Where To Stream Doctor Who Season 4 Episode 5
The Tenth Planet, Part One
- Aired October 8, 1966
- 25 Min
- Rated 8.3
- Number 556 Of 700 Rated Episodes
In December 1986, a new planet appears in the Solar System which turns out to be a long-lost twin of Earth's named Mondas. Its inhabitants are the Cybermen.