Doctor Who/Trial of a Time Lord: Terror of the Vervoids

Trial of a Time Lord: Terror of the Vervoids
Season 23, Episode 3
Airdate	November 1, 1986
Production Number	7C-1
Written by	Pip Baker Jane Baker
Directed by	Chris Clough
← 23x02 Trial of a Time Lord: Mindwarp	23x04 → Trial of a Time Lord: The Ultimate Foe
Doctor Who — Season Twenty-Three

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Trial of a Time Lord: Terror of the Vervoids is the third serial of the twenty-third season of Doctor Who, and the one hundred forty-sixth serial overall.

Starring:

Guest Starring: Michael Craig (Commodore Travers), Honor Blackman (Professor Lasky), Yolande Palfrey (Janet), Denys Hawthorne (Rudge), Arthur Hewlett (Kimber), Michael Jayston (The Valeyard), Lynda Bellingham (The Inquisitor), Malcolm Tierney (Doland), David Allister (Bruchner), Peppi Borza (First Vervoid), Bob Appleby (Second Vervoid), Mike Mungarvan (Duty Officer)

Co-Starring:

Plot Overview

The Doctor and Mel are taking a rest aboard the Hyperion III when a series of murders lead them to suspect there is more to Professor Laskey's party than it initially appears. The Vervoids begin to attack the crew and passengers, while someone kills a Mogarian who isn't really a Mogarian at all, but an old friend of the Doctor's. The Commadore loses command of his ship as Bruchner takes over the bridge, intending to send the Hyperion III into the black hole of Tartarus to destroy the Vervoids forever. The Doctor realises that if he can speed up the Vervoids life span with light, they will decay. Using vionesium, he does so, unwittingly causing genocide in the process.