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The Keys of Marinus: The Keys of Marinus

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.

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25 minutes

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Enter The Whoniverse

Enter The Whoniverse

Every Doctor, every companion, every enemy. Discover the Whoniverse. Only on Βι¶ΉΤΌΕΔ iPlayer.