All 14 episodes from the first two series' of the award-winning BBC comedy from the creators of 'The League of Gentlemen'. In series one, a bizarre chain of events is triggered when an anonymous writer sends black-edged letters to five seemingly disparate characters containing the chilling message: 'I know what you did'. Series two sees Joy (Dawn French), Oscar (Steve Pemberton), Mr. Jelly (Reece Shearsmith), Robert (Jason Tompkins), David (Pemberton) and Maureen Sowerbutts (Shearsmith) back together in the aftermath of the Ravenhill Psychiatric Hospital explosion. One of their number has been killed, and new mysteries are set to emerge. Also included is the 2010 'Hallowe'en Special' of the show.