Jimmy returns from an excavation on the Twonkus-3 comet with a small furry creature burrowed in his soil samples that have a rather violent reaction to music.
Jimmy and the boys use Jimmy's latest invention to travel into the future to discover that the entire town has fallen under the totalitarian rule of Libby.
Jimmy's dad loses his job at the now defunct automotive plant which means that the Neutrons may have to move to a new town. As a last-ditch effort to keep the family in Retroville, Hugh applies for a job as a toy inventor.
Jimmy is recruited by the most prestigious science college in the country to be their new superstar student. But when he gets there, Jimmy becomes the unwitting target of rival student, Seymour Nimmelfarb.
The Neutron family has gathered to celebrate Aunt Maybelline's birthday. When Jimmy's present explodes, everyone suspects him of fowl./On a trip to Planet Schmengy, a strange alien substance attaches itself to Carl's face.
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./To impress Betty Quinlin, Jimmy performs a magic show using a cheap magic kit that's full of his own technological upgrades.
Evil Jimmy, one of Jimmy's original clones, comes back from space and tries to clone the earth using Jimmys duplicating camera, which makes the original copy fade into oblivion.
Carl's pen pal, Elke Elkberg from Sweden is coming to Retroville to meet him, and Carl is in a panic.The boys travel to the Bahama Quadrangle to disprove the myth of the disappearances associated with the mysterious site.
Jimmy is framed for a break in at the Retroville Bank. When Carl and Sheen attempt to free him from his incarceration, the three boys end up on a chain gang together.
When Jimmy hides a time displacement device in the teachers' transportation to the annual education convention, the entire faculty of Lindberg Elementary is sent into temporary time limbo.
Goddard is disqualified from the Retroville Pet Show because he is not technically a real dog./SheenÂ's dad, Mr. Estevez desperately wants to impress his son. Mr. Estevez has to pretend he is a superhero in order to impress him.
Timmy Turner is magically sent to the secret lab of none other than Jimmy Neutron, the boy with the genius IQ. How will Timmy and Jimmy get back to each others own worlds?
