Doctor Who - Terror of the Zygons (2)

Seizoen: 13 - Aflevering: 2 / 405 - Eerst uitgezonden: 06 september 1975 - Episode ID: 75519

Scotland, the near future. Something is smashing oil rigs off the Scottish coast, and UNIT have been called in to investigate. The aliens responsible, the Zygons, try to kill the Doctor and Sarah Jane, then attempt to recover their signal device using their ability to mimic human beings.