After being sold an invisibility potion by the Red Guy, Cow really believes she is invisible, despite not drinking it. She goes on to cause trouble, in which she, somehow, gets away with.
Cow and Chicken find a time machine, and decide to travel in time. Things go wrong when the Red Guy shows up in an attempt to change the course of history for the worse.
Chicken, Flem and Earl are on their first day of junior high school, where in P.E, they play dodgeball. While they are in the showers, their clothes are stolen.
Cow and Chicken are feeling down, and visit their next door neighbor, who happens to be a famous blues musician. Through song, he tells them a wild tale.
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 still has a security blanket (which happens to be Supercow’s cape), but Chicken objects to her still carrying around such an item at her age, which leads to it being thrown out on the way to school. While Cow is depressed, the principal (the Red Guy) decides to torment Flem and Earl.
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.
