The Doctor and Romana follow a distress signal which leads to the jungle planet Chloris, whose ruthless ruler Lady Adrasta harbors a deadly creature in a pit.

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Main Cast: Tom Baker, Lalla Ward, Eileen Way, Myra Frances, Geoffrey Bayldon, David Brierly, David Telfer, Morris Barry, John Bryans, Edward Kelsey

Director: Christopher Barry

Writer: David Fisher

Editors: M.A.C. Adams, Rod Waldron

Cinematographer:

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