Jimmy Neutron rescues Agent X from the clutches of evil Professor Calamitous, and together they battle the Professor and his evil daughter, Beautiful Gorgeous. BTSO, Big Top Secret Organization, has summoned Jimmy to rescue Agent X from the clutches of the evil Professor Calamitous. When Jimmy catches up with him, he finds that the agent is none other than film star/real-life secret agent Jet Fusion. Jimmy and Jet join forces to fight the Professor...

Follows five characters based all over the world, connected only by their devotion to the late founder and tech titan Finley Hart. The characters are then forced to work together to shut down Hart's most secret invention, a machine that is either the solution to mankind's problems or the end of life on Earth.

Tim and Nick, best friends, neighbors and co-workers, are suddenly tripped up when one of Nick's harebrained, get-rich-quick schemes actually succeeds. VaPooRizer is a spray that literally makes dog poop, or any other kind of poop for that matter, evaporate into thin air. Tim, who had no faith in Nick's idea, passed on an opportunity to get in on the deal, can only watch as Nick's fortune -- and Tim's own envy -- grow to equally outrageous proportions....

Eight episodes of the television program trace Jimmy and his classmates' adventures with sunken treasure, local legends, time, brain switching, nightmares, and a failed inventor. Jimmy and Cindy have to team up for a school science project. For his history report, Nick tells about the Phantom of Retroland. Then Jimmy needs some chemicals in order to finish an experiment. When Jimmy is elected the new hall monitor, he vows to bring hall monitoring...