When the zombies invade, it takes north London slacker Shaun (Simon Pegg) a while to notice, so wrapped up is he in his own world of the pub, on-off romance with Kate Ashfield's Liz, and the pub. But soon he's involved in a blend of deadpan humour and horror, ending in a John Carpenter-like siege - in the pub. Penelope Wilton and Bill Nighy add some feeling as Shaun's parents.

About a Dog (6.30pm, Radio 4), starring Alan Davies and Kate Ashfield, was written by Graeme Garden, based on notes left by Debbie Barham, the talented young comedy writer who died last year. Davies is the mutt Jack (I imagine he'd look like Dougal off The Magic Roundabout); Ashfield is his mistress, Sarah. Jack is as happy as a dog with two d***s until Sarah and her boyfriend decide to move in together.