Mel Giedroyc: Unforgivable

Graham Norton reveals a lie to his mother that went too far leading to him having to have his appendix removed, Alex Brooker talks about 'trying to catch a girl' in a Home Alone inspired trap and Desiree Burch admits to cheating with a friend's boyfriend at high school.

Jimmy Carr reveals an act of erotic vandalism committed at school, Judi Love tells all about the horrific demise of her beloved pet goldfish and Richard Bacon tells a truly Unforgivable tale about rugby tackling a disabled boy.

Johnny Vegas overshares about what he used to get up to in the bath, Josh Widdicombe tells all about the time he ruined hundreds of Beckham fans day, and Clare Balding admits blaming her brother for a bowel movement in the bath 40 years ago.

Tom Allen tells all about the time he was responsible for an old lady ending up in a pond, Gemma Collins reveals the crime she committed to catch a ex cheating and Darren Harriott relives his short-lived gang days.

Richard Ayoade admits he doesn't help others... ever, Ed Gamble tells a tale about a lads holiday, and Sindhu Vee reveals how protective she can be of playground swings. We also hear about Richard's football antics, how Sindhu can't go to the cinema on her own, and Ed's eventful last day of school.

Jennifer Saunders spills the beans on a sinister childhood prank, Harry Redknapp tells all about the time his love of jellied eels got him in hot water and Phil Wang reveals the time he left a surprise for some builders.

Sara Pascoe reveals a truly terrible lie she told about having leukaemia to get out of work experience, Kammy tells how he burnt his parents' house down and Jo Brand divulges how she was responsible for putting a guy she hooked up with on holiday in prison.

David Baddiel spills the beans on an inside joke that went awry, Sophie Duker confesses to catfishing and Rob Rinder divulges the truly awful way he got revenge in a case of unrequited love.