In an effort to get Kevin into the Halloween spirit, Allan convinces Kevin to perform a ritual to bring back his pet Alligator, Pinky from the dead. Charlie convinces Mom and Dad go to a Swingers' masquerade party to help spice up their sex life. Percy revives his Drunken Welfare Man identity and ""swings"" into action, saving the immoral people of the world from the demonic alligator.