19 April 1975
Jeremy Wilkin (Kellman), Ronald Leigh-Hunt (Commander Stevenson), William Marlowe (Lester), Alec Wallis (Warner), David Collings (Vorus), Michael Wisher (Magrik), Christopher Robbie (Cyberleader), Kevin Stoney (Tyrum), Brian Grellis (Sheprah), Melville Jones (First Cyberman).
|Written by||Gerry Davis|
|Directed by||Michael Briant|
|Produced by||Philip Hinchcliffe|
Following on from Genesis of the Daleks, the Doctor, Harry and Sarah use the Time Ring, spinning their way through time and space back to Space Station Nerva. They land back in the control room they left when they last beamed down to Earth, but Sarah notices the TARDIS is not there. The Doctor tells Sarah that the time ship is drifting back in time towards them and they just need to wait for her to catch up. A door slides open, revealing a dead body, and many more beyond, littering the outer ring of the station.
In a communications room, crewman Warner warns off an approaching spaceship away from Nerva Beacon, which is under quarantine due to a plague. Professor Kellman, a planetary surveyor, asks Commander Stevenson how long they can run a 50-man station with three men, but the other young officer, Lester, thinks they can continue to manage. Nerva is on a 30-year assignment to warn ships away from Voga, the new asteroid it is orbiting, until its presence is updated on all the starcharts of inbound ships.
- This is the first Cyberman story in which Patrick Troughton does not appear.
- Revenge introduced a new form of Cybermat and the title of “Cyber-Leader”.
- The BBC Radiophonic Workshop’s Peter Howell, later to become one of the series’ regular incidental music composers, made his uncredited debut on this story when he was asked by producer Philip Hinchcliffe to add to, and enhance, the score provided by Carey Blyton.
- This story had a working titles of The Revenge of the Cybermen and Return of the Cybermen
- A number of sets in this story were reused from The Ark in Space, which was recorded immediately before it.
- The Cybermen’s voices were provided for the first time by the actors inside the costumes.
- Five of this story’s guest cast had played notable roles earlier in Doctor Who’s history:
- Once the Doctor and his companions have finished using the time ring, it disappears.
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