This week the host chats to stand-up comedian Jack Dee about his current UK tour, and finds out how Dynamo - real name Steven Frayne - became one of the nation's most popular magicians. Actress Emma Watson (Hermione Granger in the Harry Potter films to you, hopefully sans trousers) discusses her new romantic drama The Perks of Being a Wallflower, and Gwen Stefani rejoins her No Doubt bandmates for a live performance.