Where To Stream Doctor Who Season 15 Episode 7
The Invisible Enemy, Part Three
- Aired October 15, 1977
- 25 Min
- Rated 8.7
- Number 425 Of 700 Rated Episodes
The medical center mounts a defense against alien forces trying to take the comatose Doctor while clones of Leela and the Doctor go microscopic so they can hunt down the intelligent infection that's in his head.