Part 4

Graham Norton heads towards the climax of the biggest chat show ever, as he attempts to break the world record for 'most questions asked on a TV chat show', all in aid of Comic Relief. He's joined by an amazing line up of co-hosts and guests including Martin Freeman, Sir Terry Wogan, Sarah Millican, Jimmy Carr, Ronnie Corbett, Nick Grimshaw, Lee Mack, Keith Lemon, Paloma Faith, Heston Blumenthal, Elle Macpherson, Frank Skinner, Example, Louis Smith and Paddy McGuinness. Greg James hosts the backstage party.