I've just seen Troll Hunter - a new feature film out this Friday about... well, about Troll hunting. It's the latest in a long line of fake documentaries that started with The Blair Witch Project - but what is it about this genre that continues to entertain us?
Mark's reviews on 5 live
Monsters
Paranormal Activity
Hear Mark Kermode review the week's new films every Friday from 2pm on BBC Radio 5 live. Kermode & Mayo's Film Review is also available as a free podcast to download and keep.
