Wile E. Coyote is chasing the Road Runner, when suddenly, he and Road Runner are abducted by Marvin the Martian in his flying saucer. He puts them both in a cage and announces that he is going to run a DNA test on the two earthlings, so he can learn some helplful information about earthlings, that will help him later destroy them all. He collects a hair sample from both Road Runner and Wile E. Coyote. He scans the two hairs in a computer. Suprisingly, he collects enough information from the hairs, that will help him destroy the earth. Road Runner and Wile E. Coyote join forces and esape their cages and team up to defeat Marvin. They defeat him, and they drive the ship back to Earth.