Landing on Earth, now a barren, desolate planet, Sarah, Harry and the Doctor are unaware of the large, watching robot. The robot is the work of Styre, a Sontaran warrior, who uses all humans landing here for his experimental programmes. What has happenned to the other space explorers who have come heree? Why is the Sontaran scout so interested in Earth and brutall torturing humans, including Sarah Jane? Will the Doctor be able to prevent an invasion and certain disaster, and save both Earth and his companions?

Video

The Sontaran Experiment by Bob Baker and Dave Martin Earth 10,000 years hence and life has been extinguished - or has it? The Doctor, Sarah Jane and Harry find themselves in the Picadilly Circus of the future where the mysterious alien in the rocks rules. Then the Doctor Bumps into an old enemy ... and finds himself part of a lethal experiment.... This two part adventure was originally transmitted 22 February - 1 March 1975. The Genesis of the Daleks by Terry Nation Back on the dreaded Skaro again, the Doctor's on a mission from the Timelords themselves ... simple enough ... all he has to do is destroy the Daleks before they evolve and face their evil creator ... This six part adventure heralding the first appearance of Davros was originally transmitted 8th March - 12th April 1975.   Produced by Phillip Hinchcliffe Directed by Rodney Bennett Cover Illustration: Andrew Skilleter

The Sontaran Experiment

Fourth Doctor, Sarah and Harry

Writers: Bob Baker and Dave Martin

Serial 4B (2 Episodes)
Season: 12
Original Screening: 22 Ferbuary 1975 to 1 March 1975
Writers: Bob Baker and Dave Martin
Director: Rodney Bennett
Producer: Phillip Hinchcliffe
Script Editor: Robert Holmes

Cast:
Template (The Doctor),
 

Also by Bob Baker
Also by Dave Martin
Also by Ian Marter