
When scientists in the Antarctic uncover a mysterious seed pod, the Doctor is called in to investigate. He soon realises it is extraterrestrial and extremely dangerous. At the same time, however, ruthless millionaire plant-lover Harrison Chase has learned of the find and decides he must have the pod for his collection of rare and beautiful flora. Meanwhile the pod itself harbours intelligent life with sinister plans of its own...

Tom Baker
The Doctor

Elisabeth Sladen
Sarah Jane Smith

Tony Beckley
Harrison Chase

Kenneth Gilbert
Richard Dunbar


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January 31, 1976
2h 30m
8.8
Douglas Camfield
Robert Banks Stewart
4


BBC
GB

Michael Barrington
Sir Colin Thackeray

Sylvia Coleridge
Amelia Ducat

John Challis
Scorby

Mark Jones
Arnold Keeler / Krynoid (voice)

Seymour Green
Hargreaves

Michael McStay
Derek Moberley
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