Overview

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...

Genres

Cast

Tom Baker

The Doctor

Elisabeth Sladen

Sarah Jane Smith

Tony Beckley

Harrison Chase

John Challis

Scorby

Mark Jones

Arnold Keeler / Krynoid (voice)

Alan Chuntz

Chauffeur

Pat Gorman

Guard