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The Best Episodes of Doctor Who Season 9

Every episode of Doctor Who Season 9 ranked from best to worst. Discover the Best Episodes of Doctor Who Season 9!

Binge this in 10h 25m•Peaking at 7.9/10

The adventures of The Doctor, a time-traveling humanoid alien known as a Time Lord. He explores the universe in his TARDIS, a sentient time-traveling spaceship. Its exterior appears as a blue British police box, which

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Episode Rankings

  1. #1 Fan Favorite
    Doctor Who Season 9 Episode 4 - Day of the Daleks (4)
    7.9/10(650 votes)

    S9:E4

    The guerrillas infiltrate the Daleks' base to rescue the Doctor and Jo and ask them to return to their own time and alter history before the 20th century is plunged into a Third World War.

    Director:Paul Bernard
    Writer:Louis Marks

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  2. Doctor Who Season 9 Episode 9 - The Sea Devils (1)
    7.8/10(754 votes)

    S9:E9

    The Doctor and Jo visit the Master at his island prison where the Doctor becomes curious about a number of ships sinking in the area.

    Director:Michael E. Briant
    Writer:Malcolm Hulke

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  3. Doctor Who Season 9 Episode 3 - Day of the Daleks (3)
    7.7/10(644 votes)

    S9:E3

    The Doctor forces the guerrillas to take him to the 22nd century where he is soon captured by the Controller.

    Director:Paul Bernard
    Writer:Louis Marks

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  4. Doctor Who Season 9 Episode 10 - The Sea Devils (2)
    7.7/10(674 votes)

    S9:E10

    The Doctor and Jo are trapped on the fort by a Sea Devil while the Master convinces Trenchard to help him steal some electronic components.

    Director:Michael E. Briant
    Writer:Malcolm Hulke

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  5. Doctor Who Season 9 Episode 13 - The Sea Devils (5)
    7.7/10(654 votes)

    S9:E13

    The Doctor is taken to the Sea Devils' underwater colony where he tries to make peace with the creatures, only for the navy to attack the base.

    Director:Michael E. Briant
    Writer:Malcolm Hulke

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  6. Doctor Who Season 9 Episode 14 - The Sea Devils (6)
    7.7/10(655 votes)

    S9:E14

    The Sea Devils take over the naval base and the Doctor is forced to help the Master find a way to revive their colony.

    Director:Michael E. Briant
    Writer:Malcolm Hulke

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  7. Doctor Who Season 9 Episode 1 - Day of the Daleks (1)
    7.6/10(725 votes)

    S9:E1

    When someone tries to assassinate diplomat Sir Reginald Styles, UNIT investigate the possibility his attacker came from the future.

    Director:Paul Bernard
    Writer:Louis Marks

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  8. Doctor Who Season 9 Episode 2 - Day of the Daleks (2)
    7.6/10(642 votes)

    S9:E2

    Jo uses the guerrillas' time machine to travel to the 22nd century where the Controller tricks her into telling the Daleks where she's come from.

    Director:Paul Bernard
    Writer:Louis Marks

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  9. Doctor Who Season 9 Episode 11 - The Sea Devils (3)
    7.6/10(668 votes)

    S9:E11

    The Doctor is held prisoner by Trenchard while the Master attempts to contact the Sea Devils.

    Director:Michael E. Briant
    Writer:Malcolm Hulke

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  10. Doctor Who Season 9 Episode 12 - The Sea Devils (4)
    7.6/10(656 votes)

    S9:E12

    The Sea Devils attack the island prison and rescue the Master, prompting the Doctor to venture underwater to try and contact them.

    Director:Michael E. Briant
    Writer:Malcolm Hulke

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  11. Doctor Who Season 9 Episode 7 - The Curse of Peladon (3)
    7.5/10(608 votes)

    S9:E7

    The Doctor is sentenced to fight Grun to the death and his attempt to escape leads to an encounter with Aggedor.

    Director:Lennie Mayne
    Writer:Brian Hayles

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  12. Doctor Who Season 9 Episode 8 - The Curse of Peladon (4)
    7.5/10(608 votes)

    S9:E8

    Hepesh's plan has been exposed but he is still determined to prevent Peladon joining the Galactic Federation by leading a rebellion against the King.

    Director:Lennie Mayne
    Writer:Brian Hayles

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  13. Doctor Who Season 9 Episode 5 - The Curse of Peladon (1)
    7.4/10(669 votes)

    S9:E5

    The Doctor and Jo arrive on the medieval planet Peladon, where the Doctor is mistaken for the Earth Delegate of the Galactic Federation and Jo is mistaken for a princess.

    Director:Lennie Mayne
    Writer:Brian Hayles

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  14. Doctor Who Season 9 Episode 6 - The Curse of Peladon (2)
    7.4/10(608 votes)

    S9:E6

    The Doctor is convinced the Ice Warriors are trying to sabotage the conference but his attempts to prove it see him accused of sacrilege.

    Director:Lennie Mayne
    Writer:Brian Hayles

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  15. Doctor Who Season 9 Episode 24 - The Time Monster (4)
    6.9/10(520 votes)

    S9:E24

    The Master prepares to travel back to Atlantis but the Doctor links his TARDIS to the Master's to try and stop him.

    Director:Paul Bernard
    Writers:Barry Letts, Robert Sloman

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  16. Doctor Who Season 9 Episode 21 - The Time Monster (1)
    6.7/10(579 votes)

    S9:E21

    UNIT are invited to observe a demonstration of the new TOMTIT machine, unaware its creator, Professor Thascales, is actually the Master.

    Director:Paul Bernard
    Writers:Barry Letts, Robert Sloman

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  17. Doctor Who Season 9 Episode 26 - The Time Monster (6)
    6.7/10(535 votes)

    S9:E26

    The Doctor enters the labyrinth to try and protect Jo from the minotaur but the Master has seized control of Atlantis and prepares to summon Kronos again.

    Director:Paul Bernard
    Writers:Barry Letts, Robert Sloman

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  18. Doctor Who Season 9 Episode 15 - The Mutants (1)
    6.6/10(583 votes)

    S9:E15

    The Doctor and Jo arrive on the planet Solos, on a assignment by the Time Lords, where they learn that the native Solonians are mutating into ant-like mutant creatures...

    Director:Christopher Barry
    Writers:Dave Martin, Bob Baker

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  19. Doctor Who Season 9 Episode 16 - The Mutants (2)
    6.6/10(527 votes)

    S9:E16

    Ky transports himself and Jo down to Solos and the Marshal only agrees to help her if the Doctor assists Professor Jaeger in altering Solos' atmosphere.

    Director:Christopher Barry
    Writers:Dave Martin, Bob Baker

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  20. Doctor Who Season 9 Episode 18 - The Mutants (4)
    6.6/10(526 votes)

    S9:E18

    The Doctor and his friends are led to safety by Professor Sondergaard, who tries to help the Doctor translate the tablets.

    Director:Christopher Barry
    Writers:Dave Martin, Bob Baker

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  21. Doctor Who Season 9 Episode 22 - The Time Monster (2)
    6.6/10(525 votes)

    S9:E22

    The Doctor realises the Master is trying to harness the power of Kronos, last of the Chronovores, but is unaware Percival is harbouring him at the institute.

    Director:Paul Bernard
    Writers:Barry Letts, Robert Sloman

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  22. Doctor Who Season 9 Episode 25 - The Time Monster (5)
    6.6/10(536 votes)

    S9:E25

    Both TARDISes reach Atlantis, where the Doctor befriends King Dalios while the Master enlists the help of Queen Galleia to try and obtain the crystal of Kronos.

    Director:Paul Bernard
    Writers:Barry Letts, Robert Sloman

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  23. Doctor Who Season 9 Episode 17 - The Mutants (3)
    6.5/10(524 votes)

    S9:E17

    The Doctor and Varan travel down to Solos to search for Jo and Ky but the Marshal orders his men to pursue them.

    Director:Christopher Barry
    Writers:Bob Baker, Dave Martin

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  24. Doctor Who Season 9 Episode 19 - The Mutants (5)
    6.5/10(522 votes)

    S9:E19

    The Marshal's premature use of Jaeger's experiment is threatening to destroy Solos' atmosphere and the Doctor returns to Skybase to try and correct the damage.

    Director:Christopher Barry
    Writers:Dave Martin, Bob Baker

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  25. Doctor Who Season 9 Episode 20 - The Mutants (6)
    6.5/10(528 votes)

    S9:E20

    The Doctor is forced to help the Marshal cover up his actions with the Investigator but Jo and the others attempt to escape to expose him.

    Director:Christopher Barry
    Writers:Bob Baker, Dave Martin

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Season 9 Ratings Summary

"Day of the Daleks (4)" is the best rated episode of "Doctor Who" season 9. It scored 7.9/10 based on 650 votes. Directed by Paul Bernard and written by Louis Marks, it aired on 1/22/1972. This episode is rated 0.1 points higher than the second-best, "The Sea Devils (1)".