Broadcast: Tuesday 18th August 2009
11:00pm-12:00am BST (22:00 GMT) < > « »
BBC HD

Featuring: John Barrowman, Eve Myles, Kai Owen, Peter Capaldi

Torchwood is defenceless and Gwen Cooper stands alone as the final sanction begins. As violence erupts and the world descends into anarchy, an ordinary council estate becomes a battleground where the future of the human race will be decided.