The Time Monster


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The Time Monster

Serial Code


First Transmitted

20 May 1972

Final Ratings







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Regular Cast

Jon Pertwee (Doctor Who) Katy Manning (Jo Grant)

Guest Cast

Roger Delgado (The Master), Nicholas Courtney (Brigadier Lethbridge-Stewart), Richard Franklin (Captain Mike Yates), John Levene (Sergeant Benton), Wanda Moore (Dr. Ruth Ingram), Ian Collier (Stuart Hyde), John Wyse (Dr. Percival), Neville Barber (Dr. Cook), Barry Ashton (Proctor), Terry Walsh (Window Cleaner), Donald Eccles (Krasis), Aidan Murphy (Hippias), Keith Dalton (Neophite), Simon Legree (UNIT Sergeant), Marc Boyle (Kronos), George Cormack (Dalios), Gregory Powell (Knight), Dave Carter (Roundhead officer), George Lee (Farmworker), Ingrid Pitt (Galleia), Derek Murcott (Crito), Susan Penhaligon (Lakis), Michael Walker (Miseus), Melville Jones (Guard), Dave Prowse (Minotaur), Ingrid Bower (Face of Kronos).


Written by Robert Soloman
Directed by Paul Bernard
Produced by Barry Letts


UNIT are called into monitor the initial trials of a device called TOMTIT – the Transmission of Matter Through Interstitial Time – at the Newton Institute at Wootton. Created by the enigmatic Professor Thascales, TOMTIT’s demonstration causes unexpected time anomalies. The Doctor soon discovers that TOMTIT is not all that it seems…

At the heart of TOMTIT is an ancient crystal, which The Master hopes to use to gain control over Kronos – a Chronovore which feeds on time itself. But the stone he holds is only part of the sacredits crystal of Kronos – the main crystal is hidden…

The Doctor and the Master journey back in time to the lost city of Atlantis, where the battle for the control of Kronos intensifies… Can The Doctor prevent the Time Monster from being unleashed…?


  • During The Doctor’s vision, the volcano stock footage used in the title sequence of the parallel Earth story Inferno is re-used.
  • This is the only appearance of the washing up bowl interior for the TARDIS (designed by Tim Gleeson).
  • The Doctor’s TARDIS and the Master’s TARDIS would again materialise inside one another in Logopolis.
  • In episode one, the interior of the police box prop is visible.
  • Jo is obviously operating a button with her index finger on the time sensor in episode 1 to make the prop spin as it detects The Doctor’s TARDIS.
  • The crystal moves when Benton tries to lift it, even as he and the Doctor talk about it being impossible to move.
  • The Doctor doesn’t close the TARDIS door all the way before taking off with Jo, yet it is completely shut when they dematerialise.
  • The V1 footage is black and white.
  • The Doctor’s supposedly backwards dialogue when played backwards is still gibberish.
  • In episode 3, The Doctor states that The Master is using the crystal to bring enemiesback in time. However, these characters are clearly from the past, and therefore were brought forward in time.

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