Poster of Cast and Crew in Doctor Who - Season 4 - Episode 20 - The Underwater Menace (2)

Doctor Who - Season 4 - The Underwater Menace (2) (Episode 20)

Plot: 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.
Episode Aired On:
Saturday, January 21 1967
57 years ago