The Hex Girls, 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.
Genres: Animation , Family , Mystery , Kids , Sci-Fi & Fantasy
Keywords: amused , awestruck , criminal-investigation , detective , friends , friendship , nostalgic , lighthearted