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Season 2
Bored by a class documentary on mummies, Jimmy decides to take Carl, Sheen, Libby, and Cindy along with him to see the real deal. But when his Electro-Life gizmo accidentally brings the
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Bored by a class documentary on mummies, Jimmy decides to take Carl, Sheen, Libby, and Cindy along with him to see the real deal. But when his Electro-Life gizmo accidentally brings the mummies to life, Jimmy's got to keep himself and his friends from becoming the latest addition to Queen Hazabataslapya's Tomb. Invention: the Electro-Life.
Jimmy's determination to captain a winning baseball team leads him to rev up the equipment with Neutronic technology. When the team unexpectedly reaches the World Championship, Jimmy has
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Jimmy's determination to captain a winning baseball team leads him to rev up the equipment with Neutronic technology. When the team unexpectedly reaches the World Championship, Jimmy has a crisis of conscience. Inventions: Hydraulic-force amplifying bat, Sphere-seeking gloves.
Jimmy, Carl, and Sheen use Jimmy's Metabolic Accelerator so they can be old enough to buy a violent video game. The machine works a little too well, and the boys end up as senior citizens. Inventions: Metabolic Accelerator, Experimental Truth Serum
Jimmy, Carl, and Sheen use Jimmy's Metabolic Accelerator so they can be old enough to buy a violent video game. The machine works a little too well, and the boys end up as senior citizens. Inventions: Metabolic Accelerator, Experimental Truth Serum
Jimmy thinks it's cool when he's recruited by a top-secret government agency to become a spy, but what's even more thrilling is joining forces with his action-hero movie idol Jet Fusion
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Jimmy thinks it's cool when he's recruited by a top-secret government agency to become a spy, but what's even more thrilling is joining forces with his action-hero movie idol Jet Fusion in an effort to save the world from a villainous professor. Inventions: Jimmy Bot, Neutronic Air Gum, Neutronic Localator.
Jimmy's Neutronic Monster-Maker transforms Sheen into a werewolf, Carl into a vampire, and Hugh into Frankenstein's monster. However, Jimmy's invention works too well, making those three
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Jimmy's Neutronic Monster-Maker transforms Sheen into a werewolf, Carl into a vampire, and Hugh into Frankenstein's monster. However, Jimmy's invention works too well, making those three real monsters! The little genius's Halloween is complicated when Carl and Sheen bite Cindy and Libby - now there are five monsters chasing him! Invention: Neutronic Monster-Maker.
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. Inventions: Sonar Scanner, Demutation Pellet.
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. Inventions: Sonar Scanner, Demutation Pellet.
Jimmy runs for class president against Libby, Sheen and foreign exchange student Bolbi, and Carl ends up being forced by each of them to vote for them.
Jimmy runs for class president against Libby, Sheen and foreign exchange student Bolbi, and Carl ends up being forced by each of them to vote for them.
Jimmy tries to update those mischievous Nanobots to correct his non-scientific homework, but the Nanobots become obsessed with pleasing "The Great Creator" and start correcting everything. Invention: Correcto-Tech.
Jimmy tries to update those mischievous Nanobots to correct his non-scientific homework, but the Nanobots become obsessed with pleasing "The Great Creator" and start correcting everything. Invention: Correcto-Tech.
Jimmy is convinced that Santa Claus does not exist. To prove his theory once and for all, Jimmy travels to the North Pole with Carl and Sheen. The boys find Santa's workshop, but Jimmy
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Jimmy is convinced that Santa Claus does not exist. To prove his theory once and for all, Jimmy travels to the North Pole with Carl and Sheen. The boys find Santa's workshop, but Jimmy thinks it's just another toy factory. In fact, nothing they see convinces Jimmy otherwise. When his homing device accidentally emits a blast of energy to the source of the signal, Santa's atoms get scrambled. With Santa temporarily out of action, who can deliver the presents? Jimmy must now put his doubts aside, load up the hypercube, and try to save Christmas before the people of Retroville make up a new holiday. Inventions: Reindeer Scenario 8.20-B, Jingle Bell-Powered Sonic Propultion Unit, Laser-Guided Navigational Beacon (Goddard's red nose), Warp Module
Jimmy shows off his latest invention – a love pheromone – to Carl and Sheen. Anyone exposed to it will fall in love with the first person he or she sees. Jimmy thinks his potion is
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Jimmy shows off his latest invention – a love pheromone – to Carl and Sheen. Anyone exposed to it will fall in love with the first person he or she sees. Jimmy thinks his potion is stored safely in the containment chamber, but Carl accidentally opens it – and love is literally in the air, exposing them all! And Cindy Vortex is the first girl Jimmy sees! Will Jimmy be able to reverse the effects of his latest invention, or will love conquer all? Inventions: Phermone Number 976/J
Jimmy tries to stop Sheen from getting left back in school by turing his Brain Drain Helmet into a Brain Gain Helmet. However, his plan backfires when Sheen's I.Q. – as well as his head
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Jimmy tries to stop Sheen from getting left back in school by turing his Brain Drain Helmet into a Brain Gain Helmet. However, his plan backfires when Sheen's I.Q. – as well as his head – inflates to a destructive degree. Invention: Brain Gain Helmet
Jimmy creates a robot to replace his vacationing mother, but when it becomes too controlling, will Judy come to the rescue in time? Inventions: Hydraulic Cuckoo Clock, Materno-Tron, Maternal Chip
Jimmy creates a robot to replace his vacationing mother, but when it becomes too controlling, will Judy come to the rescue in time? Inventions: Hydraulic Cuckoo Clock, Materno-Tron, Maternal Chip
When Jimmy's chores get in the way of him enjoying rare ice crystals from outer space, he hurriedly creates clones of himself. These clones, however, represent different parts of Jimmy's
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When Jimmy's chores get in the way of him enjoying rare ice crystals from outer space, he hurriedly creates clones of himself. These clones, however, represent different parts of Jimmy's personality. What will happen when the clones are let loose in Retroville? Inventions: The six clones from Jimmy's Telepods - Positive Jimmy, Negative Jimmy, Romantic Jimmy, Funny Jimmy, Macho Jimmy, and Evil Jimmy
Jimmy helps Princess Guan Qi "Peggy" Tsu by retrieving the Egg-Drop Jade from the Retroville Museum before it is stolen by her evil brother. Invention: Null Generator
Jimmy helps Princess Guan Qi "Peggy" Tsu by retrieving the Egg-Drop Jade from the Retroville Museum before it is stolen by her evil brother. Invention: Null Generator
Jimmy and Carl's dads are fighting and forbid their sons from speaking to one another, so Jimmy and Carl must find a way to end the feud and save their friendship. Inventions:
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Jimmy and Carl's dads are fighting and forbid their sons from speaking to one another, so Jimmy and Carl must find a way to end the feud and save their friendship. Inventions: Holographic Star Toad (game), flashlight-like laser, Chloro-Plastic Crabgrass (Perpetual Motion Gyro-Top and Non-Sucking Hydraulic Loopy Straw).
Jimmy tries to impress Betty Quinlan by auditioning for the lead role in the school play, a musical entitled MacBeth in Space. Though he loses the part to Nick, he jumps at the chance of
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Jimmy tries to impress Betty Quinlan by auditioning for the lead role in the school play, a musical entitled MacBeth in Space. Though he loses the part to Nick, he jumps at the chance of doing the special effects. However, when Nick breaks his leg skateboarding, will Jimmy rise to the challenge, or let the play go up in smoke? Inventions: Neutronic Storminator, Hovershoes, laser spear, robo space-walker.
Jimmy, Sheen and Carl travel to the Moon to help Jimmy's robotic brother Brobot rescue his parents from The Junkman, an evil space scoundrel.
Jimmy, Sheen and Carl travel to the Moon to help Jimmy's robotic brother Brobot rescue his parents from The Junkman, an evil space scoundrel.
During a class trip to a rodeo, Jimmy, Carl and Sheen fall for a cute cowgirl, Sally. To prove themselves worthy of Sally's heart, each of the boys set out to master a specific rodeo
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During a class trip to a rodeo, Jimmy, Carl and Sheen fall for a cute cowgirl, Sally. To prove themselves worthy of Sally's heart, each of the boys set out to master a specific rodeo talent. Sheen turns himself into a rodeo clown, and Carl wrestles a pig, but it's Jimmy who comes out the victor with his impressive bull riding – and fool proof robotic bull, of course. Once the bull malfunctions however, the boys need the help of a real cowboy to save the day. That cowboy, or cowgirl, turns out to be none other than Miss Fowl. Invention: Hyper-dimensional Super-controlling Electro-Magnet, Bullinator 8000
Cindy leads a campaign to ban Jimmy from the school's science fair, citing unfair competition. But even an ousted Jimmy steals the spotlight when his patented oil-generating machine
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Cindy leads a campaign to ban Jimmy from the school's science fair, citing unfair competition. But even an ousted Jimmy steals the spotlight when his patented oil-generating machine earns him a Nobel Prize for Science – then malfunctions and places everyone at the science fair in grave danger. Invention: The I Can't Believe It's Not Oil 8000
To raise money for his inventions, Jimmy decides that he, Sheen, and Carl should get jobs. Skeet, employee of the month at McSpanky's, hires Sheen and Carl, but doesn't think Jimmy's the
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To raise money for his inventions, Jimmy decides that he, Sheen, and Carl should get jobs. Skeet, employee of the month at McSpanky's, hires Sheen and Carl, but doesn't think Jimmy's the "McSpanky type," though he agrees to try Jimmy out. Jimmy, however, is not pleased with the brainless (and humiliating) work he has to do, so he takes it upon himself to show everyone what he's capable of - by bringing McSpanky's into the 21st century. Inventions: Hover Hats, Bee-Be-Gone, McSpanky's improvements (including a tongue scanner and Customer Satisfaction).
The Mighty Wheezers When his parents go to the desert for a camp-out, Jimmy spends the weekend with the Wheezers. The aches, pains, and insane precautions the Wheezers take to protect
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The Mighty Wheezers When his parents go to the desert for a camp-out, Jimmy spends the weekend with the Wheezers. The aches, pains, and insane precautions the Wheezers take to protect their health, however, soon get to Jimmy. Thus, the boy genius sneaks back to his lab and creates health boost pills for the Wheezers. The pills work a little too well, though, and the Wheezers end up with almost super-human abilities! But the effects are only temporary, and they could wear off at any time.... Invention: total health-boost pills.
After Jimmy beats the richest kid in Retroville, Eustace Strych, in the Battlekite Flyoffs, Eustace's pride is wounded. He sets up a trap for Jimmy by inviting Jimmy, Sheen, Carl, Cindy,
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After Jimmy beats the richest kid in Retroville, Eustace Strych, in the Battlekite Flyoffs, Eustace's pride is wounded. He sets up a trap for Jimmy by inviting Jimmy, Sheen, Carl, Cindy, Libby, Hugh, and - most importantly - Goddard over to his mansion. There, Hugh befriends Eustace's dad while the kids enjoy an ice cream banquet. Things turn dangerous, however, when Eustace engages Jimmy in a bet - Goddard against one of Eustace's RA units.
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