Jimmy comes up with a snack that is even tastier than everyone's favorite.

The mad Professor Finbarr Calamitous schemes to make Jimmy his "scientific slave."

Jimmy invents the Quantum Replay 9000 which enables him to go back in time. Hugh accidentally sends Jimmy, Carl, and Sheen back 200 million years.

Jimmy, Sheen, Carl and Captain Betty set out on a mission to capture the lake monster that has haunted Lake Retroville for at least six months.

Sheen is one math test away from being left back, so Jimmy turns his Brain Drain helmet into a Brain Gain helmet and uses it on his buddy, instantly quadrupling Sheen's IQ.

Carl, Sheen, and Jimmy take jobs at a local burger joint. Jimmy transforms it to a fully automated restaurant that aims to please the customers and destroy the competition.

When the entire population of Retroville is accidentally hit by Jimmy's shrink ray, the Space Bandits abduct everyone with the nefarious plan of marketing and selling them throughout the galaxy as living dolls.

A new TV show turns everyone in Retroville into mindless and exceedingly cheerful zombies.

The evil Jimmy clone is back, and he's reconfigured the cloning device to make an evil clone of the Earth with an alarming side effect – the real Earth is starting to disappear.