Doctor Who

Season 23, Episode 11

Episode Title: Terror of the Vervoids (3)

Air Date: 1986-11-15

Overview:

A course change that takes the Hyperion III closer to a black hole could prove unwise when there are so many aboard ship with hidden agendas. Disappearances continue, a murderer remains at large, and one person finally crumbles under the strain of harbouring a guilty secret.