The Hex Girls (consists of Thorne, Dusk, and Luna), Velma's favorite band, come to Crystal Cove and plan to give the gang a concert. But things go awry when The Phantom, an evil specter, suddenly appears with the intention of permanently taking The Hex Girls out of the music business.
Quest roles:
Maurice LaMarche(Vincent Van Ghoul (voice)), Gary Cole(Mayor Fred Jones Sr. (voice)), Patrick Warburton(Sheriff Bronson Stone (voice)), Jennifer Hale(Thorn (voice)), Kimberly Brooks(Luna (voice)), Quinton Flynn(Rude Boy (voice)), Jane Wiedlin(Dusk (voice)), Fred Tatasciore(Gluten Demon (voice))