Mel Giedroyc: Unforgivable: Season 4, Episode 4

4 - 4: Rafe Spall, Dan Tiernan, Carol Vorderman

With Rafe Spall, Dan Tiernan and Carol Vorderman. Rafe reveals how he managed to evacuate both his bowels and a swimming pool, Carol spills the beans on her bad behaviour at a wedding, and Dan confesses to some criminal misdeeds.