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      RECENT REVIEWS
   
DW 2-04: The Girl in the Fireplace
 
DW 2-05: Rise of the Cybermen (1)
 
DW 2-06: The Age of Steel (2)
 
DW 2-07: The Idiot's Lantern

Wednesday, 3 June 2026

Doctor Who (2005) 2-08: The Impossible Planet

Episode: 718 | Serial: 174 | Writer: Matt Jones | Director: James Strong | Air Date: 03-Jun-2006

This week on Sci-Fi Adventures, I'm writing about another Doctor Who two-parter, starting with The Impossible Planet! They didn't give us much of a break after the Cybermen two-parter, all we got was The Idiot's Lantern and then they went right back into another epic story. I guess they wanted to get this out just before the 6th of the 6th, 2006. For... reasons.

The season's basically structured the same last year though, and the series is going to continue giving us three two-parters a year (more or less) until a couple of seasons into Steven Moffat era. After that point they threw the idea of a regular format out the window, with some seasons having no two-parters, some being all two-parters, and one being a six parter! Honestly, it's very true to the original series, which was also all over the place.

Anyway, this is the first episode to be written by Matt Jones and the first to be directed by James Strong. So next time I write about one of their episodes I can mention that they did this. Though Matt Jones had written a Doctor Who novel, Bad Therapy, plus some articles for Doctor Who Magazine, so he wasn't completely new to the universe.

There will be SPOILERS below for the episode, but it's actually June 2006 for me right now so I can't give away anything that happens next. Just ignore all that stuff I just mentioned about future two-parters.



The episode begins with the Doctor and Rose walking out into a sci-fi cupboard. The TARDIS doesn't seem especially happy to be here, she's a bit queasy, which is probably a bad sign. In fact Rose even suggests that they could go somewhere else, which they both find hilarious.

I don't remember the Doctor laughing much a couple of episodes ago when he was freaking out about being a parallel universe. He was very keen to go somewhere else that time.

The Doctor's already determined that this is a base of some kind and not a spaceship, which just shows how good he is at this. In fact it's the type of base that comes as a kit that you have to assemble, which makes sense. It's much easier to build something on an alien world when you don't have to make everything from scratch. 

It's also handy to have a set already built if you're making a TV series, and this particular corridor ended up as the set of Totally Doctor Who... whatever that is. I know about Doctor Who Confidential and Doctor Who Unleashed, but this one's not ringing a bell.

Already there are signs that things haven't been going great here. There's a bit of environmental storytelling going on in Hab 3.

Though the Doctor can't read the writing and that's a concern. He doesn't have to rely on the TARDIS's translation abilities as he knows a ridiculous number of languages, but he doesn't know this one. Worse, the TARDIS doesn't know it either, which either means that it's older than anything the Time Lords ever encountered, or it's just some gibberish someone scribbled on a wall.

The Doctor at least knows that this is a Sanctuary base made for deep space exploration, and this particular one has drilling going on beneath it. So the series is making a rare visit to an actual alien planet! In fact it's the first time that Doctor Who has spent the entire episode on an alien world since The Greatest Show in the Galaxy in 1988.

It also has creepy creatures with tentacles for mouths coming out of every door, saying "We must feed".

They just keep saying it over and over as they move to surround them, which is very strange behaviour. I don't blame Rose for picking up a chair. I'm not sure what the Doctor intends to do with that screwdriver though.

And that's the cliffhanger for the teaser.


OPENING TITLES


But it turns out that it was just a glitch in their speech system and they were actually offering them food. They were also crowding around them and repeating the same thing in unison because... 

Anyway, the base's security team shows up soon after, and they're very surprised to find real live visitors here as that should be impossible. Kind of raises the question of why they're so well prepared for an impossible situation.

There's a big earthquake on the way though so there's no time to chat.

Actually there's still a little time left to chat, as the other humans greet their visitors. These guys are a pretty convincing space crew I reckon, even though Mr Jefferson and his security team are the only ones wearing uniforms. The dialogue sells it, that and the dog tags.

I'm not quite as convinced by the set though. I like the design with the console in the middle, and I think going with bright 'industrial bulldozer yellow' was a smart choice for what's basically a space oil rig. But they've really gone overboard with the wear and grime for a base that's presumably not even that old. And something about the cinematography is throwing me off.

It's got me thinking about similar sets in other episodes and how they were lit.

Top left is the classic Doctor Who serial Warriors' Gate from 1981. It's one of the best shot serials of its era but the characters are lit very bright compared to the backgrounds and it makes it look like it was recovered on video in the BBC TV centre.

Top right is Aliens from 1986, looking fantastic. The characters still very visible, but they feel like part of the scene. But the trick isn't just to light the scene flat and get rid of anything colourful, as there are two other future space horror 10th Doctor stories coming up which have lots of colour and look great.

I dunno, lighting and photography is hard.

Anyway the quake hits and causes some standard jets of flame to erupt from various bits of hardware like in Star Trek: Discovery. It kind of raises the question of why they had a gas pipe running under those consoles. 

Though Mr Jefferson rushes out with a fire extinguisher to put out the flames, so the story is still currently more realistic than Discovery. And Starfleet Academy as well.

The captain managed to deflect the quake so that it only took out storage five through eight. So as long as they didn't really need all those supplies they'll be fine. Also they mention that gravity is fine too, which isn't typically a concern on a planet!

I like this map by the way. It's cool to see how the rooms and corridors connect up. I suppose that one on the top right must be Hab 3, where the heroes were ambushed. 

The crew introduces themselves to their visitors, giving the audience a fighting chance to remember their names. Though Mr Jefferson's two sidekicks aren't mentioned at all! They all seem pretty nice and none of them have gone mad yet, even though that's apparently a risk when you stare at a black hole.

Ida Scott opens up the roof, given them a fantastic view of the black hole the planet is orbiting. It's not the most realistic looking black hole, even for the time (this was before Interstellar so it was never going to have the gravitational lensing effect), but that was deliberate. They wanted it to be a bit more 'Disney's The Black Hole', something the average viewer could recognise as a black hole. You know, I've never actually seen that movie.

The Doctor finds that fact that the planet is apparently in a geostationary orbit around a black hole to be kind of impossible, as their gravity is too strong for even light to escape. The thing is though, gravity diminishes as you get further away, so you can totally orbit a black hole, you just have to keep your distance. 

I'm going to say the science works here, because the Doctor's looking out of the window, so he can estimate how far they are away and do the maths in his head. I'm not sure about that 'geostationary' part though. I mean, why would you want to maintain position above a specific part of a black hole? Do black holes even rotate?

I like that the CGI exterior of the base matches the map.

The black hole is designated K37 Gem 5, though Ida calls the Doctor stupid when he asks what the planet's called. "It hasn't got a name," she replies. "How could it have a name?"

4 minutes and 30 seconds later, Ida explains that the planet is called Krop Tor, in the scriptures of the Falltino at least. We're getting a bit of exposition here, but that's fine as it seems like a good time for it. And it's delivered pretty naturally.

I like the lighting in this shot. Though it's got me wondering when the first 'all the actors stare at a hologram that was added in post production' scene was in a TV series. I know Star Trek: The Next Generation had a few back in the late '80s.

This is an illustration of the gravity field that the planet is projecting, which allowed them to safely approach and land despite the incredible inescapable gravity of the nearby black hole. I appreciate they went to the trouble of putting this into the episode as I needed something to help me visualise that.

It wasn't a completely smooth ride getting down though, as they lost the captain along the way. So Zachary Cross Flane wasn't supposed to be in charge, he was just next in line to take over. Now I'm wondering what his job was supposed to be. Toby's an archaeologist, Ida's a science officer, Mr Jefferson is security, Scooti's there to do maintenance, Danny is in charge of ethics apparently. Actually they mention that Scooti is a trainee, so maybe Zack was the original engineer.

Tardisode 8
We actually get to see the original leader, Captain Walker, in the episode's TARDISode prologue video (which was apparently filmed in the BBC Wales canteen).

It's a very short clip, just a minute long, and it shows Walker being given the job to take a crew to the planet and claim the power source generating the gravity field. How they're supposed get back out after the power is shut down is not discussed.

There's a close up of the set here which shows how much work actually went into it. They didn't just put stickers on the control panels, they've got them peeling off! Though this panel was probably originally from a music synthesiser or something, I dunno.

They even bothered to print SB6 on the tiny space cups!

It's at this point that the episode tells us about the Ood. They're a 'basic slave race' and 'everyone's got one', so that's a bit of a red flag about the society these guys are from. Turns out that the 'ethics committee' guy is actually there to manage the slaves.

Danny claims that the Ood offer themselves and if they don't get orders they just do nothing and die. The Ood even back him up on this, saying they "have nothing else in life". Rose isn't quite ready to fight for their freedom, more information is definitely required here, but she does tell them that she used to think like that as well, showing empathy and setting up the possibility that they could be more. The episode's definitely not just telling the audience 'they're slaves and it's fine, just roll with it'.

1-05 - World War Three
This is a side effect of an earlier revision of the story where the slaves were actually Slitheen (or Raxacoricofallapatorians), and they believed that the planet contained their god who would free them from servitude. Fortunately the producers realised that Slitheen would be too much of a distraction from the humans. Plus it turned out that they could get some new alien masks made for the same cost as refurbishing the old Slitheen costumes, so they went with that.

The uneasiness surrounding the Ood situation works in the episode's favour I reckon, as it gives them a motivation to be the villain, while also making the slave-owning humans seem potentially pretty villainous as well. It's all a mystery right now. 

The exposition continues with Ida explaining that they've been sent here to get the planet's incredible power source, which is ten miles down through the rock. Jefferson mentions it could be used to "fuel the Empire" which is maybe another warning sign about this society. 

By the way, if this diagram is to scale, then this rock is only 34 miles across, which is absolutely tiny for a planet. The smallest dwarf planet in our solar system is Ceres, which is 584 miles in diameter; 17 times wider. The moon is 2159 miles in diameter, so that's 64 times wider. Even the Death Star would be 3 times wider.

And the last bit of exposition is that they found the weird untranslatable text on fragments unearthed by their drilling. Toby just decided to write it on the wall under "WELCOME TO HELL" because, I dunno, it helps him think.

The Doctor is impressed by their spirit and gives Zack a hug. Though it's actually a cunning ploy by the episode to lighten the mood before it drops a bombshell: the TARDIS was in that part of the base that was lost in the quake.

The Doctor's so panicked that he actually tries to open the door, even though there's nothing out there but a chasm and a vacuum. So it's fortunate that the door doesn't cooperate really, otherwise that would've been the end of the series right there.

He tries to convince Zack to use his drill to make another tunnel so he can reach his ship, which he believes fell 'into the heart of the planet', but they've only got the resources to drill one hole. The Doctor's not entirely out of luck, as even with the supply cupboards trashed the cold equations still provide enough food and air to keep him and Rose alive until they're ready to leave. Ida even has a job for him: the laundry. Oh, so that's what Zack's job on the team must have been.

Things have suddenly got very real for the Doctor and Rose. He gives her a hug too, but this is more of a 'we're trapped together on a scary planet in the distant future' kind of hug this time.

Then there's a bit of an interlude, with scenes of characters doing their normal jobs as Maurice Ravel's Boléro plays. It's rare to get a moment in Doctor Who where life goes on as normal without any crisis to solve or anything suspicious to investigate.

I really like this shot of the drill control area, even if it's a bit confusing to look at. I can't quite tell if the lit up area on the right connects to the rest of the walkway. Also I don't get why the drill is up at the top of the screen if they're supposed to be drilling right now. I suppose Zack said they didn't have resources to dig a second hold, he didn't mention anything about how many drills they had.

There's even a shot of Scooti doing some maintenance work outside, which must have meant building a set with a spinning dish in the background. Incidentally, I'm glad they're crew is actually going around and checking stuff after that quake caused things in the control room to literally burst into flame. Very sensible.

Toby's not having much fun though. He's still trying to translate the text but he's interrupted by a creepy mysterious voice. Personally I'm more distracted by how the doors make the same noise as the ones in the video game Doom.

Meanwhile Rose is still not sure if she's doing a 'save the Ood' subplot or not. She's curious about their situation and can relate to them as she was doing this same job earlier in the season in School Reunion (which actually gets mentioned!) Though it gets a little weird when she asks one "Do they give you money?" and they reply with "The Beast and his armies shall rise from the pit to make war against God". They quickly clarify they meant "I hope you enjoy your meal", but that doesn't answer the question either!

It's interesting as the episode's not letting the Ood situation go or making Rose look dumb for not accepting their foreign culture, but it's also not painting the crew as bad people, or even ignorant to be treating them the way they do. This is actually a pretty decent set of people to be in a crisis with.

The weirdness on this base is definitely intensifying, though Zack turns around a little too late to see the scary holographic demon appear at his console. It's never really explained how the villain is doing this, I guess they have computer hacking mind powers or something.

Zack's currently alone in the command centre and that's not unusual for this two-parter. The poor actor, Shaun Parkes, was left filming in here on his own for days while David Tennant and Billie Piper disappeared off to film their scenes for Love & Monsters. The two stories were kind of simultaneously the last to be recorded for the season.

Then there's the best scene in the episode, or at least it is to me.

Toby's back in his room studying his relics when he hears the voice again. He goes to turn around, but the voice tells him not to or else he'll die. The voice keeps talking about how close he's getting, while continuing to dissuade him from looking, because the voice is a bit of a dick.

His fear of the creature creeping up on him finally overpowers his fear of turning around, but then he discovers that there's no one there! So that's a relief. Though the writing has disappeared from the thing he was examining, which has only made his job harder. The weird thing is that it's jumped across to his hands.

Actually the weird thing is that it's all over his face, and his eyes have turned red. It was at this point that Toby realised that he was screwed.

The sinister voice was played by one of the few returning actors from the classic series, Gabriel Woolf, who played a character called Sutekh in the 1975 serial Pyramids of Mars. In fact if you consider the Ncuti Gatwa era to be the start of a new series then he's part of an even smaller group of actors who has worked on all three incarnations of the show.

It's funny now that I think about it, how a guy called Gabriel keeps playing evil godlike entities.

Back in the mess hall, Ida opens up the window so they can watch the Scarlet star system getting eaten by the black hole. I feel like I need another line or two about how that even happened and how long it's taken the light to reach them.

Rose wonders if this is one of those black holes that leads to another universe, but it is not. Though the Doctor did actually travel through a black hole once in the story The Three Doctors.

Incidentally this is the same set as the command centre, they just redressed it a little and changed the numbers on the doors. Which means the actress was using the exact same shutter control lever both times. I like how they built the place a little bit above the studio floor so they could put lights under the grating.

Anyway, the most interesting part of the scene is arguably the part where the Doctor and Rose have to seriously consider the idea of settling down and getting a house. Maybe even the same house... together. Definitely a big moment for Doctor and Rose shippers!

It's not something he's really had to worry about before, at least not in the last few centuries. I don't even know if the Third Doctor had a house when he worked for UNIT or if he just slept in the TARDIS. I remember he kept it parked in his lab, as he spent most of his time trying to get the thing working again. To be fair it wasn't his fault he couldn't figure it out, as the Time Lords messed with his head as a punishment. Though we learn here that even with the full knowledge of time travel back in his head he couldn't make another TARDIS, as they're grown instead of built.

I bet he could make something though, he's always customising Rose's phones so they can transmit across time. Though they're so far away from home right now that Rose's new phone can't get a signal. Until it does, and a voice tells her "He is awake". She's not happy about that, and launches the phone across the room. Like I said, he's always having to customise her new phones. She gave her previous one to Mickey just a couple of episodes ago.

They go see the herd of Ood in their pen, seeing as they've been saying weird things as well. Danny gets a bit concerned as the low-level telepathic field that connects them is going haywire, like someone's screaming into their heads.

Though they have more to worry about when Rose mentions they said "He is awake," and they reply "And you will worship him".

The Doctor jumps straight into action, repeating the line to see if they respond again and then asking who they should be worshipping. No answer to that question.

Meanwhile Scooti's been trying to solve the mystery of how someone could've used the airlock without a spacesuit and finds Toby out there, sunbathing in the black sun.

I like this shot, as you've got the CGI base in the background, Toby standing a set, and then the window reflecting Scooti standing in another set. It's pretty well done scene. 

Unfortunately Toby now has telekinetic window-breaking powers to go along with his 'able to stand outside in a vacuum' power, and he kills her the same way the Daleks killed Lynda last season.

The others find her floating outside the window and she drifts away into the black hole.

I feel like they could've thrown in a line here like 'she's outside of the base's artificial gravity and the planet doesn't have the mass to keep her here' to explain how they could be standing on the ground watching someone float away. It's a bit weird.

It's an interesting shot though. They actually went to the trouble of going to Pinewood Studios and filming the actress in an underwater tank against a black background, so she actually was weightless.

Mr Jefferson starts quoting the poem 'Horatius', by Thomas Babington Macaulay, which I guess just sprang to his mind. "For how should man die better than facing fearful odds? For the ashes of his father and the temples of his Gods." It sounds vaguely suitable I suppose.

Plus this soundtrack is very suitable, though not necessarily what you'd expect. Instead of going bold or sinister or sad, Murray Gold produced something beautiful. And then they hear the drilling stop.

Toby's back to normal now so the crew has no idea what killed her. But with the drilling finished they have a job to do, so they get right on with it.

They're sending two people down to Point 0, Ida... and the Doctor. It would've been Zack, but with the captain dead he accepts that he needs to stay behind to give the orders. The fact that the Doctor already had a suit on when he volunteered probably made the decision easier.

And this is actually a pretty good looking suit, worth the money they spent on it. It looks suitable for the purpose without being overly sci-fi, which makes sense as it's heavily inspired by the "pumpkin suit" worn by Space Shuttle crews. Though the detailing on the helmet is bit too busy perhaps (and it was apparently impossible to hear people when they were wearing them).

The music suddenly sounds like it's from a spy movie as the two of them travel the long long way down to Point 0.

They're travelling 10 miles, and that's not an approximate figure. The screen says 16093 metres, 10.000 miles. Whoever built the gravity device keeping this planet in place liked to be precise. It's a bit interesting that they're using a standard human unit of measurement. I also noticed that Sanctuary Base 6 uses the British spelling of 'metres', though that's no surprise as they all have British accents.

The two of them emerge from the capsule, throw a gravity ball up for light, and then see this awesome structure.

Damn, why do we never get to see anything like this in Star Trek?

If I felt like being a smart ass I'd say that Doctor Who's come a long way from filming alien planets in a quarry, to set up the ironic reveal that this was actually the first scene the new show filmed in a quarry. The series had gone almost two seasons without them, because they wanted to avoid that cliché, and they were thinking about shooting this in a studio. In the end though the quarry turned out make the most sense, so they went for it and I think they made the right choice! It works so much better to get some shots of the actors from far away instead of using the ropy looking CGI figures seen in Babylon 5 and Enterprise.

There were a few drawbacks though. For one thing it was absolutely bloody freezing, though that always seems to be true of location filming on this series. Unless they're off filming in another country... or filming the Christmas special with everyone in big warm coats in the middle of June.

Ida mentions 'no turning back', and the Doctor replies that's almost as bad as saying "this is going to be the best Christmas Walford's ever had." I have to admit, I didn't get the reference until I looked it up. I'm just not much of an EastEnders fan.

The other big drawback to shooting in a quarry was that they were at the mercy of the weather, which was a bit awkward when the heroes are supposed to be underground. That was pretty easy to solve though: they wrote extras lines about there being a weather system down here with poison rain. Or poison snow, whichever they had to explain.

It did end up snowing, but you can barely see it so they decided to cut all mentions of weather and focus on the giant ominous pit with more mysterious letters on it.

Fortunately Toby says he knows what the text says.

"These are the words of the Beast. And he has woken. He is the heart that beats in the darkness. He is the blood that will never cease. And now he will rise."
He tells Mr Jefferson that his wife never forgave him, though that's all we learn about that story. We're just left to imagine what it could mean, though it's presumably the most devastating event in Jefferson's past.

The guy keeps his cool fairly well considering, though he does mention that if Toby keeps being evil with all those letters on his face, then by the strictures of Condition Red he is authorised to shoot him with his very futuristic FN P90. Stargate SG-1 loved these guns and I do too, but they're not from centuries in the future.

But Toby has strength in numbers, as the letters fly off to possess the Ood too. Which is a bit weird and supernatural, not sure I liked that.

The Ood have red eyes too now and one kills one of Mr Jefferson's nameless security sidekicks with their translator ball!

That was a bit unnecessarily goofy I reckon. I'm not sure I liked that either.

I mean, would a translator orb even have the battery power to kill someone?

See, there's the snow on the rocks over there.

Everything's going on now. The heroes are being menaced by Ood, the pit is opening, and the planet has suddenly started to fall from orbit into the black hole. To be continued! Oh, surprise, it's a two-parter.

It's funny though, because the cliffhanger is basically the same as the one in the teaser, with the heroes being cornered by Ood. Except this time it's not a fakeout and they actually are in danger.

Also this time Rose doesn't have a chair.

It could've been worse for her though, as in one early version of the story she got possessed herself and it would've lead into a dream sequence subplot in the next episode.


CONCLUSION

I've been thinking about what my favourite part of The Impossible Planet is, and I reckon it's the sets. Actually it's the scene where the voice creeps up on Toby, but those sets are pretty great too.

They only really built one room and one corridor, but they did a great job of making it seem like they'd made a whole base just for this one story. It feels big and expensive. Plus I like the yellow paintwork, that was a good choice to make it a little visually distinct. Covering it in decades of dirt and wear was a bit weird though, seeing as they couldn't be there that long. Plus it's got that series 2 cinematography that makes it look a little fake. Not the pit though, that place looked fantastic. Sometimes shooting a quarry is the correct choice, especially when the VFX team is up to the task of filling in the rest of the alien architecture.

Maybe I'm a little biased because this is the first proper outer space adventure in the show and space stories are my thing, but this has a great atmosphere to it I reckon. Okay I'm less keen on the supernatural intruding on my Doctor Who, but this works so well I can't bring myself to be too bothered. It's got a bit of a Lovecraft meets Aliens thing going on. It reminds me of the times I played video games, listening to audio logs as I walked around an empty base wondering how everyone died. Except here the Doctor is going to disrupt the genre, like he does, and make sure there's at least one sane survivor in part 2.

The tone shifts between comedy and horror pretty appropriately. The Doctor all smiles and hugs to make it more shocking when he realises that his TARDIS fell off a cliff a while back. He's stuck, like in The Girl in the Fireplace, except this time no one revealed the hidden exit to get him back to his normal life, so he had to actually process it. In fact one of the more interesting scenes in the episode is the Doctor and Rose sitting down and chatting about carpets and mortgages, and the possibility of getting one together. It's exciting dramatic spooky sci-fi horror with some proper Doctor and Rose scenes for the shippers.

Though there are lots of others characters here too, as I think this is the first time the two of them have worked with an entire team. They're a surprisingly likeable crew as well, without any forced antagonism, and they spend most of the episode doing their normal jobs competently enough instead being led by the Doctor through a crisis.

It's funny how the episode starts and ends with the same cliffhanger, with the Ood swarming in looking like they're about to attack. It's for the same reason both times as well: something bad is screwing with their heads and translator spheres. The Ood are interesting though, as they're ethically a bit ambiguous and in another story them breaking free of servitude and killing the people who treated them like livestock could've been a cathartic ending. Their whole situation is extremely weird and a bit concerning, and I'm glad Rose keeps asking questions about that. She's never entirely okay with how they're treated, so I'm not okay either. I like the makeup though, with the blinking animatronic eyes and the tentacle mouth, they're very distinctive.

It's just a shame the production team decided to have them kill people by throwing their translator ball at them, because it's hard to take that seriously.


RATING

It's be hard to say that The Impossible Planet is my favourite episode of a season which has The Girl in the Fireplace in it, but I think an 8 is a pretty fair score. The episode's fine, better than fine, though my attention was wandering a couple of times on this rewatch. Then again, when the worst thing I can say about an episode is that I didn't like how the Doctor Who monsters kill people in a goofy Doctor Who way, it's probably time to bring out the high numbers.

Oh alright, I'll give it:

  9/10



NEXT EPISODE
Next time the horror gets more horrible and hopefully in a good way, in The Satan Pit.

If you want to share your opinion about part one, then your time is now. There's a message box right there, just waiting for you to come up with something to type. Don't make it wait too long though, it gets bored.

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