Amber O'Neill and Eddie Watts explain their backgrounds.
Jake Hamilton-Jones and Mancie O'Neill talk about their roles on the show.
An interview with Jemima Taptackle and Dr Strabismus, two of the experts on the show.
The Amazing Ian is a confident fellow.
Meet the friendly host of That Puppet Gameshow.
John Lloyd talks to BBC Breakfast about his various TV shows, starring with QI.
Steve Speirs plays Geography teacher Mr Barber, who is having a textbook nervous breakdown.
Philip Glenister talks about his 'grotesque' character.
Is French boring? Catherine Tate introduces her character.
David Walliams introduces the concept of Big School. This video includes some clips from the show.
