Doctor Who (2005) (2005)
S4E4 The Sontaran Stratagem (1)
Episode Overview
With the support of the Rattigan Academy, the Sontarans set up a secret stronghold within the enigmatic ATMOS Factory. Will the Doctor be able to thwart the Sontarans' plans to unleash a devastating threat that could plunge the world into chaos?
HD
S4