Doctor Who
The Ark in Space, Part One
Season 12, Episode 5 · Aired 1975-01-25
Synopsis
The Doctor's attempt to give Harry a trip in the TARDIS sees the two of them and Sarah arriving onboard space station Nerva in the far future, with some rather deadly security mechanisms.
In the series
This episode is part of Doctor Who (1963–) on BBC.
A time-traveling renegade in a police box — regeneration as infinite franchise life.
Key cast
- William Hartnell as The First Doctor
- Patrick Troughton as The Second Doctor
- Jon Pertwee as The Third Doctor