Doctor Who
The Ark in Space (4) (12x8)
Uitzenddatum: Feb 15, 1975
The Doctor tries to protect the humans still in cryogenic suspension from the Wirrn, who are determined to use Earth as their new breeding ground.
- in première gegaan: Nov 1963
- Afleveringen: 706
- Volgers: 1542
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- BBC One
- Zaterdag op 17