"The Sontaran Stratagem" is the fourth episode of the fourth series of British science fiction television series Doctor Who. It was broadcast on BBC One on 26 April 2008. The episode features the return of former companion Martha Jones, as well as the return of the alien Sontarans to the series. It is the first of a two part story, followed by "The Poison Sky". This is the Sontarans' first appearance since the 1985 Colin Baker story The Two Docto...
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"The Sontaran Stratagem" is the fourth episode of the fourth series of British science fiction television series Doctor Who. It was broadcast on BBC One on 26 April 2008. The episode features the return of former companion Martha Jones, as well as the return of the alien Sontarans to the series. It is the first of a two part story, followed by "The Poison Sky". This is the Sontarans' first appearance since the 1985 Colin Baker story The Two Doctors.
Martha Jones (Freema Agyeman) calls the Doctor (David Tennant) to ask for assistance during an investigation by UNIT. Minutes after the TARDIS materialises in contemporary Britain, Martha authorises the raid of an ATMOS (Atmospheric Omission System) factory. The Doctor introduces his companion Donna Noble (Catherine Tate) to Martha and UNIT; Donna instantly befriends Martha, but is concerned about UNIT's ethics and asks the Doctor why he is associated with them; the Doctor ambiguously replies he used to work for them in the late twentieth...
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