The Doctor, a time-traveling alien Time Lord. The Doctor explores the universe in the TARDIS, accompanied by companions, confronting various adversaries and striving to save civilizations while addressing injustices.

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    An alien from the planet Gallifrey travels through time and space to explore, solve problems and fight injustice while also making friends with human beings. His spaceship, called TARDIS, resembles a police box, but it is much more than it appears to be.
     

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    December 25, 2023
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    Douglas Camfield, David Maloney, Christopher Barry, Michael E. Briant, Barry Letts, Michael Ferguson, Richard Martin, Peter Moffatt, Pennant Roberts, Lennie Mayne, Chris Clough, Ron Jones, Paddy Russell, Paul Bernard, Michael Hayes, Timothy Combe, Morris Barry, Gerald Blake, Graeme Harper, Waris Hussein, Rodney Bennett, Mervyn Pinfield, Hugh David, John Gorrie

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    The latest Doctor Who series introduces the Fifteenth Doctor, ed by new companion Ruby Sunday.