Sparkletown is in the grip of a DISGUSTING dance sensation! The Disco Boogeyman is using his slimy sweat and gross boogers to turn everyone into horrible dancing zombies. Fartboy's the only one with the power to stop the demented dance villain . . . but there's just one problem: Fartboy can't dance! And he is PETRIFIED of being found out. Can the stinky superhero get his groove on in time? Sparkletown's fate depends on it!