BBC One

Doctor Who (1963–1996) - Season 1: The Keys of Marinus: The Keys of Marinus - Audio Described

The Doctor solves the murder mystery and finds the final missing key. With Ian now free, the travellers return to the island only to discover that Arbitan has been murdered. 

  • Duration25 mins
  • First shown16 May 1964
  • Available for over a year
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Season 1 Episodes

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