After being turned away from a horror movie for being underage one time too many, Bart takes matters into his own hands and sets up his own backyard movie theatre after Grampa unearths a collection of old-time horror classics. Then, after an accident at Frink Labs, Bart believes he has become invisible and sets up one of his biggest pranks ever. Also, Sergio Aragonés' regular feature 'Maggie's Crib.'