The BBC have released a prequel clip to this year's Christmas special, entitled "The Doctor, the Widow and the Wardrobe," Matt Smith returns as the Doctor with guest stars Claire Skinner, Alexander Armstrong, Bill Bailey and Arabella Weir.
Evacuated to a house in Dorset from war-torn London, Madge Arwell and her two children, Lily and Cyril, are greeted by a madcap caretaker whose mysterious Christmas gift leads them into a magical wintry world...
'Doctor Who' "The Doctor, the Widow and the Wardrobe" airs on BBC One this Christmas.
Updated with a new trailer and clips from the Christmas special: