The Red Guy is now Captain Butz Pirate, and wants to give Cow and Chicken pirate lessons. He takes them aboard his pirate ship in the middle of the duck pond, and teaches them how to say ""argh"", carve peglegs, hold worms for ransom, and sink Flem and Earl's boat. But after that incident, Cow, Chicken, and their flag/man Jolly Roger declare mutiny.

A group of female bikers break into Cow and Chicken's house, and start gnawing on their carpet. One of the bikers has a crush on Cow, and invites her to join the Buffalo Gals. It's up to Chicken to save his sister.

The neighboring county of Montzerellaville is in the middle of a Holy Cheese War. One of their own, Slappy McCracken, is part of the exchange student program. He and Cow fall head over heals for each other. Cow then decides to stop the cheese war by proving that cheese isn't used for weapons, it's used for food.

While driving in the snow, Mom and Dad find The Red Guy who says he's heading ""home""; so Mom and Dad take him home with him, and immediately think of him has their new favorite son. Cow and Chicken work together to try to prove The Red Guy's a fraud.

After Earl gets the new Sergeant Weenie Arms action figure, he, Flem and Chicken go to Dead Skull Cave to meet the soldier himself, and become full-fledge weenie marines. After they do so, they learn that weenie marines are sissies.

Dad isn't friendly terms with the new neighbors, who happen to be clowns. Cow falls in love with the clown son, who in return falls in love with Cow. They play hooky to spend the day together. Dad finds out, and Cow in grounded, while he kicks the clown son out, and chews clown dad out.

It's ""Bring Your Kids to Work Day"", so Dad does just that. Dad's job is guarding the government's money. When he has to appear at a sudden confernce, he leaves Cow and Chicken in his office. Red Guy, who is now a Canadian Mounty Police, finds them, and begins to stalk them, until they surrender.

Cow and Chicken visit their cousin, Snail Boy for Sunday Dinner. Later that night, Mom's Sis announces that Snail Boy has been transformed to Cow and Chicken's school. During his first day of school, Chicken becomes the laughing-stock when every finds out that Chicken is the cousin of a snail. Snail Boy then becomes the target of the eyes of the bullying track team.

Cow loves horses. While reading a book about a famous horse, Blackie, she discovers the famous horse in her front yard. Cow and Chicken then take the horse as their new friend. Cow and Chicken make sure that Blackie gets his way. Soon Mom and Dad tire living like animals and wearing horse shoes, and tell Cow and Chicken that Blackie has to go.