Doctor Who (1963–1989)
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The Trial of a Time Lord: Part Eleven 

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 ... See full summary »


Chris Clough


Pip Baker (by) (as Pip and Jane Baker), Jane Baker (by) (as Pip and Jane Baker)




Episode cast overview, first billed only:
Colin Baker ... The Doctor
Bonnie Langford ... Melanie
Michael Jayston ... The Valeyard
Lynda Bellingham ... The Inquisitor
Honor Blackman ... Professor Lasky
Michael Craig ... Commodore
Denys Hawthorne Denys Hawthorne ... Rudge
Yolande Palfrey Yolande Palfrey ... Janet
Malcolm Tierney ... Doland
David Allister David Allister ... Bruchner
Sam Howard Sam Howard ... Atza
Leon Davis Leon Davis ... Ortezo
Hugh Beverton Hugh Beverton ... Guard
Peppi Borza Peppi Borza ... First Vervoid
Bob Appleby Bob Appleby ... Second Vervoid


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 harboring a guilty secret. Written by statmanjeff

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sixth doctor | See All (1) »


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Release Date:

15 November 1986 (UK) See more »

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Aspect Ratio:

1.33 : 1
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Did You Know?


This episode was watched by 5.3 million viewers on its original transmission. See more »


The Doctor: You'll let me know as soon as you get a reply?
Commodore Travers: Certainly, Doctor. I'll match you for candor.
See more »


Featured in The Chronic Rift: Colin Baker: The Sixth Doctor (2018) See more »

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User Reviews

The Trial of a Time Lord: Part Eleven
7 September 2019 | by Prismark10See all my reviews

Well at least now we have an idea what Professor Lasky and the two other scientists have been acting all shifty. An assistant was cross infected and turned half plant, hence why she is in the isolation room.

The Vervoids themselves were engineered to be slave labour, now as they have awaken they plan to wipe out animal kind. There can be no co-existence. The Vervoids are slowly killing the crew but it seems they are not the ones who put Mel in danger. She nearly ends up in the waste disposal unit.

There is still a murder mystery to solve, but you can kind of forget that when others start to die.

Bruchner one of Lasky's assistants and who has expressed doubts as to what Lasky has been doing becomes hysterical. As he knows how to fly a ship, he goes to the bridge, takes over the controls and heads for the nearby black hole.

Although the opening seconds of The Trial of a Timelord started with some great CGI effects. Here we return to the standard use of the BBC micro for the special effects that was common in the mid 1980s. That black hole looks appalling, just compare that to what was achieved 20 years later in The Impossible Planet.

The cheapness pervades to the Vervoids. I cannot help notice the similarity of their name to Vulva. The design of the plant creatures leave you in no doubt with their faces being pink as well.

The murder mystery bit is clumsy. You see that someone is reading Christie's Murder on the Orient Express, however I never get the feeling that other passengers have something to hide apart from Lasky's lot.

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