As Garfield journeys through the "real world," he encounters various challenges and adventures. He must navigate busy city streets, dodge aggressive dogs, and outsmart scheming mice. Along the way, Garfield meets new friends who help him in his quest to return to the comic strip world.
However, as Garfield gets closer to his goal, he starts to question whether he truly wants to go back to his old life. He enjoys the freedom and excitement of the real world, where he can eat whatever he wants and do whatever he pleases without the constraints of the comic strip.
As the deadline to return home approaches, Garfield must make a choice between staying in the real world or returning to his familiar but predictable existence as a comic strip character. Ultimately, Garfield learns valuable lessons about appreciating what he has and cherishing the relationships in his life. The movie ends on a heartwarming note as Garfield decides where he truly belongs.