Episode 1
Aired Jan 1, 1972
Day of the Daleks: Episode 1
Freedom fighters, trying to change history by traveling back in time to prevent the Daleks from conquering Earth, start a temporal paradox. With Jon Pertwee.
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Episode 2
Aired Jan 8, 1972
Day of the Daleks: Episode 2
Jo tampers with one of the travelers' time machines and is transported into the future.
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Episode 3
Aired Jan 15, 1972
Day of the Daleks: Episode 3
The Doctor forces the guerrillas to help him arrive in the 22nd century, a future when the Earth is ruled by the Daleks.
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Episode 4
Aired Jan 22, 1972
Day of the Daleks: Episode 4
The rebel humans are about to change history and the Doctor tries to stop them.
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Episode 5
Aired Jan 29, 1972
The Curse of Peladon: Episode 1
The Doctor is mistaken for Earth's representative at a meeting of the Galactic Federation.
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Episode 6
Aired Feb 5, 1972
The Curse of Peladon: Episode 2
The Doctor faces a royal beast.
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Episode 7
Aired Feb 12, 1972
The Curse of Peladon: Episode 3
Jo receives a royal proposal.
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Episode 8
Aired Feb 19, 1972
The Curse of Peladon: Episode 4
The Doctor battles the beast.
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Episode 9
Aired Feb 26, 1972
The Sea Devils: Episode 1
The Doctor tries to make peace with reptilian Sea Devils persuaded by the Master to help him dominate man. With Jon Pertwee.
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Episode 10
Aired Mar 4, 1972
The Sea Devils: Episode 2
The Doctor discovers that the sea creatures are kin to the Silurians, a race he once helped destroy.
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Episode 11
Aired Mar 11, 1972
The Sea Devils: Episode 3
The Master devises equipment to contact the sea creatures and help them regain control of Earth.
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Episode 12
Aired Mar 18, 1972
The Sea Devils: Episode 4
The Master and the Sea Devils form an alliance.
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Episode 13
Aired Mar 25, 1972
The Sea Devils: Episode 5
The Doctor is brought before the chief Sea Devil and counsels peace.
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Episode 14
Aired Apr 1, 1972
The Sea Devils: Episode 6
Under duress, the Doctor helps the Master repair a unit that may revive Sea Devils globally.
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Episode 15
Aired Apr 8, 1972
The Mutants: Episode 1
The Doctor is sent to a skybase orbiting the planet of Solos in the 30th century, where he must deliver a sealed message pod; on the planet below, something is transforming the human population into hideous mutants.
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Episode 16
Aired Apr 15, 1972
The Mutants: Episode 2
Ky flees to the planet's poisonous surface, taking Jo with him; the Marshal, holding the Doctor captive, demands that he opens the message pod.
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Episode 17
Aired Apr 22, 1972
The Mutants: Episode 3
The Doctor gives the box to Ky, revealing the contents to be scrolls written in the language of the Old Ones.
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Episode 18
Aired Apr 29, 1972
The Mutants: Episode 4
The Doctor and Sondergaard make a discovery in the caves of Solos while Jo falls into the Marshal's trap.
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Episode 19
Aired May 6, 1972
The Mutants: Episode 5
The Doctor and Jo are once again sent into danger by the Time Lords when they are given a vital message capsule to deliver.
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Episode 20
Aired May 13, 1972
The Mutants: Episode 6
The Marshal is on trial, with the Doctor as chief witness; Jo and the Doctor's friends are the Marshal's prisoners.
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Episode 21
Aired May 20, 1972
The Time Monster: Episode 1
The Master plans to seize the Crystal of Kronos, gaining power over time itself.
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Episode 22
Aired May 27, 1972
The Time Monster: Episode 2
The Master manages to transmit the Lost City's High Priest through time into his laboratory.
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Episode 23
Aired Jun 3, 1972
The Time Monster: Episode 3
The High Priest reveals that the Master has only a portion of the crystal that resides in the temple vaults.
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Episode 24
Aired Jun 10, 1972
The Time Monster: Episode 4
Kronos attacks the Doctor.
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Episode 25
Aired Jun 17, 1972
The Time Monster: Episode 5
The Doctor is transported to an eternity of nothingness, as the Master arrives in Atlantis.
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Episode 26
Aired Jun 24, 1972
The Time Monster: Episode 6
The Master summons Kronos, but the creature is uncontrollable and causes an earthquake.
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