Where To Stream Doctor Who Season 4 Episode 20
The Underwater Menace, Part Two
- Aired January 21, 1967
- 25 Min
- Rated 8.6
- Number 447 Of 700 Rated Episodes
While Ara tries to save Polly from being turned into a Fish Person and Ben and Jamie try to escape from the mines, the Doctor discovers the full extent of Zaroff's plans.