Broadcast: Tuesday 28th July 2009
10:00pm-11:00pm BST (21:00 GMT) < > « »
BBC HD

Featuring: John Barrowman, Gareth David-Lloyd, Eve Myles, Kai Owen, Peter Capaldi, Paul Copley

Torchwood are forced underground, as the government takes swift and brutal action. With members of the team being hunted down, only Lois holds the key to Torchwood's salvation - but she is helpless as her superiors make plans for the mysterious Floor 13.