A Graske has stolen a key to the TARDIS. He's had it copied and scattered the copied keys around the universe. The Eleventh Doctor's mission is it to track down all keys before his enemies use them to steal the TARDIS.
A Graske has stolen a key to the TARDIS. He's had it copied and scattered the copied keys around the universe. The Eleventh Doctor's mission is it to track down all keys before his enemies use them to steal the TARDIS.
