Episode Title:A Wurm in Our Midst.Episode Description:The Library's books have disappeared, and Tony Clementina, X Middle School's local heavy, is all too eager to take credit for it. Meanwhile, an empty bottle rocket made from a can of Carbee Cola leads Ingrid back to the biggest custard spill in X Middle School history, an incident that disturbingly points to Fillmore from back during his days as a delinquent.