Introduction - Episode nine: The Empty Child

In episode nine of Doctor Who - The Empty Child, on BBC ONE on Saturday 21 May - The Doctor and Rose travel back in time to 1941 in part one of an action-packed adventure written by Steven Moffat.

London, 1941, at the height of the Blitz. A mysterious cylinder is being guarded by the army, while homeless children, living on the bombsites, are being terrorised by an unearthly child.

But when Rose meets the dashing Captain Jack Harkness, has she found a hero better than the Doctor himself?

The Doctor is Christopher Eccleston, Billie Piper is Rose, John Barrowman is Captain Jack Harkness and Richard Wilson plays Doctor Constantine.