Jon finds his old Accordion but Garfield doesn't like him playing it nor the very sound of it. Garfield tries to get rid of it, but in the end, the Accordion breaks and Jon gets bagpipes instead.
Jon wins a turkey in a competition, which he plans to cook for Liz. However, when it is delivered it is still alive. Garfield disguises himself as a turkey to get rid of the real one.
Odie becomes a monster-dog in the middle of the night and eats a lasagna that was for for Jon and Liz. Jon thinks that Garfield is responsible, and blames him.
Garfield and Odie get taken to another land through a magic mirror where Neferkitty (voiced by Susan Silo) and her Egyptian colony of cats live, planning their revenge on humans.
Garfield and Odie are mistakenly accused of stealing barbecued ribs (really stolen by neighborhood pets) when they run away from Jon's twin girl cousins.
When an Alien stops at a Super-Market in earth, Garfield mistakenly enters his Space Ship and travels through different planets but it becomes hard for him to survive. The space ship and the alien are very similar to Doc Brown and the Flying DeLorean Time Machine from Back to the Future.
Przygody jedynego na świecie kota, który z czystym sumieniem gotów jest dowieść, że lenistwo jest matką wynalazków. Dlatego jego życie wypełniają same niewymagające wysiłku przyjemności: oglądanie telewizji, pożeranie kolejnych porcji lasagne i spanie. Czy jest leniwy? Nie, nic podobnego! On po prostu prowadzi osiadły tryb życia, o czym widzowie mogą przekonać się sami.