Location: Modern-day Earth Date: 2009 Enemies: Sontarans 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... (more) world to its knees?

Christian Cooke, Christopher Ryan, Dan Starkey, Eleanor Matsuura, Rupert Holliday-Evans, Ryan Sampson, Wesley Theobald