The host looks back over his favourite surprises and pranks from the last four series of his Big Show. Ed Balls, Alexander Armstrong and Carol Vorderman talk about what it was like to hand over their phone in Celebrity Send to All, while Gino D'Acampo relives what it was like waking up and finding Michael in his bedroom on Midnight Gameshow. Closing the show will be unexpected star Anush Hydros, who is now starring on the West End stage.