flatulence

Yuck has a brilliant idea for a club and he's inviting all his friends! Who would have thought they could make so many types of farts?.

Bertie's family complains when he farts at the dentist's office, the museum, in the caf?, and in the playhouse, but he knows that they can be equally as stinky even though they try to hide their farts.

Walter the dog creates problems with his farts but becomes a hero when burglars enter the house.