7.6/10906 votes#1 - Robot (1)
Season 12 Episode 1 - Aired 12/28/1974
Can the Doctor, now in his fourth incarnation, recover from his post regenerative trauma to save the Earth from Think Tank and their plot for world domination ?
Director: Christopher Barry
Writer: Terrance Dicks
7.3/10775 votes#2 - Robot (2)
Season 12 Episode 2 - Aired 1/4/1975
The Doctor and Sarah Jane become convinced Think Tank are behind the electronic component thefts but are unable to stop them carrying out another raid.
Director: Christopher Barry
Writer: Terrance Dicks
7.2/10765 votes#3 - Robot (3)
Season 12 Episode 3 - Aired 1/11/1975
Sarah Jane and Kettlewell infiltrate an SRS meeting to try and find out what Miss Winters is up to but there is a surprise in store.
Director: Christopher Barry
Writer: Terrance Dicks
7.2/10779 votes#4 - Robot (4)
Season 12 Episode 4 - Aired 1/18/1975
UNIT attempt to get into the bunker to stop Miss Winters setting off the world's nuclear missiles but first they have to get past the K1.
Director: Christopher Barry
Writer: Terrance Dicks
8.1/10972 votes#5 - The Ark in Space (1)
Season 12 Episode 5 - Aired 1/25/1975
The Doctor's attempt to give Harry a trip in the TARDIS sees the two of them and Sarah Jane arriving onboard a space station in the far future, with some rather deadly security mechanisms.
Director: Rodney Bennett
Writer: Robert Holmes
8.1/10848 votes#6 - The Ark in Space (2)
Season 12 Episode 6 - Aired 2/1/1975
The Doctor and Harry revive the Ark's medtech, Vira, to help Sarah Jane. But when station commander Noah is revived, he becomes suspicious of the newcomers.
Director: Rodney Bennett
Writer: Robert Holmes
8.0/10830 votes#7 - The Ark in Space (3)
Season 12 Episode 7 - Aired 2/8/1975
Knowing that Noah has been infected by the Wirrn, the Doctor persuades Vira to halt the reviving of her people, knowing it will place them in danger as well.
Director: Rodney Bennett
Writer: Robert Holmes
8.1/10836 votes#8 - The Ark in Space (4)
Season 12 Episode 8 - Aired 2/15/1975
The Doctor tries to protect the humans still in cryogenic suspension from the Wirrn, who are determined to use Earth as their new breeding ground.
Director: Rodney Bennett
Writer: Robert Holmes
7.2/10822 votes#9 - The Sontaran Experiment (1)
Season 12 Episode 9 - Aired 2/22/1975
The Doctor, Sarah Jane and Harry teleport to Earth to ensure the planet is safe for the survivors on board Nerva Beacon to return and reinhabit their world. A Sontaran named Styre has captured a group of humans and is conducting experiments on them to discover the human body's weaknesses, as part of the Sontaran's goal for domination of the galaxy.
Director: Rodney Bennett
Writer: Bob Baker, Dave Martin
7.2/10757 votes#10 - The Sontaran Experiment (2)
Season 12 Episode 10 - Aired 3/1/1975
The Doctor learns that Styre has been experimenting on the Galsec crewmembers to pave the way for a Sontaran invasion of Earth and decides the only way to halt his plans is to challenge him to a duel.
Director: Rodney Bennett
Writer: Bob Baker, Dave Martin
9.0/101,227 votes#11 - Genesis of the Daleks (1)
Season 12 Episode 11 - Aired 3/8/1975
The planet Skaro, the distant past. The Time Lords divert the Doctor, Sarah Jane and Harry to this war-torn world, and give the Doctor a mission: the evil of the Daleks is about to be born here, and the Doctor is to try to ensure they evolve into less lethally aggressive beings - or, failing that, to avert their creation altogether. But has even the Doctor the right to commit genocide?
Director: David Maloney
Writer: Terry Nation
8.8/10965 votes#12 - Genesis of the Daleks (2)
Season 12 Episode 12 - Aired 3/15/1975
The Doctor and Harry are taken to the Kaled bunker where Davros is preparing to demonstrate the Daleks, while Sarah Jane is captured by the Thals and taken to their city as a slave worker.
Director: David Maloney
Writer: Terry Nation
8.7/10949 votes#13 - Genesis of the Daleks (3)
Season 12 Episode 13 - Aired 3/22/1975
The Doctor and Harry head to the Kaled city to alert the authorities to Davros' plans while Sarah Jane and Sevrin are forced to work on the completion of the Thals' rocket.
Director: David Maloney
Writer: Terry Nation
8.9/10945 votes#14 - Genesis of the Daleks (4)
Season 12 Episode 14 - Aired 3/29/1975
The Doctor fails to prevent the Thals from destroying the Kaled city but they don't have long to enjoy their victory before the Daleks attack.
Director: David Maloney
Writer: Terry Nation
8.9/10965 votes#15 - Genesis of the Daleks (5)
Season 12 Episode 15 - Aired 4/5/1975
The Doctor is forced to give Davros full details of future Dalek victories but opposition to Davros' plans is growing among the Kaleds and soon there is open rebellion.
Director: David Maloney
Writer: Terry Nation
9.1/101,062 votes#16 - Genesis of the Daleks (6)
Season 12 Episode 16 - Aired 4/12/1975
Gharman tries to convince the Kaleds to vote against the Dalek project but Davros has a trick up his sleeve, while the Doctor works to destroy the tape recording of Dalek victory and the Thals plan an intervention of their own.
Director: David Maloney
Writer: Terry Nation
7.1/10700 votes#17 - Revenge of the Cybermen (1)
Season 12 Episode 17 - Aired 4/19/1975
The orbit of Jupiter, the 25th century. Arriving back on the Nerva Beacon much earlier in history, the Doctor and his friends discover the satellite beset by space plague while its crew struggles to keep space traffic away from Voga, the newest moon of Jupiter. But what is the connection between Voga, the plague, and some old enemies of the Doctor?
Director: Michael E. Briant
Writer: Gerry Davis
6.9/10626 votes#18 - Revenge of the Cybermen (2)
Season 12 Episode 18 - Aired 4/26/1975
The Doctor transmits Sarah Jane and Harry down to Voga to cure Sarah Jane of the Cybermat's poison but Kellman's sabotage means he is unable to bring them back.
Director: Michael E. Briant
Writer: Gerry Davis
6.9/10624 votes#19 - Revenge of the Cybermen (3)
Season 12 Episode 19 - Aired 5/3/1975
The Cybermen force the Doctor, Stevenson and Lester to carry bombs to the centre of Voga while Sarah Jane, Harry and Tyrum decide to contact Vorus.
Director: Michael E. Briant
Writer: Gerry Davis
7.0/10617 votes#20 - Revenge of the Cybermen (4)
Season 12 Episode 20 - Aired 5/10/1975
The Doctor, Harry and Lester try to destroy the Cybermen's relay device, while the Vogans prepare to destroy Nerva even though Sarah Jane is still on board.
Director: Michael E. Briant
Writer: Gerry Davis
The Best Episodes of Doctor Who Season 12
Every episode of Doctor Who Season 12 ranked from best to worst. Discover the Best Episodes of Doctor Who Season 12!
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....
Genres:DramaAction & AdventureSci-Fi & Fantasy
Season 12 Ratings Summary
"Robot (1)" is the best rated episode of "Doctor Who" season 12. It scored 7.6/10 based on 906 votes. Directed by Christopher Barry and written by Terrance Dicks, it aired on 12/28/1974. This episode is rated 0.3 points higher than the second-best, "Robot (2)".