Fantasy, Drama, Thriller | 25 December 2009

David Tennant, Bernard Cribbins, John Simm

Christmas Eve, and the Doctor is reunited with Wilf, to face the return of an old enemy. Something terrible stalks the wastelands of London, while far away, the Immortality Gate reaches completion. But the warnings of the Ood signify an even greater danger, as the Doctor faces his darkest hour yet.