Garfield, the fat, lazy, lasagna lover, has everything a cat could want. But when Jon, in an effort to impress the Liz - the vet and an old high-school crush - adopts a dog named Odie and brings him home, Garfield gets the one thing he doesn't want. Competition.

Nothing in the world can make Garfield get involved in anything besides eating, until the muscular super cat Garzooka comes crashing into Cartoon World from the Comic Book universe with terrifying news. Garfield summons up the willpower to join his superhero Garzooka in a fight to save their worlds.

Garfield's 29-year winning streak in the annual Fun Fest talent competition is threatened by a dashing new entrant, Ramone, who possesses great charm. Concerned about losing his touch, Garfield goes on a quest to seek Freddy Frog's mythical pond, where it is said that anyone who drinks from it is certain to be funny.