Doctor Who

The Trial of a Time Lord- The Terror of the Vervoids (4) (23x12)

Data di messa in onda: Nov 22, 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.