Ep. 47: Speed and Pops battle a mad scientist's electronic brain-controlled Monster Car in Scotland.
During a storm in Scotland, Dr. McFife unleashes a Monster Car controlled by an electronic brain. The vehicle devastates a village, police, and the Bonnie racetrack before reaching the city where Speed, Sparky, and Trixie are staying. Speed rushes to retrieve the Mach 5 but is knocked unconscious by a rocket thruster, leaving the car overturned. The Monster Car destroys a tank battalion and forces the cancellation of the race. Pops and Sparky locate Speed and right the Mach 5. Police request assistance after arresting Dr. McFife, who refuses to help. Speed and Pops devise a plan to attack the car in the water. After jets and submarines fail, Speed infiltrates the vehicle and uses a brain rattler to scramble its electronic brain, successfully destroying the threat.
Episodes
- Ep. 43 · Speed becomes Princess Pedal's bodyguard in Hong Kong after witnessing two murders
- Ep. 44 · Speed faces a laser tank test by gangsters who stole secret weapon plans in Hawaii.
- Ep. 45 · Speed enters a demolition derby to persuade former racer Gadge Zoomer to quit car wrestling.
- Ep. 46 · Speed assists Skyhigh in protecting uraniumtane shipments from motorcycle Apaches in the American West.
- Ep. 47 · Speed and Pops battle a mad scientist's electronic brain-controlled Monster Car in Scotland.
- Ep. 48 · Baron von Vondervon hosts a race for 17-year-old girls to find his missing daughter Ivonna.
- Ep. 49 · Speed uses balloons on the Mach 5 to escape a deserted WWII island
- Ep. 50 · Speed Racer and the Car Acrobatic Team face a dangerous grudge race orchestrated by international criminals.
- Ep. 51 · A billionaire sponsors a global race for gold and his daughter's hand in marriage.