The Aqua Teens, Carl, the Plutonians, the Cybernetic Ghost, Dr. Weird, and the Mooninites are all after the exercise machine called the Insanenoflex. Carl goes on it and gets stuck, so the Aqua Teens try to stop it with music. The plan works, but the Aqua Teens realize that the world is still in danger, and then they set out to find more about themselves. Later on the Aqua Teens find out how they were created by Dr. Weird. Also they learn that there was a fourth Aqua Teen called Chicken Bittle. Finally they learn that their father turns out to be a watermelon whose accomplice is Neil Peart of the band Rush and that their mother is a 9-layer burrito.