Fair rating?Doctor Who· Season 4 · Episode 20
The Underwater Menace, Part Two
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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#14In Season 4of 43 rated episodes
#496All-timeof 700 rated episodes
+0.2vs season avgSeason 4 averages 8.1
1967First airedJanuary 21, 1967
Guest stars
Colin Jeavonsas DamonCatherine Howeas Ara
Joseph Fürstas Professor Zaroff
Graham Ashleyas OverseerP.G. Stephensas Sean
Tom Watsonas RamoNoël Johnsonas King Thous
Tony Handyas Zaroff's Guard
Paul Anilas Jacko
Gerald Tayloras Damon's AssistantCrew
Julia SmithDirector
Geoffrey OrmeWriter