Doctor Who - Terror of the Zygons (1)

Seizoen: 13 - Aflevering: 1 / 404 - Eerst uitgezonden: 30 augustus 1975 - Episode ID: 75518

Scotland, the near future. Something is smashing oil rigs off the Scottish coast, and UNIT have been called in to investigate. The Brigadier summons the Doctor to Earth to help in the investigation, but it soon becomes clear some kind of alien presence is at work...