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Doctor Who

Doctor Who Season 12

About Doctor Who Season 12 (1974-1975)

Joining the Doctor and Sarah on their travels is new companion, Harry Sullivan. Harry is a medical officer working for U.N.I.T. who was called in to check on the newly regenerated Doctor.

The TARDIS takes the Doctor, Sarah, and Harry to the far future, arriving at the Ark space station, where they discover mankind in hibernation. At a different points in time, they also encounter the Cybermen and the Sontarans.

Media

Stories

Episodes

Robot

Saturday
28th December 1974
5:35PM
BBC 1 (24 mins)

Doctor Who - Robot - Part One

UNIT are called in when top secret plans and valuable equipment is stolen from high security establishments.

Saturday
4th January 1975
5:30PM
BBC 1 (24 mins)

Doctor Who - Robot - Part Two

Using the deadly disintegrator weapon, the robot steals the destructor codes.

Saturday
11th January 1975
5:30PM
BBC 1 (24 mins)

Doctor Who - Robot - Part Three

Sealed inside an underground bunker, Miss Winters issues her demands to the world's leaders.

Saturday
18th January 1975
5:30PM
BBC 1 (24 mins)

Doctor Who - Robot - Part Four

The robot, distraught over killing its creator, takes Sarah hostage and goes on a rampage.

The Ark in Space

Saturday
25th January 1975
5:35PM
BBC 1 (24 mins)

Doctor Who - The Ark in Space - Part One

The survivors of mankind are in cryogenic suspension aboard the Nerva Beacon space station.

Saturday
1st February 1975
5:30PM
BBC 1 (24 mins)

Doctor Who - The Ark in Space - Part Two

The survivors of the human race start to awaken. But Perhaps not all of them are entirely human.

Saturday
8th February 1975
5:30PM
BBC 1 (24 mins)

Doctor Who - The Ark in Space - Part Three

Humankind faces total destruction. Can the Doctor defeat the Wirrn?

Saturday
15th February 1975
5:30PM
BBC 1 (24 mins)

Doctor Who - The Ark in Space - Part Four

Trapped by the Wirrn, The Doctor and his friends are forced into one last terrible gamble.

The Sontaran Experiment

Saturday
22nd February 1975
5:30PM
BBC 1 (24 mins)

Doctor Who - The Sontaran Experiment - Part One

Arriving on Earth, the Doctor, Harry and Sarah meet a group of stranded human colonists.

Saturday
1st March 1975
5:30PM
BBC 1 (25 mins)

Doctor Who - The Sontaran Experiment - Part Two

Sarah has been captured by Styre who is conducting experiments on the captured humans.

Genesis of the Daleks

Saturday
8th March 1975
5:30PM
BBC 1 (22 mins)

Doctor Who - Genesis of the Daleks - Part One

The Time Lords send the Doctor to Skaro at a point in time shortly before the creation of the Daleks.

Saturday
15th March 1975
5:30PM
BBC 1 (24 mins)

Doctor Who - Genesis of the Daleks - Part Two

The Doctor finds that some of Davros’s fellow Kaleds are unhappy with the development of the Daleks.

Saturday
22nd March 1975
5:30PM
BBC 1 (22 mins)

Doctor Who - Genesis of the Daleks - Part Three

The Doctor informs the Kaled government of Davros's experiments and they move to shut down the bunker.

Saturday
29th March 1975
5:30PM
BBC 1 (23 mins)

Doctor Who - Genesis of the Daleks - Part Four

When the Kaled dome is destroyed by the Thals' rocket, the war appears to be over.

Saturday
5th April 1975
5:30PM
BBC 1 (23 mins)

Doctor Who - Genesis of the Daleks - Part Five

Davros interrogates the Doctor, forcing him to reveal the future of the Daleks.

Saturday
12th April 1975
5:30PM
BBC 1 (23 mins)

Doctor Who - Genesis of the Daleks - Part Six

The Kaled scientific elite move to prevent the development of the Daleks.

Revenge of the Cybermen

Saturday
19th April 1975
5:35PM
BBC 1 (24 mins)

Doctor Who - Revenge of the Cybermen - Part One

The Doctor, Sarah and Harry return to the Nerva Beacon space station, but at an earlier point in time.

Saturday
26th April 1975
5:30PM
BBC 1 (24 mins)

Doctor Who - Revenge of the Cybermen - Part Two

Sarah is the latest victim of the space plague and the only way to cure her is by transmatting her to Voga.

Saturday
3rd May 1975
5:30PM
BBC 1 (24 mins)

Doctor Who - Revenge of the Cybermen - Part Three

The Doctor and two of the Nerva crew become walking bombs which the Cybermen plan to detonate.

Saturday
10th May 1975
5:35PM
BBC 1 (23 mins)

Doctor Who - Revenge of the Cybermen - Part Four

Their plan to blow up Voga thwarted, the Cybermen intend to crash Nerva into the planet.

Credits

Robot

Credits
  • Writer Terrance Dicks
  • Director Christopher Barry
  • Producer Barry Letts
  • Script Editor Robert Holmes
  • Doctor Who Tom Baker
  • Sarah Jane Smith Elisabeth Sladen
  • Harry Sullivan Ian Marter
  • Brigadier Lethbridge-Stewart Nicholas Courtney
  • Sergeant Benton John Levene
  • Miss Winters Patricia Maynard
  • Robot Michael Kilgarriff
  • Professor Kettlewell Edward Burnham
  • Jellicoe Alec Linstead
  • Short Timothy Craven

The Ark in Space

Credits
  • Writer Robert Holmes
  • Director Rodney Bennett
  • Producer Philip Hinchcliffe
  • Script Editor Robert Holmes
  • Doctor Who Tom Baker
  • Sarah Jane Smith Elisabeth Sladen
  • Harry Sullivan Ian Marter
  • Voices Gladys Spencer
  • Voices Peter Tuddenham
  • Vira Wendy Williams
  • Noah Kenton Moore
  • Libri Christopher Masters
  • Rogin Richardson Morgan
  • Lycett John Gregg
  • High Minister's Voice Gladys Spencer
  • Wirrn Operator Stuart Fell
  • Wirrn Operator Nick Hobbs

The Sontaran Experiment

Credits
  • Writer Bob Baker
  • Writer Dave Martin
  • Director Rodney Bennett
  • Producer Philip Hinchcliffe
  • Script Editor Robert Holmes
  • Doctor Who Tom Baker
  • Sarah Jane Smith Elisabeth Sladen
  • Harry Sullivan Ian Marter
  • Vural Donald Douglas
  • Krans Glyn Jones
  • Erak Peter Walshe
  • Styre Kevin Lindsay
  • Roth Peter Rutherford
  • Zake Terry Walsh
  • Prisoner Brian Ellis

Genesis of the Daleks

Credits
  • Writer Terry Nation
  • Director David Maloney
  • Producer Philip Hinchcliffe
  • Script Editor Robert Holmes
  • Doctor Who Tom Baker
  • Sarah Jane Smith Elisabeth Sladen
  • Harry Sullivan Ian Marter
  • Davros Michael Wisher
  • Nyder Peter Miles
  • Gharman Dennis Chinnery
  • Ravon Guy Siner
  • Time Lord John Franklyn-Robbins
  • Kaled Leader Richard Reeves
  • Dalek Operator John Scott Martin
  • Sevrin Stephen Yardley
  • Ronson James Garbutt
  • Tane Drew Wood
  • Gerrill Jeremy Chandler
  • Thal Soldier Pat Gorman
  • Kavell Tom Georgeson
  • Mogran Ivor Roberts
  • Thal Politician Michael Lynch
  • Thal Soldier Hilary Minster
  • Thal Guard Max Faulkner
  • Dalek Operator Cy Town
  • Dalek Operator Keith Ashley
  • Dalek Voice Roy Skelton
  • Bettan Harriet Philpin
  • Kaled Guard Peter Mantle
  • Kravos Andrew Johns
  • Thal Soldier John Gleeson

Revenge of the Cybermen

Credits
  • Writer Gerry Davis
  • Director Michael E Briant
  • Producer Philip Hinchcliffe
  • Script Editor Robert Holmes
  • Doctor Who Tom Baker
  • Sarah Jane Smith Elisabeth Sladen
  • Harry Sullivan Ian Marter
  • Kellman Jeremy Wilkin
  • Commander Stevenson Ronald Leigh-Hunt
  • Lester William Marlowe
  • Warner Alec Wallis
  • Vorus David Collings
  • Magrik Michael Wisher
  • Cyberleader Christopher Robbie
  • Tyrum Kevin Stoney
  • Sheprah Brian Grellis
  • First Cyberman Melville Jones