You are watching Doctor Who: The Pirate Planet the movie produced in United Kingdom belongs with duration 100 Min in Category Action,Adventure,Drama,Science Fiction,TV Movie,. broadcast at streamingjoy.com , by [ BBC ] 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..