Doctor Who · S04E04
The Sontaran Stratagem (1)
2008-04-26 · 47 min · 3.7 (72) · TMDB
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?