In the distant future, the Doctor, Sarah and Harry find a space station preserving the future of mankind. But the insect Wirrn have got there first...
Director
Writer
Script Editor
The Doctor
Sarah Jane Smith
Harry Sullivan
Vira
Noah
Rogin
Lycett
Libri
The Wirrn
The Wirrn
High Minister (voice)
Voices on Nerva (voice)
100 minutes
1975-02-15
English
United Kingdom
BBC
246 days ago
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