The Trial of a Time Lord: Part 12 S12E12 - The Trial of a Time Lord: Part 12 1986
With factions vying for control of the ship, the Vervoids are found to be responsible for the many disappearances. Only the Doctor sees the fundamental but missed point as to why they can't be reasoned with or why they can't be allowed to arrive on Earth.
- Released: 1986-11-22
- Runtime: 50 minutes
- Genre:
- Stars: Colin Baker, Nicola Bryant, Bonnie Langford, Michael Jayston, Lynda Bellingham
- Director: Chris Clough