Doctor Who
The Invisible Enemy, Part Two
Season 15, Episode 6 · Aired 1977-10-08
Synopsis
The Doctor draws into himself, fighting the voice in his own head that's trying to take over his intelligence.
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