Doctor Who (1963–1996) - Season 7: The Ambassadors of Death: Episode 1

Name: Doctor Who (1963–1996) - Season 7: The Ambassadors of Death: Episode 1
Description: has been lost with Mars Probe 7. When is also lost with the recovery ship, UNIT is called in and the Doctor learns that someone is sending messages to the vessel.

has been lost with Mars Probe 7. When is also lost with the recovery ship, UNIT is called in and the Doctor learns that someone is sending messages to the vessel.