The Hasselhoffs, Keith Lemon and Christine Bleakley go head to head with Chris this week as they show off their knowledge and try to secure a place in the grand final of TV's most unruly quiz and quip their way to the illustrious top spot on the series leader board. The show's regulars are back, Stephen Fry describes works of high culture in a language that 'celebrities might understand... street talk' and David Hasselhoff invites the guests to answer questions about the weird and wonderful world that is 'Hoff's World'.