Matthew Sweet talks to director Terry Gilliam about his new film The Imaginarium of Dr Parnassus, a modern-day fanstasy adventure starring Johnny Depp, Christopher Plummer and the late Heath Ledger. Sarah Kent reviews the work of the nominees for the 2009 Turner Prize, which is on show at Tate Britain. Authors Louise Welch and Kevin Jackson, with playwright Mark Ravenhill, discuss which art form scares audiences best, with the release of new books, films, plays and a TV series that all have the aim of terrifying. And critic Lindsay Johns gives his thoughts on 'friendliness' as Night Waves prepares for 2009's Free Thinking festival of arts and ideas.