Episodes 11-13 from the fourth series of the BBC's relaunched version of the sci-fi classic, starring David Tennant as the legendary Time Lord.
11. Turn Left
As Donna's world collapses, she finds help from a mysterious blonde woman - but can Donna and Rose stop the approaching Darkness?
12. The Stolen Earth
Earth's greatest heroes assemble to fight the new Dalek Empire. But a fearsome old enemy waits in the shadows...
13. Journey's End
As Davros and the Daleks threaten the entire universe, the Doctor's companions join forces. But the prophecydeclares that one of them will die...