Planet of Evil (4)

October 18, 1975

72.0%

Doctor Who - S13 - E8

The Doctor tries to convince Sorenson to sacrifice himself for the rest of the crew but Salamar's attempt to deal with the situation causes their problems to multiply.

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Doctor Who: Season 13 - 26 Episode s

13x1 - Terror of the Zygons (1)
August 30, 1975
Scotland, the near future. Something is smashing oil rigs off the Scottish coast, and UNIT have been called in to investigate. The Brigadier summons the Doctor to Earth to help in the investigation, but it soon becomes clear some kind of alien presence is at work...
13x2 - Terror of the Zygons (2)
September 6, 1975
The Zygon traps the Doctor and Sarah Jane in a decompression chamber while Harry is taken to the aliens' underwater ship.
13x3 - Terror of the Zygons (3)
September 13, 1975
The Doctor and the Brigadier begin to realise who the Zygon imposters among them are while Sarah Jane discovers a secret tunnel to the underwater ship.
13x4 - Terror of the Zygons (4)
September 20, 1975
UNIT attempt to track down the Zygon ship while Broton prepares to have the Skarasen attack London.
13x5 - Planet of Evil (1)
September 27, 1975
The Doctor and Sarah answer a distress call and find themselves on Zeta Minor, the last planet of the known universe, where a Morestran expedition has gone missing.
13x6 - Planet of Evil (2)
October 4, 1975
The Doctor realises that Zeta Minor lies on the boundary between the universes of matter and anti-matter and something on the planet won't let the Morestrans leave.
13x7 - Planet of Evil (3)
October 11, 1975
The Doctor makes a deal with the Anti-Matter Beast to return all the anti-matter to the planet but Sorenson is determined to continue his research.
13x8 - Planet of Evil (4)
October 18, 1975
The Doctor tries to convince Sorenson to sacrifice himself for the rest of the crew but Salamar's attempt to deal with the situation causes their problems to multiply.
13x9 - Pyramids of Mars (1)
October 25, 1975
The Doctor and Sarah are drawn off course and, instead of UNIT HQ, they arrive on the same site in 1911.
13x10 - Pyramids of Mars (2)
November 1, 1975
The Doctor, Sarah and Laurence try to find a way to sever Sutekh's link to the mummies while poacher Ernie Clements finds the priory surrounded by a forcefield.
13x11 - Pyramids of Mars (3)
November 8, 1975
The Doctor and Sarah try to destroy Sutekh's rocket but the Osiran's mental powers prove too great for them.
13x12 - Pyramids of Mars (4)
November 15, 1975
Sutekh forces the Doctor to transport Scarman and a mummy to Mars, where the Doctor and Sarah try to stop them destroying the Eye of Horus.
13x13 - The Android Invasion (1)
November 22, 1975
The Doctor and Sarah return to Earth in the present day to find a strangely deserted village and woods stalked by white-clad figures.
13x14 - The Android Invasion (2)
November 29, 1975
The Doctor suspects Crayford brought something to Earth in his rocket, as he and Sarah find themselves hunted by UNIT.
13x15 - The Android Invasion (3)
December 6, 1975
The Doctor is captured by Styggron and left to die in the destruction of the fake village but Sarah escapes from the disorientation chamber to try and rescue him.
13x16 - The Android Invasion (4)
December 13, 1975
The Doctor and Sarah reach Earth and try to warn the research centre about the Kraal invasion before Styggron unleashes his virus.
13x17 - The Brain of Morbius (1)
January 3, 1976
The storm-lashed planet Karn. Near a graveyard of crashed starships, the demented surgeon Solon hides in his castle, the last acolyte of the Time Lord despot Morbius. He only needs one final item to make his master live again... and then the Doctor and Sarah arrive...
13x18 - The Brain of Morbius (2)
January 10, 1976
The Doctor is captured by the Sisterhood, and Sarah Jane is blinded freeing him. The Doctor has no choice but to go back for a cure, unaware that he is leaving Sarah Jane in the hands of a treacherous Dr. Solon and the renegade Time Lord Morbius.
13x19 - The Brain of Morbius (3)
January 17, 1976
While the Doctor goes to confront the Sisterhood to seek a cure for Sarah Jane's blindness, Solon realizes that he must transfer Morbius' brain into a new body before it is too late.
13x20 - The Brain of Morbius (4)
January 24, 1976
Morbius lives once more, but as a rampaging beast. The Doctor is forced to ally with Dr. Solon to bring him to heel, but the two disagree about what should happen to Morbius.
13x21 - The Seeds of Doom (1)
January 31, 1976
The Antarctic, the near future. A strange seed-pod is unearthed from 20-thousand-year-old ice. The Doctor and Sarah go to investigate, but are too late to prevent the pod infecting a scientist and unleashing a threat to all animal life on Earth...
13x22 - The Seeds of Doom (2)
February 7, 1976
Two employees of the millionaire Harrison Chase arrive at the Antarctic base, and they will stop at nothing to get hold of the second seed-pod.
13x23 - The Seeds of Doom (3)
February 14, 1976
The Doctor and Sarah Jane return to England after their Antarctic ordeal and Chase tries to eliminate them, but they escape and track him down at his estate, where he is preparing to open the Krynoid pod.
13x24 - The Seeds of Doom (4)
February 21, 1976
The Doctor is captured by Chase, who plans to breed the stolen Krynoid pod. He is placed in an automated compost hopper and only Sarah Jane can save him... but will she make it before the Krynoid grows to fruition ?
13x25 - The Seeds of Doom (5)
February 28, 1976
The Krynoid grows to a monstrous size and traps the Doctor and the others in a cottage. The creature demands they turn over the Doctor, while Chase seeks to make an alliance with the alien vegetation.
13x26 - The Seeds of Doom (6)
March 6, 1976
The Doctor, Sarah Jane, and Scorby are trapped in the manor as a possessed Chase stalks them from within, while the gigantic Krynoid prepares to crush them from without. Worse, the alien plant is ready to germinate, spreading its seeds across England.

13x1 - Terror of the Zygons (1)

13x2 - Terror of the Zygons (2)

13x3 - Terror of the Zygons (3)

13x4 - Terror of the Zygons (4)

13x5 - Planet of Evil (1)

13x6 - Planet of Evil (2)

13x7 - Planet of Evil (3)

13x8 - Planet of Evil (4)

13x9 - Pyramids of Mars (1)

13x10 - Pyramids of Mars (2)

13x11 - Pyramids of Mars (3)

13x12 - Pyramids of Mars (4)

13x13 - The Android Invasion (1)

13x14 - The Android Invasion (2)

13x15 - The Android Invasion (3)

13x16 - The Android Invasion (4)

13x17 - The Brain of Morbius (1)

13x18 - The Brain of Morbius (2)

13x19 - The Brain of Morbius (3)

13x20 - The Brain of Morbius (4)

13x21 - The Seeds of Doom (1)

13x22 - The Seeds of Doom (2)

13x23 - The Seeds of Doom (3)

13x24 - The Seeds of Doom (4)

13x25 - The Seeds of Doom (5)

13x26 - The Seeds of Doom (6)

S0: Specials

S1: Season 1

S2: Season 2

S3: Season 3

S4: Season 4

S5: Season 5

S6: Season 6

S7: Season 7

S8: Season 8

S9: Season 9

S10: Season 10

S11: Season 11

S12: Season 12

S13: Season 13

S14: Season 14

S15: Season 15

S16: The Key to Time

S17: Season 17

S18: Season 18

S19: Season 19

S20: Season 20

S21: Season 21

S22: Season 22

S23: The Trial of a Time Lord

S24: Season 24

S25: Season 25

S26: Season 26