It's Garfield's birthday and Jon forgets. He later remembers, and makes 8 lasagnas but is one short. Meanwhile, an unusual type of Alien which looks like lasagna and can speak English with an Italian accent arrives on Earth. They plan to invade the Earth, but are quickly scared away by Garfield's ravenous appetite.

A Bluebird gets trapped in Garfield's neighbor's garage leaving her eggs abandoned, forcing Garfield to look after them. The eggs hatch, and call Garfield mother. This episode marks the first appearance of Garfield's rival Harry, who is determined to eat the chicks.

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

Garfield and Odie get their bodies swapped by a Saturnian alien when it finds out Odie is tormented by Garfield. Odie wanders off to all the people who hate Garfield without knowing they will hurt him so Garfield must protect his body from the neighborhood dogs, Herman Post and the Chef.

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.

Jon tests a cleaning robot.

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.

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".

Squeak and his family move in to Jon's house while Jon and Odie are out. Garfield allows Squeak's family to remain in the house on the condition that they be his servants. Jon comes back and Garfield has to remove Squeak and his family before Jon called Rat-Tator Pest, who's hefty bill would have meant that Jon would not be able to afford lasagna for years.

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.

Nermal lives with Garfield for 10 days because his owner is out of town. Nermal fakes a leg injury and Jon feels pity for Nermal, making Garfield and Odie do whatever he requests. Garfield and Odie get rid of him so they could enjoy their normal house and lives once again.

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

Jon and Liz put Garfield on a diet and force him to exercise when an electronic talking scale tells him that he's overweight.

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 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 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.

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.

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.

Liz introduces Jon to her parents. Liz's father is a grumpy man, while Liz's mother has a canary named Petey - who Garfield tries to eat.

Garfield goes to visit Jon's little brother Doc Boy. But with no TV and no pizza, Garfield shows the farm animals how to live life his way.

Garfield is rejected from The Pet Show because he's too fat to enter, so Odie takes his place and competes against Nermal for lasagna.

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.

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.

Jon wins the lottery, but is unable to find his ticket.

An alien from a planet with no gravity lands on earth to recharge his ship. While in Jon's house he cancels out gravity, causing household object to float around the house. This is Nimbus's second appearance, though he's been redesigned and has a higher pitched voice.

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.

The Aliens previously seen in "Pasta Wars" send an asteroid made of meatballs to destroy Earth, Garfield and Odie reluctantly travel in a spaceship to stop the Blasteroid.

Jon sneezes every time he is near Garfield, and his doctor explains that he must get rid of Garfield, however when Garfield does something nice for Jon, he uncovers a shocking secret: he is allergic to goldenrod.

Garfield has to lose ten pounds, but Jon discovers he has been snacking between meals. Liz gives him a robot that will follow Garfield everywhere he goes to endure he sticks to his diet, but Garfield tricks Jon

Squeak's cat-hating relative, Max, moves into Garfield's home and rallies the other mice to rebel against him. Meanwhile, Jon calls an exterminator to come rid his house of them. This is Max's first appearance.

Jon spends the day in a vacation house to come up with a comic book idea. The only trouble is, the house is haunted.

The twins, Dresilla and Minerva, come to visit, and end up like Hansel and Gretal in an evil witch's lair.

The scientist Dr Bonkers creates a cyber mail man to deliver the post but some taco sauce falls into the central computer, making the cyber mail man deliver the next days news paper. Jon sees this as an opportunity to make money, using tomorrow's lottery numbers also printed in the paper. This episode has a parody of The Twilight Zone.

Jon is in debt, and decides he must sell some of his possessions to pay the bill. When Garfield puts Odie on the stall for two cents, he is bought by the person Jon is being sued by, and it is up to Garfield to get him back.

Jon, Garfield, and Odie visit Doc Boy on the farm. While there, Dr. Whipple hypnotizes Garfield into doing farm work.

After Odie helps their friend, Nimbus the space alien, he gives him a forever doggie cookie. Odie licks Jon after eating it, and Jon starts acting like a dog. Then Jon licks Liz and the condition spreads.

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

Jon goes out on a date with Liz to Vito's Pizzaria and Garfield wants to go along, but Vito banned animals from entering the restaurant. So Garfield and Odie disguise themselves as Jon's "daughters" to get into Vito's, but Jon and Liz's date turns into disaster.

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.

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

Aunt Ivy's house is being rid of mice and she has to stay at Jon's home for a week. Then, Drusilla and Minerva show up, and Jon is so annoyed with them that he tries to get them to stay at Doc Boy's farm. But Doc Boy doesn't want to put up with them either. This is Aunt Esther, Lucretia, and Tabitha's first appearance.

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

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 tells a small yet untrue history about his own species, and the mice are upset because Garfield is making it seem as though cats actually did everything in history.

A miserable, black cat named Jonah passes by Garfield outside, and Garfield is given a curse and has bad luck all the time. Garfield must figure out how to lift the curse.

Garfield tells Odie a fairy tale about a prince.

The mayor passes a law requiring everyone to be kind to cats.

Jon adopts a kitten who is more trouble than he's worth.

After a meteorite lands, it turns Odie into a prehistoric dog.

A group of inhabitants who live underground turn everbody into procrastinators.

The network adds a laugh track to Garfield's show, much to his chagrin.

Jon pitches an idea for a TV show to a successful producer.

Garfield solves a mystery of who stole a rare comic book.

Nermal becomes a supervillain to get revenge on Garfield's Caped Avenger routine.

Jon sells Pooky as a new toy to Mr. Allwork.

Garfield, Odie, and Nermal have a fantasy while in the bathtub.

Garfield answers fan mail sent in asking about pets.

Garfield tries to open a can of food while Jon is away for a while.

Jon takes part in a competition for mimes.

While vacationing, Garfield encounters a couple of snowmen who come to life.

Jon, Garfield, and Odie go in search of their friend Lyman.

The first annual Golden Lasagna Awards Show on television! Oh, my! Nermal hasn't won that trophy yet, has he?

Garfield Cat wins Brandon Scoop's show Positively Perfect Pussycat Pageant! Er...no....that's a mistake says judge Mary Margaret Freen.

How could Garfield be possibly jealous of adorable Nermal? Nermal doesn't even have his own show!

Missing his mug by inches and pouring boiling hot coffee on his laps, ending up on all fours with a painting on his head, Jon is so clumsy!

Jon is so grateful to Garfield for keeping mice away from the house!

Jon in prison! Liz marries Eddie Gourmand! Garfield adopts Nermal! Well, Samuel W. Underburger certainly doesn't do comedy.

Doc Boy, Jon's brother, is working incredibly hard on his farm. Jon tries to help him find a companion.

Nathan tests a out device that can control people's minds.

Mrs. Cauldron's niece wants to marry Jon.

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.