It's the ANNUAL SOAPBOX DERBY RACE and the GIRLS are itching to win it, but after seeing the other competitors, they worry their car isn't fast enough to compete. Enter mysterious former soapbox derby champion Dr. Gibbon Q. Monkeywrench, and his experimental "hasty" drive. This sounds too good to be true…AND IT IS! Townsville is using centrifugal force. Can the GIRLS stop him in time?