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.
Cow and Chicken unwittingly create perpetual energy through spilling a junior chemistry set. This leads Rear Admiral Floyd (the Red Guy) to a get-rich scheme.
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.