The BEST episodes of Doctor Who season 9

Every episode of Doctor Who season 9, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Doctor Who season 9!

The Doctor, a mysterious traveller in space and time, travels in his ship, the TARDIS. The TARDIS can take him and his companions anywhere in time and space. Inevitably he finds evil at work wherever he goes...

Last Updated: 2/9/2024Network: BBC OneStatus: Ended
Share:
The Sea Devils (2)
star
7.83
149 votes

#1 - The Sea Devils (2)

Season 9 - Episode 10 - Aired 3/4/1972

The Doctor is eager to make peace between the Sea Devils and the humans but has discovered that the Master is up to his old tricks.

Watch Now:AmazonApple TV
Day of the Daleks (2)
star
7.71
240 votes

#2 - Day of the Daleks (2)

Season 9 - Episode 2 - Aired 1/8/1972

A captive of the guerrillas, the Doctor discovers they intend to change history. Jo is transported to the 22nd Century where she unwittingly gives vital information to the Daleks.

Directors: Paul Bernard
Writer: Louis Marks
Watch Now:AmazonApple TV
Day of the Daleks (1)
star
7.61
289 votes

#3 - Day of the Daleks (1)

Season 9 - Episode 1 - Aired 1/1/1972

When Sir Reginald Styles claims to have seen a ghost, UNIT is called in. The Doctor and Jo spend the night at Styles' house and become the target of an assassin.

Directors: Paul Bernard
Writer: Louis Marks
Watch Now:Apple TV
The Sea Devils (4)
star
7.53
174 votes

#4 - The Sea Devils (4)

Season 9 - Episode 12 - Aired 3/18/1972

The Doctor attempts to persuade Captain Hart of the danger that the Master represents. Eager to make contact with the Sea Devils, the Doctor journeys deep into the ocean.

Watch Now:Apple TV
Day of the Daleks (4)
star
7.50
231 votes

#5 - Day of the Daleks (4)

Season 9 - Episode 4 - Aired 1/22/1972

The Controller betrays the Daleks and is exterminated. The Daleks travel back in time to the 20th Century to ensure that the peace conference fails.

Directors: Paul Bernard
Writer: Louis Marks
Watch Now:Apple TV
Day of the Daleks (3)
star
7.48
195 votes

#6 - Day of the Daleks (3)

Season 9 - Episode 3 - Aired 1/15/1972

The Doctor arrives in a bleak future where Earth is ruled by the Daleks and mankind is enslaved. Rescuing Jo, the two escape but the brutish Ogrons are in pursuit.

Directors: Paul Bernard
Writer: Louis Marks
Watch Now:Apple TV
The Curse of Peladon (4)
star
7.46
203 votes

#7 - The Curse of Peladon (4)

Season 9 - Episode 8 - Aired 2/19/1972

Hepesh, supported by the delegate from Arcturus, is revealed to be behind the attacks. Arcturus is killed but Hepesh escapes to rouse a rebellion against the King.

Directors: Lennie Mayne
Writer: Brian Hayles
Watch Now:Apple TV
The Sea Devils (5)
star
7.45
124 votes

#8 - The Sea Devils (5)

Season 9 - Episode 13 - Aired 3/25/1972

The Doctor is captured by the Sea Devils and taken to their undersea base. There he tries to make peace with the creatures, but his efforts are thwarted by the Navy.

Watch Now:Apple TV
The Time Monster (1)
star
7.44
216 votes

#9 - The Time Monster (1)

Season 9 - Episode 21 - Aired 5/20/1972

Masquerading as research scientist, Professor Thascales, the Master is using a device called TOMTIT to summon an ancient and powerful creature from beyond time.

Directors: Paul Bernard
Watch Now:Apple TV
The Time Monster (6)
star
7.42
154 votes

#10 - The Time Monster (6)

Season 9 - Episode 26 - Aired 6/24/1972

With the crystal of Kronos in his possession, the Master prepares to release the Chronovore. The Doctor is powerless to stop his nemesis as the end of Atlantis approaches.

Directors: Paul Bernard
The Time Monster (4)
star
7.38
155 votes

#11 - The Time Monster (4)

Season 9 - Episode 24 - Aired 6/10/1972

As UNIT forces approach, the Master leaves for Atlantis in his TARDIS. However, the Doctor is not far behind and in the time vortex, the two Time Lords confront each other.

Directors: Paul Bernard
Watch Now:Apple TV
The Sea Devils (3)
star
7.36
177 votes

#12 - The Sea Devils (3)

Season 9 - Episode 11 - Aired 3/11/1972

Jo attempts to rescue the Doctor who is being held prisoner by the Master and Trenchard. The Master plans to summon the Sea Devils from beneath the waves.

Watch Now:Apple TV
The Curse of Peladon (3)
star
7.34
204 votes

#13 - The Curse of Peladon (3)

Season 9 - Episode 7 - Aired 2/12/1972

The Doctor is sentenced to a fight to the death in the pit with the King's champion, Grun. But the saboteur and killer is still at large.

Directors: Lennie Mayne
Writer: Brian Hayles
Watch Now:Apple TV
The Curse of Peladon (2)
star
7.33
208 votes

#14 - The Curse of Peladon (2)

Season 9 - Episode 6 - Aired 2/5/1972

The work of the committee is hampered by sabotage, fear and suspicion. The Doctor knows the Ice Warriors of old and believes that they may be the guilty party.

Directors: Lennie Mayne
Writer: Brian Hayles
Watch Now:Apple TV
The Time Monster (2)
star
7.31
157 votes

#15 - The Time Monster (2)

Season 9 - Episode 22 - Aired 5/27/1972

The Doctor tracks the Master down to the Newton Institute. There, after a disastrous attempt to summon Kronos, the Master prepares to use TOMTIT again.

Directors: Paul Bernard
Watch Now:Apple TV
The Sea Devils (1)
star
7.23
184 votes

#16 - The Sea Devils (1)

Season 9 - Episode 9 - Aired 2/26/1972

The Doctor and Jo visit the Master who is held prisoner on an island. They learn that several ships have recently been sunk in the area and the Doctor decides to investigate.

Watch Now:Apple TV
The Mutants (6)
star
7.22
181 votes

#17 - The Mutants (6)

Season 9 - Episode 20 - Aired 5/13/1972

Despite the Doctor's arguments, the Earth Investigator reinstates the Marshal as commander of Skybase. Bombarded by thaesium radiation, Ky begins an incredible transformation.

Watch Now:Apple TV
The Curse of Peladon (1)
star
7.21
214 votes

#18 - The Curse of Peladon (1)

Season 9 - Episode 5 - Aired 1/29/1972

The planet Peladon is hoping to join the Galactic Federation. But King Peladon's Chancellor has been murdered and it seems that the legendary royal beast, Aggedor, is to blame.

Directors: Lennie Mayne
Writer: Brian Hayles
Watch Now:Apple TV
The Time Monster (3)
star
7.16
160 votes

#19 - The Time Monster (3)

Season 9 - Episode 23 - Aired 6/3/1972

Krasis, High Priest of Atlantis, has been summoned by the Master to help him find the crystal of Kronos. The Master uses TOMTIT to summon threats from the past to attack UNIT.

Directors: Paul Bernard
Watch Now:Apple TV
The Sea Devils (6)
star
7.14
151 votes

#20 - The Sea Devils (6)

Season 9 - Episode 14 - Aired 4/1/1972

The Sea Devils come to the surface and attack the Naval base. The Doctor is forced to create a machine that will awaken the creatures across the entire world.

Watch Now:Apple TV
The Time Monster (5)
star
6.90
156 votes

#21 - The Time Monster (5)

Season 9 - Episode 25 - Aired 6/17/1972

Arriving in Atlantis, the Master seduces the beautiful Queen Galleia so that he might possess the crystal of Kronos. But it is protected by a guardian who is half man, half beast.

Directors: Paul Bernard
Watch Now:Apple TV
The Mutants (3)
star
6.71
151 votes

#22 - The Mutants (3)

Season 9 - Episode 17 - Aired 4/22/1972

Ky opens the message box but cannot understand the ancient carved tablets inside. The Marshal seals the Doctor and his friends in the caves and prepares to gas them to death.

Watch Now:Apple TV
The Mutants (5)
star
6.71
178 votes

#23 - The Mutants (5)

Season 9 - Episode 19 - Aired 5/6/1972

With Jo held prisoner, the Doctor is forced to work for the Marshal. The Earth Investigator's ship prepares to dock at Skybase.

Watch Now:Apple TV
The Mutants (2)
star
6.68
152 votes

#24 - The Mutants (2)

Season 9 - Episode 16 - Aired 4/15/1972

Fearing Jo has died in Solos's hostile environment, the Doctor is forced to work with the scientist, Jaeger, to make the planet's atmosphere breathable for humans.

Watch Now:Apple TV
The Mutants (1)
star
6.65
153 votes

#25 - The Mutants (1)

Season 9 - Episode 15 - Aired 4/8/1972

The Time Lords send the Doctor to a Skybase above the planet Solos in the 30th Century. The Marshal of the Skybase is determined to stop Solos achieving independence from Earth.

Watch Now:Apple TV