Tom is a lowly tab tech to a mad scientist who has invented a speed ray. Tom inadvertently chases Jerry into the path of the beam, giving him super speed guest stars Tom Kenny as the mad scientist. To catch a faster-than-ever mouse, Tom uses various speed enhancing devices—a scooter and a large tire among them—but to no avail. Eventually, Tom flies by on a chair attached to a hot-air balloon with the speed ray mounted on it. He zaps Jerry, rendering him to his original speed, but he drifts too near some flagpoles that pop the balloon and sends him spiraling out of control. The speed ray falls near Spike, who uses it as a shooting-gallery prop, blasting Tom repeatedly
