This season, rival racer Cruise takes the lead with her new ultra-powerful Track Blasters, winning the keys to the Ultimate Garage for her villainous dad, Professor Rearview. But Coop and his friends aren't giving up. They fight back at every turn, and when the Professor challenges them to a final winner-takes-all race, the stakes are higher than ever. The campers must embrace their challenger spirit to win the Ultimate Garage and stop Professor Rearview and his monsters for good!