On Thanksgiving, according to Garfield, people celebrate food by eating as much of it as possible. It's a tradition. But that tradition is history following a checkup from veterinarian Liz Wilson, a sassy lady who says Garfield must go on a diet.
Garfield, Odie and Jon go vacationing on a tropical island along with the High Rama Lama of rock and roll, a princess and her cat - and a rumbling volcano.
Garfield is taken on a camping trip by Jon, much against his will. A series of very funny disasters follow. But not all is well, as a panther has escaped from the local zoo and is stalking them. Will our hero survive to eat another lasagna and kick Odie off the table again?
Garfield and his owner, Jon Arbuckle, are in a rut. Life for them is a complete bore. They both need a life. Jon tries several unsuccessful times to get a date. Then he attends a class for the personality impaired where he meets a young woman and all seems to be great for Jon, but Garfield starts to feel neglected and left out.
