Mel and Lou are joined by Graham Norton, Desiree Burch and Alex Brooker - Graham reveals a lie to his mother that went too far, and Alex talks about trying to catch a girl in a trap.
Mel and Lou are joined by Jimmy Carr, Judi Love and Richard Bacon - Jimmy reveals an act of erotic vandalism, and Judi tells all about the demise of her pet goldfish.
Johnny Vegas overshares about his bathing habits, Josh Widdicombe reveals how he ruined the day for hundreds of Beckham fans, and Clare Balding admits to putting blame on her brother.
Tom Allen explains how he was responsible for someone ending up in a pond, Gemma Collins reveals the crime she committed to catch a cheating ex, and Darren Harriott relives his gang days.
Richard Ayoade admits why he never helps others, Ed Gamble tells a tale about a lads' holiday, and Sindhu Vee reveals how protective she can be of playground swings.
Jennifer Saunders shares a sinister childhood prank, Harry Redknapp discusses the problems jellied eels caused him, and Phil Wang reveals the time he left a surprise for some builders.
Sara Pascoe reveals how she got out of work experience, Chris Kamara tells how he burnt his parents' house down, and Jo Brand divulges how she was responsible for a guy being sent to prison.
How did Rob Rinder cause a scene in the courtroom, Sophie Duker live-tweet something she probably shouldn't have done, and David Baddiel make a child cry at a birthday party?
Sarah Millican discusses what ingredient should be added to cakes in Amsterdam, Chris McCausland apologises to a prank victim, and Jamali Maddix compares 'caught short' tactics with Mel.
Katherine Ryan spills the beans on her prom night, Bimini Bon Boulash expresses regret about vodkas, and Toussaint Douglass reveals why he doesn't accept chicken from strangers.
Bill Bailey meets multiple victims of his and his dog's bad behaviour, David Haye overshares about his training supplements, and Rosie Jones confesses to using her disability for evil.
Rob Beckett dishes about a date that went wrong, Scarlett Moffatt reveals what happens when she goes on a girls' holiday, and Paul Chowdhry reveals why gigging isn't always a laugh.
Sally Phillips reveals the best way to get back at a horrible boss, Alan Davies tells all about his court appearance, and we find out why you should never leave your kids with Ria Lina.
Radio DJ Sara Cox faces the consequences of her less-than-model behaviour, Keith Lemon overshares about puberty, and Nabil Abdulrashid is confronted by the many victims of his pranks.
Jack Dee tells all about an unintentional rock and roll night on tour, we find out how Lorraine Kelly talks to her bosses, and Munya Chawawa is confronted by a prank victim.
AJ Odudu reveals DJing secrets, Jessica Knappett explains why you shouldn't attend a funeral with her, and how far would Jason Manford go to avoid sharing a room with his brother?
Rhod Gilbert reveals why he shouldn't be trusted with a campervan, Susan Wokoma tells an X-rated story, and Dermot O'Leary lifts the lid on a rendezvous from his early TV days.
Joel Dommett lifts the lid on a shocking act with a kettle, Craig Revel Horwood reveals how he ruined a bride's big day, and Thanyia Moore bares all on getting revenge on a teacher.
Charlotte Church spills the beans on her wild child past, Sophie Willan dishes out some karma, and Lara Ricote reveals how she pulled off a cheese-based heist.
Mel and Lou hear Guz Khan explain why he 'went' in a VCR player, Roisin Conaty reveal how she tried to trick the police, and Gregg Wallace confess to a thieving past.
More anecdotes revealing the very bad sides of some very famous faces with Mel and Lou - they're joined this time by Kerry Godliman, Tom Lucy, and Lethal Bizzle.
Mel and Lou are joined by Jonathan Ross, Slim and Olga Koch as Jonathan spills the beans on a disastrous visit to a strip club and Olga tells of her catfishing past.
Mel Giedroyc and Lou Sanders are joined by Rylan Clark, Lucy Beaumont and Fatiha El-Ghorri as Rylan has a sticky run-in with a pigeon and Lucy reveals her knicker-nicking past.
Mel and Lou Sanders are joined by Joel Dommett, Omid Djalili and Lindsey Santoro as Joel confesses some dastardly behaviour and Omid reveals how he upset Gwyneth Paltrow.
Mel and Lou Sanders are joined by Nish Kumar, Ruby Wax and Reuben Kaye as Nish spills the beans on X-rated workplace behaviour and Ruby tells of a drug-smuggling past.
Mel and Lou are joined by Rafe Spall, Carol Vorderman and Dan Tiernan as Rafe lifts the lid on how he evacuated a swimming pool and Carol reveals how she ruined a wedding.
Mel and Lou are joined by Ross Kemp, Shirley Ballas and Rosie Jones as Shirley divulges her revenge on a cheating husband and Ross spills all on a prison-based prank.
Mel and Lou Sanders are joined by Daisy May Cooper, Ardal O'Hanlon and Emmanuel Sonubi as Emmanuel explains why his towels are sticky and Daisy gets Matchmaker creative.
Mel and Lou are joined by Alex Jones, Iain Stirling and Tim Renkow as Alex reveals how she got into trouble with the BBC and Iain spills the beans on being sacked.