Due to their ability to break McFist products, the boys become product testers at McFist Industries and inadvertently help Viceroy an indestructible ninja-seeking robot. Randy and Howard follow Theresa Fowler (voiced by Sarah Hyland) and the rest of their classmates to a cool new club downtown only to discover that the Sorceress (voiced by Jennifer Tilly) has returned to seek revenge on the Ninja.