Doctor Who (1963–1996) Season 21 Episodes Available now
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The Twin Dilemma: Part 4
The Doctor's old friend Azmael comes to the realisation that he has been corrupted.
The Twin Dilemma: Part 3
Mestor says all he wants is for the Sylvest twins to help him repopulate his home planet.
The Twin Dilemma: Part 2
On Jaconda, Mestor's cruel domination over the planet's population continues.
The Twin Dilemma: Part 1
Professor Edgeworth has kidnapped twin human child genii, Romulus and Remus.
The Caves of Androzani: Part 4
Morgus is ruined and Jek goes on a murderous rampage.
The Caves of Androzani: Part 3
Jek believes Peri will fall in love with him and the Doctor is caught by the gunrunners.
The Caves of Androzani: Part 2
Salateen tells Peri and the Doctor they are dying from spectrox toxaemia.
The Caves of Androzani: Part 1
Gunrunners on Androzani Minor are supplying the unhinged android-builder, Sharez Jek.
Planet of Fire: Part 4
The Doctor is forced to take drastic measures against Kamelion and the Master.
Planet of Fire: Part 3
Timanov demands sacrifices to appease his god, Logar.
