While carrying on their usual hi-jinks, they inadvertantly stow-away on a spaceship bound for Mars. They meet up with the local Martian residents and cause them to invade the Earth, aided by the "Invincitron", a vacuum-wielding giant robot. Tom, Jerry and their Martian ally, Peep, save the day.
Tom and Jerry Blast Off to Mars!
While carrying on their usual chases, Tom and Jerry inadvertently stow-away on a spaceship bound for Mars.