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The Invasion (TV story)

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The Invasion
Novelised as: The Invasion
Doctor: Second Doctor
Companion(s): Jamie, Zoe
Featuring: The Brigadier, Benton
Main enemy: Cybermen, Tobias Vaughn
Main setting: London, circa 1979
Key crew
Writer: Derrick Sherwin
Director: Douglas Camfield
Producer: Peter Bryant
Release details
Story number: 46
Number of episodes: 8
Season/series: Season 6
Premiere broadcast: 2 November - 21 December 1968
Premiere network: BBC1
Format: 8x25-minute episodes
Production code: VV
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Doctor Who television stories
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Memorable moment
Cybermen Ambush - The Invasion - Doctor Who - BBC01:23

Cybermen Ambush - The Invasion - Doctor Who - BBC

Another memorable moment
Cyberman Breaks Out Of The Sewer - The Invasion - Doctor Who - BBC02:26

Cyberman Breaks Out Of The Sewer - The Invasion - Doctor Who - BBC

The Invasion was the third story of season 6 of Doctor Who. It featured the Cybermen in what became their established form until Earthshock in 1982.

The Invasion also featured the second appearance of Alistair Gordon Lethbridge-Stewart, now promoted to the rank which became his best known title - Brigadier. It additionally introduced the organisation known as UNIT, as well as the character of Corporal (later Sergeant) John Benton. Behind the scenes, it was the start of Terrance Dicks' record-setting tenure as script editor. Furthermore, it was the final major appearance of the Cybermen until Revenge of the Cybermen in 1975.

Synopsis Edit

The Doctor, Jamie and Zoe return to Earth and become embroiled in the schemes of Tobias Vaughn. They meet up with an old friend, Colonel (now Brigadier) Lethbridge-Stewart, and some old enemies, the Cybermen.

Plot Edit

Episode one Edit

Jamie, Victoria and the Doctor have been all brought back to the TARDIS after their adventures in the Land of Fiction. They find that they are hovering over the dark side of the moon. As they look at the scanners they see something approaching them, they soon realise it is missile. The Doctor tries to move but the landing circuit is jammed. The Doctor wrestles with the controls. The missile explodes.

The TARDIS lands with a thud in a field of cows.

Inside the TARDIS, Zoe wonders why they were fired at without any questions being asked. The Doctor wonders if they have encountered whoever fired at them already. They check the scanner and the sight of cows tells them they are on Earth; the Doctor reckons in the Summertime of the 20th century. The TARDIS judders and the Doctor believes he needs some new parts. He decides to seek out his old friend Professor Travers for help. He takes one of the circuits from the console which causes the lights to fade. They make their way to the exit.

Once outside a lorry draws up. The driver asks if they are "getting out". The Doctor states that they are heading to London. The driver orders them in. The driver looks round nervously as they get in the cab. As he drives off they are being pursued by two motorbikes. The driver pulls off the road and disappears behind some trees. He stops the lorry and gets out, looking anxiously down the lane before walking off. The Doctor, Jamie and Zoe follow the driver into the undergrowth. The driver suspects that the company is on their trail. When the Doctor queries what he means by the company he is met with consternation, the Doctor states that they are strangers The driver wonders how they got into the compound. He explains that the company is International Electromatics, the largest electronics company in the world who have a vast monopoly on the electronics business and huge complexes forming large swathes of land. The driver reckons it's safe to get on the road again.

The lorry approaches a checkpoint. Jamie, Zoe and the Doctor are hidden away in the cab of the lorry. The driver presents his papers and is waved through. Soon after the driver stops his lorry and the travellers get out of the back. The driver tells them to get lost before driving off. The Doctor, Jamie and Zoe clamber over a hedge into a field. As they do the motorbikes pass them by. The guards pull up behind the lorry. As they dismount, one guard opens the lorry to search it. He discovers only milk. The main guard sees the driver's papers whilst the other guard continues his search. The main guard says he wants to take the driver in for questioning. The other guard finds nothing and nods to his partner. The driver states he is not going back to the compound. The guard pulls out his gun. The driver turns to get into the lorry but the guard shoots him.

The Doctor, Jamie and Zoe are hitch-hiking. A car stops and the Doctor says they want to go to London. The man nods and the Doctor, Jamie and Zoe get into the car.

Once in London the Doctor and his friends look up Travers' address but their is the name 'Watkins' on his doorbell and there is no answer. They continue raining into a young model by the name of Isabelle answers the door. She explains that Travers is in America with Anne and that her father, a Professor Watkins, is staying in his house. He is working for International Electromatics and has been away for weeks. The Doctor, seeing his only chance to fix his TARDIS, tries to contact Watkins but comes up against an automated answering service that tells him that Watkins is not available. They decide to go there themselves. Zoe decides to stay as she is enjoying modelling for Isabelle.

Two men in a car watch the Doctor and Jamie enter the IE building. They are met by a computer secretary. They, again, ask for Watkins and are, again, told he is not available. They want to speak to someone in authority - but they need an appointment. They need to see someone now - but they're all engaged. It's an emergency - but what kind of emergency? It's a private matter - an emergency cannot be a private matter. The Doctor switches the computer off in frustration. The Doctor and Jamie set off to find another way in.

One of the men in the car takes a photo of the Doctor and Jamie as they explore outside.

A further two men watch them in a video link. One of them flips a switch.

Two glass panels drop down either side of the alleyway that the Doctor and Jamie are in. Gas starts to seep in.

HQ deploy the two men in the car to get the Doctor and Jamie.

The gas has cleared and the guards open the glass panel. As the man prods Jamie with his foot, Jamie grabs it and trips him. The man pulls a gun. A man named Vaughan stops him. He appears to be called Packer. Vaughan orders the men to be brought to his office.

Packer is dismissed by Vaughan as soon as he gets to the office. Jamie is initially very aggressive but the Doctor is passive and apologises for the trespass. Vaughan introduces himself as the director of International Electromatics and states that their friend, Watkins, is very busy and is not available by choice. Jamie is satisfied and begins to ask Vaughan about circuits for the TARDIS. The Doctor kicks him. Vaughan's curiosity is peaked and asks how he can help. The Doctor reluctantly hands the circuits over to Vaughan. Vaughan is intrigued and says he'll send them to his workshop. As an apology to Jamie for Packer's rough treatment, he gifts him a disposable transistor radio before dismissing the Doctor and Jamie. Vaughan walks to the desk and flicks a switch. He asks Packer to show the Doctor and Jamie off the premises.

Packer escorts them out. The Doctor believes that Vaughan is not what he seems. He is not blinking at the rate that a normal human should. The Doctor considers him odd, sinister and inhuman.

In his office, Vaughan flicks a switch. A wall tilts back to reveal a piece of complex, alien equipment.

Episode two Edit


Zoe and Isobel laugh after destroying an International Electromatics computer with logic.

The Doctor and Jamie are abducted by two men, later revealed to be Corporal Benton and Tracy. They are taken to an EC-130H Hercules transporter plane, housing a complete operations room, where they are met by the Brigadier. He explains about UNIT, and the taskforce's investigation of IE.

Concerned about the Doctor and Jamie's failure to return, Zoe and Isobel leave for IE in search for them. They also encounter the receptionist, but, instead of seeking another method of entry like Jamie and the Doctor, Zoe destroys the computer by assigning it an insoluble equation in ALGOL, causing its circuits to overload. Vaughn is watching, and once again opens the hidden panel. A decidedly inhuman voice speaking through the machine tells him that the Doctor and Jamie have been recognised from Planet 14, and are a threat to their plans. Vaughn orders Zoe and Isobel brought to him. Isobel is used to make her uncle, who is being held captive, co-operate.

The Doctor and Jamie return to Travers' house, to find a note from Zoe and Isobel, explaining their going to search for them. They return to IE, and find several packing cases being loaded onto a train. Part of a feather boa Isobel gave to Zoe is hanging out of one of the boxes, alerting the Doctor and Jamie to the fact that their friend is inside. But before they can rescue Zoe and Isobel, the Doctor and Jamie are again captured by Packer and his guards.

Episode three Edit


The Brig takes charge.

The Doctor and Jamie are taken to Vaughn, where the Doctor accuses him of kidnapping Zoe and Isobel, a claim Vaughn flatly denies. Vaughn invites the two companions to come to the company's country compound, where the train will be arriving; it is here they meet Professor Watkins, who has been warned to not mention Zoe and Isobel's whereabouts. He shows the Doctor his cerebration mentor, a teaching device that is capable of inducing emotional changes.

The Doctor queries Vaughn of the deep space communicator he noticed when he came into the compound; in return, Vaughn demands that the Doctor explain about the failed circuit, even threatening to hand Zoe to Packer if he doesn't co-operate. They are taken away.

Jamie and the Doctor fool Packer and escape in the elevator. They jam the elevator between the 4th and 5th floors, and decide to leave through the elevator shaft. Packer tries to kill them by sending the elevator to the top, but they escape onto the roof.

The Doctor and Jamie escape onto a railway siding. They hear Packer and the guards searching the railway. They get in one of the trains and hide in the crates. There is cocoon is in Jamie's, but the guards are getting closer. Jamie gets in. In the darkness of the crate that Jamie is hiding in, the cocoon starts to move...

Episode four Edit


Jamie loses his grip during the helicopter rescue of Zoe and Isobel.

The Doctor and Jamie emerge from the crates, and overhear guards being ordered to take Zoe and Isobel to the tenth floor.

Vaughn confides in Packer that he intends to use the cerebration mentor to control the Cybermen once they have invaded Earth; he also intends to use the TARDIS as a "getaway car", should he fail.

Vaughn broadcasts over the intercom system to the Doctor that he has ten minutes to surrender or Zoe will be harmed. Using a communicator given him by the Brigadier, the Doctor calls for assistance from UNIT, who assist in rescuing Zoe and Isobel from the room in which they are locked. Realising how dangerous UNIT are to his plans, Vaughn exercises hypnotic control over Major General Rutlidge, and orders him to cease UNIT's investigations.

The Doctor examines photographs of UFOs over the IE factory, and reasons that those ships are bringing cocoons to Earth. He, along with Jamie, sneak into the London IE warehouse, where they witness the emergence of a Cyberman from its cocoon.

Episode five Edit


The Doctor examines the IE circuitry.

After witnessing the reactivation of the Cyberman, the Doctor and Jamie sneak back out of the IE warehouse. They return to UNIT HQ and warn the Brigadier that a Cyberman army is invading Earth, and that they are hidden somewhere in London. However, Rutlidge has ordered the Brigadier to cease all investigations against IE. Lethbridge-Stewart intends to gain authority from Geneva, but requires proof to back his reasoning. Isobel offers her expertise as a photographer, but the Brigadier refuses.

Vaughn tests Watkins' device on an awakened Cyberman; however, the alien is driven mad by the machine and escapes into the sewers. Vaughn reveals that in an hour's time the Earth will come under the control of the Cybermen through a micromonolithic circuit built into every IE device; the Doctor discovers this same circuit when he opens up an IE radio, and sets about making a device to block the telepathic signal.

Meanwhile, Isobel, Zoe and Jamie have ventured into the sewers to obtain proof of the Cybermen's presence on Earth. There they find the body of a policeman, who had followed them into the sewers and was subsequently killed by the Cybermen. They then encounter the insane Cyberman, who begins menacingly approaching the intrepid trio.

Episode six Edit


Cybermen infiltrate London's sewers.

The insane Cyberman walks past the trio and attacks the two other Cybermen. Turner then arrives with Benton, Walters and Perkins. They attack the Cybermen and manage to destroy two of them, but Perkins is killed. They then get Jamie, Zoe and Isobel out of the sewers. The third Cyberman grabs Jamie's leg, but is destroyed with a grenade.

Back at the house, Isobel shows the Brig, Jamie, Zoe and the Doctor the developed photographs, which prove to be worthless because they look to much like fakes.

Watkins perfects his machine and delivers it to Vaughn, but discovers that the Managing Director has been partially cyber-converted, which protects him from bullets. Some UNIT soldiers manage to free Watkins from IE, during which time the Doctor creates a neuristor, which neutralises the Cybermens' hypnotic signals. The Brigadier orders the troops to have one of these taped to the back of their necks.

At dawn, the signal is broadcast, causing people around the world to collapse unconscious. The Doctor's polariser has fallen off and he begins to blank out. The Cybermen exit the sewers and march through London with no resistance...

Episode seven Edit

Invasion ep7

The Doctor tries to convince Vaughn to fight the Cybermen.

The Doctor is given a new polariser, and he and UNIT assess the situation, knowing the spaceship that the transmissions are coming from is on the Moon. UNIT decides to use a Russian rocket to destroy the source of Vaughn's signal, while using UK missiles to destroy the incoming Cyberfleet. The Doctor heads off to talk to Vaughn. Captain Turner is sent to Russia to organise the rocket, while the Brigadier goes to the Henlow Downs missile site.

The Doctor goes back to the IE building to try to persuade Vaughn one last time to help his people. The missiles are successfully launched, with help from Zoe, and the Cybermen blame Vaughn for the setback in their plans, announcing that they will use a megatron bomb to destroy life on Earth. The Doctor then asks Vaughn if this is what he wanted - to be the ruler of a dead world...

Episode eight Edit


UNIT's defence against the Cybermen proves effective.

A furious Vaughn uses the cerebration mentor to destroy the machine in his office. Vaughn calls for Packer, only to see a Cyberman on the screen. Packer rushes in and tells Vaughn that the Cybermen have betrayed them and are taking over. A Cyberman then comes in and kills Packer. The Doctor destroys it with the cerebration mentor. The Doctor persuades Vaughn to now aid humanity instead of trying to defeat it, and they take a helicopter to the factory, where they use Watkins' machine to battle the massed army of Cybermen; UNIT forces arrive later to assist. Vaughn is killed in the skirmish, but the homing signal is successfully shut down.

The megatron bomb is destroyed by a missile, while the rocket destroys the last Cyberman ship, consequently stopping the hypnotic signal. With the crisis now over, and the visual stabiliser circuits now repaired, the Doctor, Zoe and Jamie depart in the TARDIS.

Cast Edit

Crew Edit

References Edit

Cultural references from the real world Edit

Species Edit

  • There are cows in the field where the TARDIS lands.
  • Jamie mentions the Yeti to the Brigadier.

Devices Edit

Astronomical objects Edit

  • The Cybermen have a spaceship hidden behind the far side of the Moon.
  • The Cybermen mention encountering the Doctor on Planet 14.

Story notes Edit

Production Edit

  • Dialogue places this story four years after the events of The Web of Fear. This story is also placed "some months" before Spearhead from Space, according to dialogue in that story.
  • This story had a working title of Return of the Cybermen, which was later changed to The Invasion to keep the Cybermen's reappearance a surprise until episode four. It was originally conceived as a four-part story and got expanded to eight when the next story, The Dreamspinner, fell through.
  • This story marked the debut of Terrance Dicks as Script Editor and his first credited contribution to the series. Dicks would go on to write or co-write a number of episodes, and become best known for his work of writing novelisations for Target Books and eventually contributing to most lines of original fiction based upon the series on into 2008.
  • Together with The Web of Fear, this story was a sort of "test run" for a format switch. For the next two or three seasons, most stories would feature the Doctor working with UNIT to protect humanity on more-or-less modern-day Earth.
  • While the Cybermen would continue to change their appearance on the series, as they had done since their introduction, this story set the basic design for them, first developed for this story by Bobi Bartlett, through the 1980s. Cybermen emerging from cocoons was also used in Earthshock. They also operate in the London sewers in Attack of the Cybermen. A mass invasion of London by Cybermen also features in the Series 2 stories, Rise of the Cybermen, The Age of Steel, Army of Ghosts and Doomsday, and in the Doctor Who Magazine comic The Flood.
  • Cybermats were to have appeared in this story.[source needed]
  • It was during filming of this story that Frazer Hines announced his intention to leave the series.
  • Zoe makes no appearance in episode three of the story as Wendy Padbury was on holiday during the week when it was recorded. Similarly, Jamie appears only in a pre-filmed insert in episode eight as Frazer Hines was due for a break.
  • A black and white shot of a Cyberman, with two others behind, walking down the steps of St. Peter's Hill, with St. Paul's Cathedral in the background, accompanied the Radio Times programme listing for episode one, bearing the title Invasion and with the accompanying caption "Dr. Who starts a new adventure today at 5.15 — one that will bring him face to face with some of his deadliest enemies, the Cybermen".
  • The following piece of behind-the-scenes information appeared at the foot of the Radio Times programme listing for episode five: "For this Dr. Who story more filming was done on location than ever before, and the production team were fortunate to have the co-operation of both the Army and Air Force on scenes that involved such equipment as jeeps, a transporter plane, a three-ton lorry, and a rescue helicopter."
  • Nicholas Courtney reprises his role as Lethbridge-Stewart, now promoted from Colonel to Brigadier, from The Web of Fear.
  • John Levene (Benton) previously appeared as a Cyberman in The Moonbase and as a Yeti in The Web of Fear. He was initially contracted to play a Cyberman in The Invasion, but landed the role of Benton after the actor originally cast – who shall remain nameless – was fired by Douglas Camfield for continually turning up late for filming, causing the planned shooting schedules to be changed.
  • John Levene (Benton) was uncredited on-screen for episode five, but was credited in Radio Times.
  • Peter Halliday also provided, uncredited, the voices of the Cybermen in episodes six to eight and of the Cyber Director — hidden in a concealed compartment in Vaughn's office — in episodes two and five to eight.
  • Norman Hartley (Sergeant Peters) was credited as "Sergeant" in Radio Times for episode eight.
  • The actors playing the Cybermen were credited on-screen, but not in Radio Times.
  • In the DVD's animated version of episode one, the words "Bad Wolf" (the story arc of the 2005 series) are written on Isobel's wall as an in-joke.
  • Also in the animated episode one, the car that the Doctor, Jamie and Zoe hitch a ride with after the lorry driver is shot has the licence plate H 23 63, which is a reference to the date of the original broadcast of An Unearthly Child, the very first episode of Doctor Who, on 23 November 1963.
  • Additionally, the animators got Zoe's costume wrong; for the beginning part of the missing episode one, Zoe would have worn her catsuit from The Mind Robber and she would have changed when Isobel got her fixed up with "some proper gear".
  • The episode was intended to prove that Earth-based stories could be produced cheaply and effectively. Ironically, it was the most expensive Doctor Who episode ever produced when made, and remained so for several years.
  • Originally, Professor Travers and his daughter Anne were to appear, but were replaced by Isobel and her uncle when Mervyn Haisman and Henry Lincoln refused to grant the rights. The DVD's production subtitles claim they were granted rights to the characters, but as the characters became less involved in the story, they thought it was not worth including them. The characters are mentioned in dialogue, however: Isobel lives in Travers' former house in London, and Professor Watkins mentions that Travers was getting "past it," so he persuaded him to live in America with Anne.
  • The prologue of PROSE: Iceberg opens during the Cybermen invasion in this story. The Cybermen in that novel are said to be from Planet 14, which was first mentioned in The Invasion by the Cyber-Planner. COMIC: The World Shapers also picks up on the Planet 14 reference, though it explains it away in a very different way. Since The Invasion takes place in either in the late 1960s or 1970s (see UNIT dating controversy) and no other televised Cybermen story had taken place prior to 1986 (the date of The Tenth Planet), the Doctor must have met the Cybermen before in an untelevised story. The Cybermen did have access to time travel technology, so that conclusion is not an absolute certainty. In 1986, the Cybermen on Mondas appeared to be of a less sophisticated design and did not give any indication of having a fleet of ships. The Cybermen in the 1970s seem to be more advanced and do have a fleet of ships.

Influences Edit

  • The influence of the various spy thriller films and television shows which were popular at this time are very clear. Tobias Vaughn is similar to the supervillains featured in the James Bond films and The Avengers. The Doctor acting as advisor to a military group dealing with an otherworldly menace is highly reminiscent of the Quatermass serials. Specifically, the plot of The Invasion has some similarity to Quatermass 2, though not as much as some other Doctor Who stories, such as Spearhead from Space.

Ratings Edit

  • Episode one - 7.3 million viewers
  • Episode two - 7.1 million viewers
  • Episode three - 7.1 million viewers
  • Episode four - 6.4 million viewers
  • Episode five - 6.7 million viewers
  • Episode six - 6.5 million viewers
  • Episode seven - 7.2 million viewers
  • Episode eight - 7.0 million viewers

Filming locations Edit

Production errors Edit

If you'd like to talk about narrative problems with this story — like plot holes and things that seem to contradict other stories — please go to this episode's discontinuity discussion.
  • In episode five, the panel concealing the Cyber Director struggles to close.
  • The Cyberman falling from the roof of an IE building in episode eight is clearly an empty costume.
  • In episode eight, the strings that make the Cyber Director's "head" twist are clearly visible.
  • In episode four, the Doctor and his companions claim to have seen a ship on the moon — when they didn't. (In the DVD's animated episode one, a ship was added to cover this up.)
  • The Cybermen wear silver painted tennis shoes.
  • In episode eight, Wendy Padbury fluffs her line regarding the distance to the Cyber Ship, quickly correcting "30—" to say "50,000 miles."
  • Throughout, Brigadier Lethbridge-Stewart's moustache changes size and shape.
  • Some episodes of the story were broadcast in such an amplitude that sometimes makes it hard to make out what the cast were saying.

Continuity Edit

  • Tobias Vaughn returns in PROSE: Original Sin, in which it is revealed that not only did he survive by transferring his mind into a cybernetic body, but funded the development of BOSS, Operation Golden Age, and Professor J.P. Kettlewell's robot, and influenced the expansion and policies of the Earth Empire.
  • At this point, the Cybermen are aware of the TARDIS ("he has a machine"), but make no reference to its nature or that he is a Time Lord.
  • Isobel's photographs of the Cyberman invasion were later derided as fakes and she became a standing joke on Fleet Street. The journalist James Stevens was highly dubious of her claims that the Earth had been invaded by "robot men from outer space." She was threatened by a man with a lisp and her boyfriend left her as his career was at risk because of their relationship. (PROSE: Who Killed Kennedy) However, her boyfriend was not Jimmy Turner as they later married. (PROSE: The Scales of Injustice)
  • The Cybermen killed in the conflict are claimed by UNIT and later used to create weapons effective against Cybertechnology (TV: Death in Heaven).

Home video and audio releases Edit

DVD releases Edit

  • Released as Doctor Who: The Invasion, the DVD makes use of animated versions of the missing episodes one and four that were made by Cosgrove Hall, which had previously made Scream of the Shalka for the now-defunct BBCi website.

Release dates Edit

Features Edit

The animated episode one on the DVD release makes some changes to the episode, as noted on the commentary:

  • After the TARDIS is attacked, a ship goes across screen (put in by the animators to cover a plot hole).
  • The sequence after the Doctor leaves the van that takes them out the compound is shortened.
  • The words "Bad Wolf" are put on the wall where Isobel Watkins leaves notes, making reference to the Bad Wolf meme.


VHS release Edit

This story was released as Doctor Who: The Invasion in 1993 as a double video pack, with an introduction and linking material by Nicholas Courtney to cover the missing episodes one and four.

Release dates Edit

  • UK June 1993
PAL - BBC Video BBCV4974
  • US June 1995
NTSC - CBS/FOX Video 8251
NTSC - Warner Video E1273

Audio releases Edit

This story was released as Doctor Who: The Invasion as part of the BBC Radio Collection. It includes the original soundtrack of the serial with linking narration by Frazer Hines. It also includes a bonus interview with Hines.

It was first released on 1 November 2004 in the Cybermen box set (ISBN 0-563-52508-8), a special 3-CD tin which also contained the soundtrack of The Tenth Planet and a bonus disc. It was subsequently released individually on 9 January 2006 (ISBN 978-0-563-52327-7). It is scheduled to be re-released as part of Doctor Who: The Lost TV Episodes - Collection Five on 2 August 2012 (ISBN 978-1-4084-6755-8).

Unofficial releases Edit

Loose Cannon Productions have made a reconstruction of the missing episodes one and four, using audio recordings, authentic pictures, composite pictures, pictures from other stories and specially created material. (Note: The surviving episodes are not included on the recon.)

Although Loose Cannon Productions and Cosgrove Hall were working from the same scripts and audio recordings, their visual interpretations of the episodes are very different and it is interesting to compare the two.

Features Edit

  • Celebrity Introduction by Kevin Stoney (Tobias Vaughn)
  • Production Featurette
  • An Interview with Kevin Stoney (also includes clips from many of his television and film appearances)
  • A re-enactment of the scene of Cybermen descending the steps of St. Peter's Hill near St Paul's Cathedral, using Earthshock-style Cybermen, and comparing the re-enactment with the original.

External links Edit

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