Doctor Who (1963–1996) Season 12 Episodes Available now
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The Sontaran Experiment: Part 2
Sarah has been caught by Styre, the Sontaran conducting experiments on the captive humans.
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The Sontaran Experiment: Part 1
Arriving on Earth, the Doctor, Harry and Sarah meet a group of stranded human colonists.
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The Ark in Space: Part 4
Noah has now fully transformed into a Wirrn and intends to devour the sleeping humans.
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The Ark in Space: Part 3
The Doctor tries to access the memories of the dead Wirrn Queen.
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The Ark in Space: Part 2
The Ark has been invaded by the giant insectoid Wirrn.
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The Ark in Space: Part 1
The travellers land on the Ark and find mankind's survivors - in hibernation!
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Robot: Part 4
The Doctor races to avert a nuclear holocaust and the robot takes Sarah hostage.
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Robot: Part 3
Sealed inside an underground bunker, Miss Winters issues her demands to the world.
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Robot: Part 2
Harry Sullivan is sent to infiltrate Think Tank to discover the truth.
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Robot: Part 1
UNIT are called in when top secret plans are stolen from high security establishments.