Megan Cavanagh as Judy Neutron

Episodes 44

September 19, 2003

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.

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October 3, 2003

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.

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October 3, 2003

We don't have an overview translated in English. Help us expand our database by adding one.

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October 29, 2003

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.

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Monster Hunt

2x5
November 11, 2003

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.

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November 11, 2003

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November 14, 2003

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.

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December 8, 2003

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.

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February 13, 2004

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

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Sheen's Brain

2x10
March 8, 2004

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

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March 9, 2004

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

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March 9, 2004

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March 10, 2004

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

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The Feud

2x14
March 10, 2004

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March 11, 2004

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

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March 12, 2004

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

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Fowl Bull

2x17
March 26, 2004

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).

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March 26, 2004

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Men At Work

2x19
June 2, 2004

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.

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June 7, 2004

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.

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June 7, 2004

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

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November 27, 2004

The gang enters a script-writing competition, where the winning script will get turned into a movie! The director, Quentin Smithee, chooses Jimmy, Cindy, Libby, Sheen, and Carl (much to Hugh's disappointment) to star in Jimmy's movie, which will be shot entirely in Retroville. During the filming, however, dangerous on-set ""accidents"" start to happen, and the rest of the kids start to doubt starry-eyed Jimmy and inexperienced Smithee.

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The N Men

3x2
November 27, 2004

An encounter with the Van Patten radiation belt causes strange mutations in the kids: Jimmy glows orange, Cindy is super strong, Sheen is super fast, Libby can become invisible, and Carl has sonic burps. As the N Men, they work to fight evil in Retroville, but they end up doing more harm than good. The military soon steps in, capturing four of the kids, but only laughing at Jimmy's orange hue. When Jimmy discovers the dark side to his friends' new powers, he must race against time to find a cure - and deal with the effects of his power.

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May 23, 2005

Jimmy, Sheen, and Carl travel 15 years into the future, only to find that some things have gone wrong. Can they right the past to save their future?

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Fundemonium

3x4
May 24, 2005

After the car company Hugh works for decides they don't need his services anymore, the Neutrons are faced with the awful prospect of moving. To stay in Retroville, Hugh becomes a toy inventor, and the Nanobots return again to wreak more havoc....

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Stranded

3x5
May 26, 2005

A trip gone wrong ends up turning even worse when Jimmy and Cindy get into an argument that winds up getting them stranded together.

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May 27, 2005

Jimmy becomes frustrated at school when his scientific lecture is disregarded in favor of making macaroni sculptures. So, when Dean Cain, head of Pamona University, offers him a chance to enroll in that college to help them win a science grant, Jimmy eagerly accepts. He soon finds, however, that college is a completely different world from elementary school ... a much more challenging one. And when it comes to jealousy of Jimmy's knowledge, Cindy (left behind at Lindbergh Elementary) doesn't hold a candle to new classmate Seymour.

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June 20, 2005

A trip gone wrong ends up turning even worse when Jimmy and Cindy get into an argument that winds up getting them stranded together.

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June 20, 2005

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July 22, 2005

The Evil Beneath Jimmy, Carl and Sheen set out to discover the mystery behind the Bahama Quadrangle. They are captured by a mad scientist who wants to make them into slaves!

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November 18, 2005

Beautiful Gorgeous and Jet Fusion are getting married!

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January 23, 2006

Who's Your Mommy Carl gets infected by a ""face-hugging"" parasite.

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One of Us

3x12
January 24, 2006

A kung-fu warrior wants to be The Chosen One in the temple of Shangri-Llama, but Sheen holds that position, with his ability to put his leg behind his head. So, the warrior kidnaps Libby in order to fight with Sheen and claim the title of The Chosen One as his own.

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Vanishing Act

3x13
January 24, 2006

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January 25, 2006

Jimmy accidentally shrinks the town of Retroville. Can he get it back to normal size before they're crushed?

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The Evil Beneath

3x15
January 26, 2006

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January 26, 2006

One of Us Everyone in town is acting strangely, so it's up to Jimmy and Cindy to figure out why and reverse the effects.

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Who Framed Jimmy

3x17
January 27, 2006

Vanishing Act Jimmy tries to become a magician to impress Betty, but something goes horribly wrong, and he ends up transporting the group into alternate universes.

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Flippy

3x18
January 27, 2006

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November 17, 2006

How to Sink a Sub Jimmy sends the teachers away for a week, so the parents decide to step in.

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November 17, 2006

Lady Sings the News The kids become news anchors for a local television network.

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King of Mars

3x21
November 25, 2006

Eustace Strych is back, and he's still determined to humiliatingly defeat Jimmy. Now the race to find an energy source on Mars is on! Who will win?

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El Magnifico

3x22
November 25, 2006

Carl Wheezer, Boy Genius Carl asks Jimmy to help him pretend to be a genius, just for one day, in order to impress a girl. But Jimmy soon wishes he hadn't....

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Best in Show

3x23
November 25, 2006

Best in Show Jimmy enters Goddard in a dog show. Goddard easily wins, but he is soon disqualified for being robotic ... so the canine runs away to let Jimmy get a real dog.

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