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Season 10
Doctor Who
26 EPISODES • 1972
William Hartnell returned in a cameo as the First Doctor and Patrick Troughton in a more substantial role as the Second Doctor in The Three Doctors. This story marked the end of the Doctor's exile on Earth, opening up the series to more off-world adventures and beginning a gradual reduction of UNIT-related stories.
Season 9

Episodes

1: The Three Doctors (1)
Dec 30, 1972
England, the near future. A strange anti-matter creature arrives on Earth and attacks UNIT HQ. It seems to be specifically seeking the Doctor out - but why? With the Time Lords themselves unable to help, it seems the only person who can help the Doctor is himself - or selves...
2: The Three Doctors (2)
Jan 6, 1973
The third Doctor and Jo find themselves on an artificial world inside the black hole while the second Doctor tries to find a way to control the organism.
3: The Three Doctors (3)
Jan 13, 1973
The Time Lord Omega reveals himself to the third Doctor along with plans for vengeance against his own kind.
4: The Three Doctors (4)
Jan 20, 1973
Omega reveals the purpose behind bringing the Doctor to his antimatter world, but the Doctor(s) discover a startling fact about Omega that he didn't know himself and eventually strike a bargain.
5: Carnival of Monsters (1)
Jan 27, 1973
The Doctor attempts to test his new dematerialisation circuit by taking Jo to Metebelis Three but instead the TARDIS arrives in the hold of a 1920s cargo ship.
6: Carnival of Monsters (2)
Feb 3, 1973
The Doctor and Jo attempt to find a way out of the Scope but, when Vorg attempts to entertain the Minorans, the crew of the Bernice suddenly become a lot more dangerous.
7: Carnival of Monsters (3)
Feb 10, 1973
The Doctor and Jo return to the Bernice to try and aid their escape but find themselves pursued by the Drashigs.
8: Carnival of Monsters (4)
Feb 17, 1973
The Doctor escapes from the Scope and joins forces with Vorg to try and save its inhabitants but Kalik is still determined to use the Drashigs to start a rebellion.
9: Frontier in Space (1)
Feb 24, 1973
The Doctor and Jo land on a spaceship in the far future as it is attacked by Ogrons, which the human crew see as Draconians. The Doctor and Jo are taken to Earth as spies.
10: Frontier in Space (2)
Mar 3, 1973
The Doctor and Jo are taken to Earth, where both humans and Draconians believe them to be a spy for the other side.
11: Frontier in Space (3)
Mar 10, 1973
The Doctor is sentenced to life imprisonment at a lunar penal colony while Jo encounters an old enemy.
12: Frontier in Space (4)
Mar 17, 1973
The Master rescues the Doctor from the lunar penal colony, aiming to take him and Jo to the Ogrons' planet, and the Doctor's attempt to escape leaves him stranded in space.
13: Frontier in Space (5)
Mar 24, 1973
The Doctor, Jo and the Master are taken to Draconia, where the Doctor tries to convince the Draconians of the truth.
14: Frontier in Space (6)
Mar 31, 1973
The Doctor, Williams and the Draconian Prince head to the Ogrons' planet to find evidence of the Master's actions but the Master tricks Jo into leading them into a trap.
15: Planet of the Daleks (1)
Apr 7, 1973
The planet Spiridon, the year 2540. The Doctor and Jo arrive on the trail of the Daleks, and find unexpected allies in the shape of a Thal suicide squad. But what has brought the Daleks here in the first place?
16: Planet of the Daleks (2)
Apr 14, 1973
The Doctor is captured by the Daleks, while Jo is rescued by a friendly Spridon named Wester.
17: Planet of the Daleks (3)
Apr 21, 1973
The Doctor and Codal escape from their cell and meet up with the Thal commandos who are trying to get into the Dalek base.
18: Planet of the Daleks (4)
Apr 28, 1973
The Doctor and his friends escape from the Dalek base, prompting the Daleks to devise a plan to wipe them out.
19: Planet of the Daleks (5)
May 5, 1973
The Doctor and his friends ambush two Daleks as part of their plan to get back into the city, but the Daleks are on the verge of unleashing their virus.
20: Planet of the Daleks (6)
May 12, 1973
The Doctor and his friends prepare to refreeze the Dalek army but the Dalek Supreme has arrived on the planet determined to destroy them all.
21: The Green Death (1)
May 19, 1973
While the Doctor plans a holiday to Metebelis Three, Jo and the Brigadier are intrigued by a mysterious death at a coal mine in Llanfairfach, which is being blamed on local company Global Chemicals.
22: The Green Death (2)
May 26, 1973
The Doctor and the Brigadier attempt to rescue Jo and Bert from the mine but Global Chemicals prove distinctly uncooperative.
23: The Green Death (3)
Jun 2, 1973
The Doctor and Jo manage to escape from the mine with a maggot egg but Stevens is determined to stop them analysing it.
24: The Green Death (4)
Jun 9, 1973
The Brigadier calls in a full UNIT force to deal with the giant maggots while the Doctor infiltrates Global Chemicals to find out what is really going on.
25: The Green Death (5)
Jun 16, 1973
The Doctor manages to escape from BOSS with help from Yates and discovers Cliff has been infected by a giant maggot.
26: The Green Death (6)
Jun 23, 1973
The Doctor attempts to destroy the giant maggots and cure Cliff but the real threat is BOSS, who is poised to take over all the world's computers.
Season 11
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