"Raise the Oozy Scab: Jimmy and Cindy have to team up for science project. They're going to search for the sunken treasure ship, the Oozy Scab, in a submarine Jimmy's built. And just like on land, when you put these two together, you're bound to encounters a sea of trouble!"The Phantom of Retroland: For his history report, Nick tells about the Phantom of Retroland, a monster who lives at the local amusement park. In the interest of science, Jimmy sets out to disprove this urban tale with a little help from Carl and Sheen.
"Hypno Birthday to You: Jimmy needs some chemicals to finish an experiment. Unfortunately, he's got no money and his birthday is three months away. Or is it? Jimmy uses his hypno-beam to trick his parents into thinking his birthday is tomorrow. But when every day's got a tomorrow, birthdays - and Jimmy - get old really fast!
"Hall Monster: When Jimmy is selected to the new hall monitor, he vows to bring hall monitoring into the 21st century, inventing a host of new gadgets for the job. Unfortunately, the only thing Jimmy's high-tech inventions do is ensure that his friends do whatever it takes to end his reign of hall terror!
"Trading Faces: It's another invention mishap for Jimmy. But this time, it's worse than ever – Jimmy and Cindy have switched brains!
"Journey to the Center of Carl: Jimmy creates a “get out of school” patch that makes kids sick when they wear it. But the patch dissolves into everyone's skin, making them sick forever unless Jimmy can develop a vaccine!
"I Dream of Jimmy: Carl is exhausted. He can't sleep because he's been having a recurring nightmare. So Jimmy develops the “Dream Injector 5000” and goes inside Carl's nightmare to investigate. And what he finds is, well, frightening.
"Broadcast Blue: Jimmy's starring in a school-sponsored cable-access show, “Science with Jimmy.” The show's rating are awful, so Principal Willoughby assigns Cindy and Libby to liven things up!
"Professor Calamitous, I Pressume: One of Miss Fowl's former students, Professor Finbarr Calamitous, was a brilliant boy “who could never finish anything, not even a sentence.” Now he's a mad scientist and he's returned to Retroville to take Jimmy hostage, forcing him to complete his unfinished inventions!"