Doctor Who: The Invasion (VHS Cover) "Doctor Who: The Invasion" is a serial from the British science fiction television series, Doctor Who. This specific title refers to its VHS release cover, indicating that the video cassette edition of this particular story from the show is being offered for viewing at home. First broadcast in 1968-1969, "The Invasion" is a seven-episode story set in contemporary London and features the Second Doctor, portrayed by Patrick Troughton, as well as various recurring characters such as Jamie McCrimmon (Frazer Hines) and Victoria Waterfield (Deborah Watling). The plot revolves around an invasion of Earth by the Cybermen, a race of ruthless, emotionally-detached cyborgs. This serial is regarded as one of the most influential in Doctor Who's history due to its dark tone and large scale production values.