Vavoom Motor Co. is trying to build a supersonic car, which Speed is testing. Agents from Forthebird Motor Co. sabotage the car, and blame Speed for the accident. They demand a new test driver, but Speed enters their driving tests, and proves again that he is the best driver. Agents from Forthebird Motors put a bomb on the finish line to destroy the car, but Spritle overhears them, and warns Speed.
Speed tenta quebrar o recorde de velocidade pilotando o carro supersônico. Porém, pessoas dentro da construtora Vum-vum queriam que a empresa quebrasse e sabotam o veículo. No fim, os vilões, Sr. Inferno e Sr. Cutucão, são presos e o recorde é batido por Speed.
あるレースに向けたコース視察の帰り、剛はセスナで生物学者のロバート博士と乗り合わせた。すると突然パイロットたちが銃を向け、博士を連れてパラシュートで飛び降り、残された剛は機体と共に墜落してしまう。
