Revenge of the Cybermen

Revenge of the Cybermen is the fifth and final serial of the 12th season of the British science fiction television series Doctor Who, which was first broadcast in four weekly parts on BBC1 from 19 April to 10 May 1975. It was the first to feature the Cybermen since The Invasion (1968) and the last until Earthshock (1982). The serial is set on Space Station Nerva, now called Nerva Beacon, and the "planet of gold" Voga, thousands of years before The Ark in Space. In the serial, the Cybermen plot to destroy Voga, as the gold there is lethal to them. Plot Following on from Genesis of the Daleks, the Fourth Doctor, Harry and Sarah use the Time Ring to return to Space Station Nerva. They arrive aboard the space station thousands of years before the events of The Ark in Space and The Sontaran Experiment. The TARDIS is not aboard Nerva, as it is travelling back in time towards them. The trio discover that the space station is full of dead bodies. The time travellers come into contact with the surviving Nerva crew. The space station is now operating as an orbital beacon, warning ships away from a drifting planetoid named Voga. Professor Kellman, a civilian planetary surveyor, has been using Nerva as a base for cataloguing Vogan geology, travelling there via a Transmat teleportation system. Nerva Beacon is now under quarantine due to an outbreak of an unidentified plague. In space, an unknown ship approaches Nerva.