When Buzz captures a fly to enter in The Amazing Pet Show, his parents and the judges tell him that a fly cannot be a pet, but Fly Guy proves them wrong.

Buzz has a nightmare that his best friend Fly Guy has created a gigantic Frankenfly monster.

When Fly Guy snacks from a radioactive trash can, he grows until he is fifty feet tall--and Buzz has to find out a way to counteract the effect before the army attacks his pet.

When Fly Guy is not allowed in the restaurant with Buzz's family he follows his nose and ends up in the soup.

Buzz is writing a fairy tale for homework, and Fly Guy naturally assumes the role of a handsome prince, who fends off a giant and rescues a beautiful princess.

It is Christmas Eve and Fly Guy realizes that he does not have a present to give to his best friend Buzz--but when he looks around the house searching for something suitable he discovers a stranger in a red suit, and decides to attack with some ninja moves.

While playing hide-and-seek with Buzz, Fly Guy is taken away by a garbage man.

While riding in the car with Buzz and his father, Fly Guy gets blown out of the window and finds himself riding in a truck, then a boat, a train, an airplane, and maybe even a rocket.

After accidentally swallowing her grandson's pet fly, Grandma tries to retrieve it by consuming progressively larger animals.

During a visit to a space museum, Fly Guy and Buzz learn all about planets, space crafts, space suits, and even dirty snowballs (i.e. comets)!