S2 E1 • Papa cool

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.

Première diffusion : 19 septembre 2003

S2 E2 • Les 9 de retroville

Retroville 9 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.

Première diffusion : 3 octobre 2003

S2 E3 • Les jeunes ronchons

Grumpy Young Men 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 Syrum

Première diffusion : 3 octobre 2003

S2 E4 • Cauchemar a Rétroville

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.

Première diffusion : 29 octobre 2003

S2 E5 • La chasse aux monstres

Monster Hunt 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.

Première diffusion : 11 novembre 2003

S2 E6 • Jimmy président

d 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.

Première diffusion : 11 novembre 2003

S2 E7 • Le Retour des Microrobots

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.

Première diffusion : 14 novembre 2003

S2 E8 • La rubis manie

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

Première diffusion : 8 décembre 2003

S2 E9 • De l'amour dans l'air

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

Première diffusion : 13 février 2004

S2 E10 • Sheen prend la grosse tête

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

Première diffusion : 8 mars 2004

S2 E11 • Maternotron a toujours raison

MaternoTron Knows Best 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

Première diffusion : 9 mars 2004

S2 E12 • Envoyer les clones

Send In The Clones 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

Première diffusion : 9 mars 2004

S2 E13 • Qui vole un œuf vole un œuf

The Great Egg Heist 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

Première diffusion : 10 mars 2004

S2 E14 • Querelle

The Feud 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).

Première diffusion : 10 mars 2004

S2 E15 • Le fond de l'ère effraie

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.

Première diffusion : 11 mars 2004

S2 E16 • Les feux de la rampe

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.

Première diffusion : 12 mars 2004

S2 E17 • Une partie de rodeo

Foul Bull 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-dimentional Super-controlling Electro-Magnet, Bullinator 8000

Première diffusion : 26 mars 2004

S2 E18 • Le concours des grosses tetes

Science Fair Affair 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

Première diffusion : 26 mars 2004

S2 E19 • Au boulot !

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 inprovements (including a tongue scanner and Customer Satisfaction).

Première diffusion : 2 juin 2004

S2 E20 • L'escalade

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.

Première diffusion : 7 juin 2004

S2 E21 • Le fils à papa

Billion Dollar Boy 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 mul

Première diffusion : 7 juin 2004