Broadcast: Saturday 9th August 2014
7:00pm-8:20pm BST (18:00 GMT) < > « »
(actually broadcast at 19:02:00)
BBC Three

Featuring: Peter Capaldi, John Hurt, Matt Smith, David Tennant, Jenna Coleman, Tom Baker, Joanna Page, Billie Piper, Jemma Redgrave

Something terrible is awakening in London's National Gallery, while in 1562 a murderous plot is afoot, and somewhere in space an ancient battle reaches its devastating conclusion. All of reality is at stake as the Doctor's past comes back to haunt him.
Synopsis Source: Radio Times