After Cow and Chicken tamper with the school photocopier, The Copy Fairy (the Red Guy) makes an evil version of Chicken through one of his copies. Evil Chicken soon runs rampant and it becomes up to Cow and Chicken to stop him and clear Chicken’s name.
Chicken wakes up one morning and finds an egg underneath him (placed there by the Red Guy). This leads to him dressing up as a girl, as well as going out on a date with Flem and Earl.
Dad cannot get along with his new neighbors, who happen to be clowns. Cow falls in love with the clown son when it is learned they go to the same school.
Cow has started taking up ballet, but due to her weight, she brings the house down (literally). Fortunately, she finds someone to help her find fame, in the form of homewrecker Mr. Slacksoff (the Red Guy).
While trying out the Pork Butt catapult, Chicken is accidentally swallowed by Cow. Mom and Dad take her to a doctor (the Red Guy), and they must get Chicken back out before he journeys through all four of Cow’s stomachs.
Chicken and Earl compete against Flem and the Red Guy in a figure skating contest. Unfortunately, when Earl is left injured, Chicken tries to find another way to win.
Grandmama takes Cow and Chicken over to a mall, where they attempt to find a Grampa. While this old-timer is blind as a bat, Chicken uses this to his advantage in order to spend time with best buddies, Flem and Earl.
Using a home-made rocket, Cow travels to a distant planet, where she meets up with the Red Guy, who claims to be an alien. She takes him back to Earth, where he claims that the solution to the world’s problems lies in puppets.
Mom and Dad are worried about their children when they say they’re not scared of the dark. So, they hire a scared Dr. Laxslax (the Red Guy) to solve the problem.
Chicken hosts a magic show in front of his friends and family. It soon becomes no laughing matter when he makes Cow’s udder disappear, which ends up on the Red Guy.
In an unsuccessful attempt to prove to Cow and Chicken that the Earth is flat, Dad brings in his brother, Professor Longhorn Steer, to teach them proper education.
As part of a school assignment, Cow and Chicken write essays on what jobs they want when they’re older. Since Cow’s essay won, she gets to live her dream as an astronaut, whereas the runner-up, Chicken, works at a supermarket
Cow and Chicken’s cousin, Snail Boy is coming to their school. He has proven to humiliate them in some ways, such as becoming a model for figure drawing.
Cow and Chicken are sent to join the Great Pantzini (the Red Guy’s) circus. He originally has Cow as a trapeze artist, and Chicken as a fire eater, but then settles to have them in as clowns.
