Doctor Who Season 4 Episode 4
The Sontaran Stratagem (1)
Aided by the Rattigan Academy, the Sontarans establish a covert base at the mysterious ATMOS Factory. Can the Doctor stop the Sontarans from unleashing a potent terror that will bring the world to its knees?
Guest Stars
Freema Agyeman
Martha Jones
Christopher Ryan
Commander Stark
Ryan Sampson
Luke Rattigan
Christian Cooke
Ross Jenkins
Dan Starkey
Commander Skorr