In "The Exor-Sis", Homer gets a statue of Pazuzu from "The Exorcist". He puts the statue in Maggie's room, which gets Maggie possessed by a demon. The Simpson family are the hosts of a cocktail party. Maggie goes to the cocktail party and kills many people there. A priest comes to their house and does an exorcism on Maggie. The demon comes out of Maggie and tries to possess Bart, but does not want to because Bart has "the darkest soul".