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Episode guide

S4·E20 The Underwater Menace (2)

Core Aired January 21, 1967

Synopsis

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.

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Frequently Asked Questions

When did Season 4 Episode 20 of Doctor Who air?

Season 4, Episode 20 ('The Underwater Menace (2)') originally aired on January 21, 1967.

How long is Season 4 Episode 20 ('The Underwater Menace (2)')?

The episode follows the standard broadcast runtime for Doctor Who.

What happens in Doctor Who Season 4 Episode 20?

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. ...