Another adventure for everyone's favourite Time Lord. Landing on Earth in the 22nd century, the Doctor (Peter Davison), Adric, Nyssa and Tegan help to defuse a subterranean bomb being operated from space. The bomb's operators are tracked to a star freighter where they are revealed to be none other than the Cybermen. The Doctor has to prevent the Cybermen from destroying the Earth, and is caught in a race against time to save Adric's life.
Director: Peter Grimwade
Producer: John Nathan-Turner
Writer: Eric Saward
Music: Malcolm Clarke
Actor: Peter Davison
Actor: Matthew Waterhouse
Actor: Janet Fielding
Actor: Sarah Sutton
Actor: Beryl Reid
Actor: David Banks
Actor: James Warwick
Actor: Clare Clifford
Actor: June Bland
Actor: Mark Hardy
Character: The Fifth Doctor
Character: Doctor Who
Character: Adric
Character: Tegan
Character: Nyssa
Character: Cybermen