After being assigned to buy groceries, Odie is cheated out of his money by an alley cat, who trades an old sock for Odie's grocery money. Jon is angry and demands that Odie get the money back.

After pulling several pranks on Orson, Roy fears that Orson will pull a revenge prank on him, despite Orson saying that he will not.

Jon takes Garfield to a dude ranch called "Polecat Flats", where Garfield learns about ranch life while wondering what a polecat is (a skunk).

Orson tells Booker and Sheldon the myth of Hercules. Roy tells him his brothers are coming to visit and then Orson falls asleep, wondering what being Hercules would be like.

Garfield is framed for destruction by the son of Jon's cousin.

A lady from a restaurant sends Jon a live lobster to cook. Jon, Garfield, and Odie eventually befriend it as a family member and name him Therm. When Therm gets sick, they must fly to Maine and let him back into the sea.

After Roy annoys the farm animals with a new joke book, aliens who lack a sense of humor visit the farm to destroy the Earth's comedy. Since laughter is a weapon to them, the group turns to Roy and his endless bad jokes to defeat the aliens.

After hearing Garfield's story on giant radioactive mutant guppies, Nermal gets too scared to sleep. As an apology, Garfield tries to prove to Nermal that the story is fake.

A mad scientist kidnaps Odie to use him as a model for his cloning machine that makes toy robots.

Wade injures his leg and thinks that Roy and Orson will perform surgery on it.

When Garfield, Jon and Odie want to watch a movie, "Kung Fu Creatures on the Rampage II" constantly appears. Their attempts to find another film to watch are constantly hindered by the seemingly-inescapable movie.

Everyone chooses to clean up the farm. When the others want to remove Orson's waller, Orson explains what it means to him.

Garfield and Odie use their imaginations to entertain themselves on a rainy day while Jon is on a date.

Set as a basketball game that mice attend, Jon, Odie, and Nermal attempt to pack a picnic lunch without Garfield devouring the food.

Orson tells Wade the story of how he invented Power Pig, while his brothers get an idea for stealing the harvest crops.

Jon, Odie, and Garfield invite Cactus Jake to reside at their home temporarily during a rodeo championship, which they find unpleasant.

Stinky Davis, a criminal, disguises himself as Binky the Clown to commit crimes around town. When the real Binky is mistaken for Stinky and arrested, he must stand trial and prove his innocence. Garfield, who is appalled that the show is doing an "evil twin" episode, gets involved to save Binky.

A massive harvest prompts the gang to stay in the farm's old barn, which Wade insists is haunted by the ghosts of the group's ancestors. Orson tries to dissuade him, while his brothers decide to dress up as ghosts to scare the animals off and steal the crops.

Garfield tries to win back public attention after he realizes that Odie gets more attention than he does.

While resting due to a terrible cold, Orson dreams that he and the gang are part of a galaxy crew called Swine Trek (a parody of Star Trek).

Garfield presents a TV show to a live audience called It Must Be True! where he claims everything stated on television is a true fact.

After a prank by Garfield, Herman Post gets fired by the post office chief for being a disgrace and afraid of a cat. To get Herman back his job, Garfield harasses the post office chief.