Li'l Elvis wants to break out. He's sick of playing the King's music and sick of the four o'clock show. He's sick of everything. So when obnoxious Janet Rig moves in to share his room, it's just the icing on the rhinestone-studded cake. But when Janet provides Li'l Elvis and Lionel with a beat, the didgibilli sound is born. Maybe she's not so bad after all. The Truckstoppers are formed just in time to save the town of Wannapoo from the clutches of billionaire Berkonium baron, WC Moore.