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.
Jeff Bennett
Corey Burton
Kathryn Fiore
Brad Garrett
Jess Harnell
Tom Kenny
Bill Kopp
Rob Paulsen
Frank Welker
Billy West