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TARDIS Index File

Season 12

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RealWorld
Season 12
20 episodes comprising 5 stories
starting with Robot
Doctor Who diamond logo
Doctor: Fourth Doctor
Companion(s): Sarah, Harry
Key crew
Producer(s): Philip Hinchcliffe
Barry Letts
Script editor(s): Robert Holmes
Series details
Start date: 28 December 1974
End date: 10 May 1975
Premiere network: BBC1
Typical episode length: 25'
More info
DWMSE: 8, 15
Key reference books about the season: The Discontinuity Guide, The Fourth Doctor Handbook, The Seventies, About Time 4
Key documentaries about the season: Behind the Sofa: Robert Holmes and Doctor Who
Relevant Myth Makers interviews: Ian Marter, Tom Baker, Barry Letts and Terrance Dicks (part 2), Elisabeth Sladen
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The twelfth season of Doctor Who ran between 28 December 1974 and 10 May 1975. It was the first season of the series to feature Tom Baker as the Fourth Doctor. It was also the last Doctor Who season to have a December/January start until the Peter Davison era.

Overview Edit

Season 12 consisted of five serials and twenty episodes and was the shortest season to date. The season was shortened by a decision by the BBC to move Terror of the Zygons, originally intended as the finale, to the start of Season 13 to allow the next season to begin earlier and let Doctor Who better compete against the soon-to-debut Space: 1999.

All the stories in this season were interconnected, several forming a loose story arc relating to Space Station Nerva. The Cybermen returned to the series for the first time since The Invasion. Genesis of the Daleks, a story which introduced Davros and showed the creation of the Daleks, is one of the most famous of all Doctor Who serials.

Television stories Edit

# Title Writer Episodes Notes
1 RobotTerrance Dicks4First appearance of Harry Sullivan; final regular appearance of Bessie. First story to feature videotaped exteriors.
2 The Ark in SpaceRobert Holmes4First appearance of Nerva Beacon.
3 The Sontaran ExperimentBob Baker
Dave Martin
2 Shortest 1970s story; first two-part story since The Rescue in 1965.
4 Genesis of the DaleksTerry Nation6First appearance of Davros.
5 Revenge of the CybermenGerry Davis4First full appearance of the Cybermen since 1968. Final appearance of the Nerva Beacon.

Cast Edit

Recurring Edit

Guest Edit

Notes Edit

  • Though they only appeared in one story during Season 12, the Brigadier and Benton had appeared more prominently in previous stories.

Stories set during this season Edit

Adaptations and merchandising Edit

Home media Edit

VHS Edit

  • Robot (1992)
  • The Ark in Space (1989) (edited movie format)
  • The Ark in Space (1994)
  • The Sontaran Experiment/Genesis of the Daleks (1991)
  • Genesis of the Daleks (2001)
  • Revenge of the Cybermen (1983/1984) (edited movie format)
  • Revenge of the Cybermen (1999)
  • The Tom Baker Years (1992) (extracts from each of the stories)

DVD Edit

The stories were released on DVD individually in between 2002 and 2010.

Serial name Number and duration
of episodes
R2 release date R4 release date R1 release date
Robot 4 × 25 min. 4 June 2007 4 July 2007 14 August 2007
The Ark in Space 4 × 25 min. 8 April 2002 3 June 2002 6 August 2002
The Ark in Space - Special Edition 4 × 25 min. 18 February 2013 20 February 2013 12 March 2013
The Sontaran Experiment
Available individually or in the Bred for War box set in Regions 2 and 4.
Only available individually in Region 1.
2 × 25 min. 9 October 2006 7 December 2006 6 March 2007
Genesis of the Daleks
Available individually or in The Complete Davros Collection box set in Regions 2 and 4.
Only available individually in Region 1.
6 × 25 min. 10 April 2006 4 May 2006 6 June 2006
Revenge of the Cybermen
Only available as part of the Cybermen box set in Regions 2 and 4.
Only available individually in Region 1.
4 × 25 min. 9 August 2010 7 October 2010 2 November 2010

Novels Edit

Scriptbooks Edit

  • In 2004, BBC Books published a hardcover, annotated collection of all the scripts from Season 12.

External links Edit

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