Tập 47: Speed và Pops chiến đấu với Monster Car điều khiển bằng não điện tử của một nhà khoa học điên tại Scotland.

One stormy night in the Bonny Hills of Scotland, Dr. McFife, a mad scientist, has secretly developed a Monster Car that is controlled by an electronic brain. Dr. McFife sends it out to wreak havoc on the countryside. The Monster Car plows through everything in its way, smashing through a village, past a police car, destroying the Bonnie racetrack, and shaking up the city where the Racers, Sparky, and Trixie are staying at their hotel. Not wanting anything bad to happen to the Mach 5 during the incident, Speed dashes off to the parking lot to reach his vehicle. As he prepares to get the Mach 5 out of the parking lot, he witnesses the Monster Car destroy the place. Speed then goes off in pursuit, before being blown away by one of the gigantic vehicle's rocket thrusters, leaving him unconscious and the Mach 5 on its side. The Monster Car then destroys an entire tank battalion that had attempted to destroy it, to no avail. On the radio, the race has been called off. While out searching for Speed, Pops and Sparky find him and put the Mach 5 back on its wheels. The police then ask Pops for his help to defeat the Monster Car. The Police have arrested Dr. McFife but he refuses to help them, as the Monster Car destroys even more tanks. Speed and Pops come up with a plan to attack the Monster Car while it is in the water. Jets and submarines are unable to stop it, Speed finds a way inside the Monster Car. Speed uses a brain rattler to scramble the brain of the Monster Car and is able to destroy it. (Source: Wikipedia)

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