BBC One

Doctor Who (1963–1996) - Season 16: The Ribos Operation: Part 1

On a mission to collect the six segments of the Key to Time, the Doctor and Romana travel to the planet Ribos where the first segment is protected by the monstrous Shrivenzale. 

  • Duration25 mins
  • First shown2 Sep 1978
  • Available for over a year
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Season 16 Episodes

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