S1·E13 Monster Con

The three-day magic convention called "The Convergence" has opened in town and June attends it. All monsters go there to hear her speak. But when an evil organization of bloodthirsty terrorists named H.A.M.(Humans from the Abolishment of Magic) breaks into the convention center and holds everybody there hostage for kidnapping, Ah-Mah is forced out of retirement to save the day.