Doctor Who - The Ambassadors of Death (6)

Seizoen: 7 - Aflevering: 17 / 271 - Eerst uitgezonden: 25 april 1970 - Episode ID: 75781

England, the near future. The UK space programme is in crisis as all contact has been lost with Mars Probe Seven. As the spacecraft returns to Earth, are the astronauts all that they appear to be...?