Jon is framed for a series of robberies perpetuated by Ratzo. Garfield, Odie, and Squeak must get to the bottom of this mystery to prove that he is innocent.

One of the baby bluebirds from "Mother Garfield" return and Garfield saves him from Harry. But Nermal accidentally lets Harry have it and Garfield, Nermal, and Odie must save it.

After Eddie Gourmand gives a bad review about Vito's Pizzaria on TV, Jon, Garfield, and Odie go see him to find out why he's so cranky lately and help him reunite with his mother.

Nermal comes over for a visit and the space lasagna return once again and send a spy disguised as a cute kitten over to Garfield's home. The "kitten" is way cuter than Nermal, and Nermal gets jealous.

Garfield and Odie watch a movie about a villain named Silent Jack and mistakenly believe Jon, with recent tooth surgery, to be Silent Jack. In the end Garfield, Odie and Squeak find out they were attacking Jon, but the real Silent Jack robs them.

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.

Aliens from another planet plan to turn all the earth creatures into chickens. This is the first appearance of Vito's pizza boy.

Odie digs up some bones and finds that they are from the very rare Brachiosaurus. Garfield tries to sell them to the local museum, but the museum curator instead wants to compulsory purchase and demolish Jon's house to search for more dinosaur bones.

Nermal finds a cat called "Agent X" who claims to be a Secret Agent, but really a runaway cat. Garfield becomes jealous as Agent X tells everyone about his adventures, so Garfield tries to prove he is a house cat named "Fluffykins".

Odie gets taken to the dog pound as he's not wearing his license tag Collar. Garfield disguises himself as a dog to rescue Odie.

Odie falls in love with a shower brush. Garfield gets jealous as Odie is no longer paying attention to him and throws the brush in the recycling bin without Odie knowing it.

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.

Jon wins the lottery, but is unable to find his ticket, but when he finds it, it is revealed that it is not the winning ticket. This is Mr. Barker's first appearance.

Eddie Gourmand is the judge for the Cutest Cat Of The Year award and decides for the new cute to be the opposite of cute, and the prize is six months in Greenland, so Garfield decides to make Nermal a mess in order to get some peace and quiet.

A pair of bunny slippers comes to life, and everyone must join forces to defeat them. This is Aunt Ivy's first appearance.

After eating dogfood, Garfield is convinced he's turning into a dog.

Garfield gets an awful tasting Pizza from Mama Meany's Pizza Palace, Vito's rival. Mama Meany is putting Vito out of business through coupons, contests and discounts and plans to expand the restaurant to take over Vito's. Garfield arranges for Eddie Gourmand to compare Mama Meany pizza with Vito's, bringing the closure of Mama Meany, and resumed success of Vito.

After Garfield plays a mean trick on Nermal, a bowling ball falls on his head and loses his memory. Then, Nermal tricks Garfield into thinking he's a stray cat named Ichabod. Then Garfield meets a couple of stray cats named Tino and Gino. This is Tino and Gino's first appearance.

Garfield disguises himself as "Catzilla" for Halloween, but people mistake him for the real Catzilla, a deadly creature who escaped from the zoo.

Garfield searches for his teddy bear Pooky after he is stolen by a dog named Hercules.

Jon has difficulty sleeping, so a Hypnotist attempts to put Jon under hypnosis to make him fall asleep at the sound of a horn. However, Jon hears Odie's bark before the horn, making Odie the hypnosis trigger.

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.

Jon and Garfield fight so much against what to watch on TV that they decide to go on a TV show called Pet Matchers.

Garfield gets rich after a Leprechaun gives him some good luck.

Nathan returns and shrinks Garfield with his shrink ray, and Garfield must find a way to return to normal size.