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Doctor Who: The Pirate Planet
The Doctor and Romana learn the second segment of the Key to Time is on the planet Calufrax. Yet they arrive on a planet called Zanak, which has been hollowed out and fitted with hyperspace engines, allowing its insane, half-robot Captain to materialise it around smaller planets and plunder their resources.
- Year: 1978
- Country: United Kingdom
- Genre: Action, Adventure, Drama, Science Fiction, TV Movie
- Studio: BBC
- Keyword: time travel
- Director: Pennant Roberts
- Cast: Tom Baker, Mary Tamm, John Leeson, Bruce Purchase, Andrew Robertson, Rosalind Lloyd