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16 February - 2 March 1985

Average Viewing Figure: 6.5M


The Second Doctor is taken to Spain so The Sontarans can unlock the secret of time travel


Colin Baker (The Doctor), Patrick Troughton (The Doctor), Nicola Bryant (Peri), Frazer Hines (Jamie McCrimmon), John Stratton (Shockeye)

Jacqueline Pearce (Chessene), Laurence Payne (Dastari), Aimee Delamain (Dona Arana), James Saxon (Oscar), Carmen Gomez (Anita)

Clinton Greyn (Stike), Tim Raynham (Varl), Nicholas Fawcett (Technician)

Uncredited Cast

Fernand Monast (Scientist), Jay McGarth (Dead Androgum), Peter Moffat, Jan Wright (Cafe Patrons), Mercedes Carnegie (Woman on Balcony)

Nejdet Salih, Michael Eriera (Waiters at Las Cadenas)


Robert Holmes (Writer), Ron Gainer (Theme Music), Peter Howell (Incidental Music), Dick Mills (Special Sound)

Gary Downie (Production Manager), Sue Anstruther (Production Associate), Patricia O'Leary (Production Assistant)

Ilsa Rowe (Assistant Floor Manager), John Walker (Film Cameraman), Colin March (Film Sound), Mike Robotham (Film Editor)

Steven Drewett (Visual Effects Designer), Dave Chapman (Video Effects), Jayne Beckett (Vision Mixer)

Alan Arbuthnott (Technical Co-ordinator), Alec Wheal (Camera Supervisor), Hugh Parson (Videotape Editor)

Don Babbage (Lighting Director), Keith Bowden (Studio Sound), Jan Wright (Costume Designer)

Catherine Davies (Make-Up Designer), Eric Saward (Script Editor), Sid Sutton (Title Sequence), Tony Burrough (Designer)

John Nathan-Turner (Producer), Peter Moffatt (Director)


Filming Locations

  • Dehera Boyar, nr Gerena, Spain

  • Calle Joaquin Romero Murube, Santa Cruz, Seville, Spain

  • Plaza de la Alianza, Santa Cruz, Seville, Spain

  • Plaza de Dona Elvira, Santa Cruz, Seville Spain

  • Calle Susona, Santa Cruz, Seville, Spain

  • Calle Vida, Santa Cruz, Seville, Spain

  • Calle del Agua, Santa Cruz, Seville, Spain

  • Calle Gloria, Santa Cruz, Seville, Spain

  • Calle Pimineta, Santa Cruz, Seville, Spain

  • Calle Justino del Neve, Santa Cruz, Seville, Spain

  • The Plaza Venerables, Santa Cruz, Seville, Spain

  • Hostal Monreal, Calle Rodrigo Caro, Santa Cruz, Seville, Spain

  • Plaza del Triunfo, Santa Cruz, Seville, Spain

  • Rio Guadiamr, nr Gerena, Spain

  • Rio Guadiamr [road with trees], nr Gerena, Spain

  • Television Centre: Studio 1

  • Television Centre: Studio 6


  • Shockeye [killed by cyanide used by The Doctor]

  • Chessene [killed when the time capsule explodes]

  • Dastari [shot and killed by Chessene] 

  • Dona Arana [killed by Shockeye]

  • Oscar [killed by Shockeye]

  • Varl [killed with coronic acid]

  • Stike [killed when his spaceship explodes]

  • Technician [killed by Chessene]

  • Scientist [killed by a Sontaran possibly Varl]

  • Dead Androgum [killed during Sontaran battle]

  • Androgums [killed during Sontaran battle]

  • Scientists [killed during Sontaran battle]

Production Days

  • 13 days between Thursday 9 August - Friday 28 September 1984

Production Errors

  1. There are certain moments when Clinton Greyn's lips move independently from his Sontaran mask.

  2. There are  some moments when Varl's mouth remains closed when he speaks.

  3. Peri's shoes change between the exterior fishing scenes and when she first enters the Tardis. 

  4. If Dona Arana is a recluse how does she have extensive knowledge of current Seville restaurants? 

Working Titles

  • The Androgum Inheritance

  • The Kraalon Inhertiance

  • Seventh Amendment

  • Creation


A strong story that has great pacing and plotting throughout but suffers from many plot points which do not quite fit together. The whole plot about the Sontarans wanting to unlock the secrets of time travel is fine, but why does Chessene turn The Doctor into an Androgum? Patrick Troughton excels, but why? The Sontarans are squeezed into the sidelines and are never used to their full potential unlike in previous appearances. The series best filming location work, due to the Spanish overseas shoot shines throughout and the sets finally have money spent on them. The acting is some of the most memorable, John Stratton as the psychedelic barbaric hoarse voiced chef, Tim Raynham, and Clinton Greyn as the Sontarans, the former being the better of the two and Colin Baker notably improving apart from another ill-fitted line after killing a villain with poison. The script has some decent attempts at dark humour but is equally full of excruciating clichés including the over eccentric Oscar and his love of theatre and nature, the background music does not help one bit. Let us not get started after he is stabbed with a knife whilst terrible extras look on. The script is strong but suffers from some terrible dialogue, an obviously impending double back-stabber narrative, cheap make-up effects, and a rushed ending which is so desperate to kill all of the villains as quickly as possible. An overall good quality narrative which would have worked better as six twenty-five-minute episodes. ****​

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