Get ready to rock 'n' roll with Scooby-Doo! The Mystery Inc. gang is heading to a concert by their favourite rock band, the Electric Pickle. Everyone's super-psyched until trouble goes down. The band's lead singer, Steve Stringbean, vanishes in a puff of smoke and is replaced by—ZOINKS!—a Rock 'n' Roll Zombie! Can Velma, Shaggy, Scooby, Daphne and Fred get to the bottom of this rockin' mystery before the gig is up?