Doctor Who Season 9 poster

Doctor Who — Season 9

It was noted for being the beginning of the end of the Doctor's exile on Earth, with the Doctor's TARDIS still under the control of the Time Lords (The Mutants) and restricted freedom (The Curse of Pe

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About this season

It was noted for being the beginning of the end of the Doctor's exile on Earth, with the Doctor's TARDIS still under the control of the Time Lords (The Mutants) and restricted freedom (The Curse of Peladon and The Time Monster), as well as UNIT and the Master appearing less frequently in compared to the previous two series. As well as the return of the Daleks and the Ice Warriors, this series also introduced Alpha Centauri, Aggedor and the Silurians' aquatic cousins the Sea Devils.

Episodes (26)

Day of the Daleks (1)
E1

1. Day of the Daleks (1)

6.6

Aired 1 January 1972 • 25 min

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

Day of the Daleks (2)
E2

2. Day of the Daleks (2)

6.4

Aired 8 January 1972 • 25 min

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.

Day of the Daleks (3)
E3

3. Day of the Daleks (3)

6.3

Aired 15 January 1972 • 25 min

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

Day of the Daleks (4)
E4

4. Day of the Daleks (4)

6.7

Aired 22 January 1972 • 25 min

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.

The Curse of Peladon (1)
E5

5. The Curse of Peladon (1)

6.3

Aired 29 January 1972 • 25 min

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.

The Curse of Peladon (2)
E6

6. The Curse of Peladon (2)

6.2

Aired 5 February 1972 • 25 min

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

The Curse of Peladon (3)
E7

7. The Curse of Peladon (3)

6.2

Aired 12 February 1972 • 25 min

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

The Curse of Peladon (4)
E8

8. The Curse of Peladon (4)

6.8

Aired 19 February 1972 • 25 min

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.

The Sea Devils (1)
E9

9. The Sea Devils (1)

7.5

Aired 26 February 1972 • 25 min

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.

The Sea Devils (2)
E10

10. The Sea Devils (2)

7.6

Aired 4 March 1972 • 25 min

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.

The Sea Devils (3)
E11

11. The Sea Devils (3)

7.4

Aired 11 March 1972 • 25 min

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

The Sea Devils (4)
E12

12. The Sea Devils (4)

7.0

Aired 18 March 1972 • 25 min

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

The Sea Devils (5)
E13

13. The Sea Devils (5)

7.0

Aired 25 March 1972 • 25 min

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.

The Sea Devils (6)
E14

14. The Sea Devils (6)

7.2

Aired 1 April 1972 • 25 min

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

The Mutants (1)
E15

15. The Mutants (1)

6.3

Aired 8 April 1972 • 25 min

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...

The Mutants (2)
E16

16. The Mutants (2)

6.2

Aired 15 April 1972 • 25 min

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.

The Mutants (3)
E17

17. The Mutants (3)

6.2

Aired 22 April 1972 • 25 min

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

The Mutants (4)
E18

18. The Mutants (4)

6.2

Aired 29 April 1972 • 25 min

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

The Mutants (5)
E19

19. The Mutants (5)

5.7

Aired 6 May 1972 • 25 min

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.

The Mutants (6)
E20

20. The Mutants (6)

6.2

Aired 13 May 1972 • 25 min

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.

The Time Monster (1)
E21

21. The Time Monster (1)

6.2

Aired 20 May 1972 • 25 min

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

The Time Monster (2)
E22

22. The Time Monster (2)

6.7

Aired 27 May 1972 • 25 min

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.

The Time Monster (3)
E23

23. The Time Monster (3)

6.7

Aired 3 June 1972 • 25 min

The Master enlists the help of Krasis to control Kronos while Yates tries to bring the TARDIS to the institute only to come under attack from dangers from the past.

The Time Monster (4)
E24

24. The Time Monster (4)

6.8

Aired 10 June 1972 • 25 min

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

The Time Monster (5)
E25

25. The Time Monster (5)

6.3

Aired 17 June 1972 • 25 min

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.

The Time Monster (6)
E26

26. The Time Monster (6)

5.2

Aired 24 June 1972 • 25 min

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.

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