The Adventures of Jimmy Neutron: Boy Genius

Nickelodeon (ended 2006)




Watch The Adventures of Jimmy Neutron: Boy Genius Online

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  • Full Episodes (49)
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  • All (50)
  • Season 3 (18)
  • Season 2 (17)
  • Season 1 (15)
  • Specials (0)
  • League of Villains

    Full Episode

    S 3 : Ep 19 - 6/18/05

    King Goobot has gathered together a collection of Jimmy's previous adversaries, including Professor Finbarr Calamitous, Beautiful Gorgeous, Jimmy's evil-genius baby cousin Eddie, the Junkman, Eustace Strytch, Grandma Taters and the Space Bandits (Zix, Travoltron, and Tee). The mission of this League of Villains? Get Jimmy Neutron. Inventions: The Essence of N-Men, The Gravitational Wormhole Generator, "Negative Ions".moreless
  • How to Sink a Sub / Lady Sings the News

    Full Episode

    S 3 : Ep 18 - 11/17/06

    How to Sink a Sub
    Jimmy sends the teachers away for a week into hyperspace, so the parents decide to step in. But every parent has their own way to teach with embarrassing and disgusting results!
    Inventions: Hyper-chip, Rebellion (test tube with concentration of hormones to make kids challenge authorities).
    Lady Sings the News
    After a prank with the local TV news, Jimmy, Sheen, Carl, Cindy and Libby are chosen to lead as news anchors for a local television network for kids. But Libby's gossip section soon reveals the most precious secrets of everyone, and uses them as blackmail! Can the other kids put a stop to her before it's too late?moreless
  • My Big Fat Spy Wedding

    Full Episode

    S 3 : Ep 17 - 7/22/05

    Jimmy's new mission from the BTSO is to follow Beautiful Gorgeous. He takes the job and he discovers that she and Jet Fusion are getting married!
  • El Magnifico / Best In Show

    Full Episode

    S 3 : Ep 16 - 11/25/06

    El Magnifico Mr. Estevez is worried that Sheen may love UltraLord more than him. In order to impress his son, he begs Jimmy to build him a super hero suit. Watch out, here comes, El Magnifico! Inventions: El Magnifico's super hero suit.

    Best in Show Jimmy enters Goddard in a pet contest, and because he is not a real dog, he gets disqualified. Feeling humiliated, Goddard runs away from home.moreless
  • King of Mars

    Full Episode

    S 3 : Ep 15 - 11/25/06

    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?
  • Who Framed Jimmy / Flippy

    Full Episode

    S 3 : Ep 14 - 1/27/06

    Who Framed Jimmy?: Jimmy is framed for a break in at the Retroville Bank. When Carl and Sheen attempt to free him from his incarceration, the three boys end up on a chain gang together. In order to get to town and prove Jimmy’s innocence, the boys must race through the backwoods of Retroville chained to each other with the warden Bueford Lee Stormshuckle in hot pursuit. Flippy: Hugh Neutron is taking up ventriloquism again, and he’s making plans to show off his new skills, and his new puppet Flippy at Lindbergh Elementary’s career day. Jimmy is convinced that his father’s poor puppet show will only lead to total embarrassment, so he implants a chip into Flippy that will draw comedy directly from Hugh’s brain. When Hugh finally performs for everyone, his puppet acts like it has a mind of its own. But Jimmy soon learns that this was no act - Flippy has actually come to life, and he’s absorbing every ounce of Hugh’s brain power.moreless
  • The Trouble with Clones

    Full Episode

    S 3 : Ep 12 - 1/25/06

    The evil Jimmy clone is back, and he’s reconfigured the cloning device to make an evil clone of the Earth with alarming side effect – the real Earth is starting to disappear. Jimmy must search through the Evil Retroville and find his clone to reverse the effects before the real Earth disappears altogether. Inventions: De-evilizer, Flux-Field Duplicator, Multi-dimensional Lousier Trigger, Carbo-Magnetmoreless
  • One of Us / Vanishing Act

    Full Episode

    S 3 : Ep 11 - 1/24/06

    One of Us: A new TV show turns everyone in Retroville into mindless and exceedingly cheerful zombies. Jimmy and Cindy race through town to find the source of the broadcast and turn everyone back to normal. Vanishing Act: To impress Betty Quinlan, Jimmy performs a magic show using a cheap magic kit that’s full of his own technological upgrades. But during the disappearing act, the kit malfunctions, and Jimmy, Betty, Carl, Sheen and Cindy are all sucked into an alternate dimension. Inventions: Spamdini's magic kit with some neutronic modificacions.moreless
  • The N Men

    Full Episode

    S 3 : Ep 10 - 11/27/04

    Upon encountering the Van Patten rays, Jimmy, Carl, Sheen, Cindy, and Libby have all obtained superheroes' abilities. Sheen can run really fast, Cindy has super strength, Libby can become invisible, and Carl can burp real loud. But only Jimmy's hair has become green, and the others laugh at him because he has no superpowers. Together, the group becomes the N Men, but they kick Jimmy out because he has no powers. Soon, Jimmy finds out that the military is out for them, and Jimmy needs to find a cure to get rid of the superpowers, but he can't find any, and he becomes aggravated, mutating into a freakishly large boulder guy who is out to defeat the others. Will he?

  • Incredible Shrinking Town

    Full Episode

    S 3 : Ep 9 - 1/23/06

    When the entire population of Retroville is accidentally hit by Jimmy’s shrink ray, the Space Bandits abduct everyone with the nefarious plan of marketing and selling them throughout the galaxy as living dolls. Inventions: Mini-transmitors (a.k.a. High frequency microphones with ultrasonic sound transmitors and contact battery sound system)moreless
  • Crouching Jimmy, Hidden Sheen

    Full Episode

    S 3 : Ep 8 - 11/18/05

    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.moreless
  • Jimmy Goes to College

    Full Episode

    S 3 : Ep 7 - 5/27/05

    Jimmy becomes frustrated at school when his scientific lecture is disregarded in favor of making macaroni sculptures. So, when Dean Cain, head of Pomona School of Advanced Physics (a.k.a. Pomona SAP), 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. When Seymour tries to get Jimmy expelled, he fails and ends up getting expelled himself.moreless
  • Stranded

    Full Episode

    S 3 : Ep 6 - 5/26/05

    Jimmy and Cindy get into an argument, and to prove each other who's right and who's wrong, they set up a trip taking Sheen, Carl and Libby along with them. The trip turns to go wrong when Jimmy and Cindy fall from the Hover Car and they both get stranded on a deserted island.moreless
  • Clash of the Cousins / Who's Your Mommy

    Full Episode

    S 3 : Ep 5 - 6/20/05

    Clash of the Cousins: Jimmy and his parents go to the Neutrons little family reunion. All their relatives look like Hugh! Apparently, someone is trying to destroy the family... But who? Who's Your Mommy: Carl gets infected by a "face-hugging" parasite, and becomes pregnant with an alien baby.moreless
  • Lights! Camera! Danger!

    Full Episode

    S 3 : Ep 4 - 11/27/04

    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.moreless
  • Fundemonium

    Full Episode

    S 3 : Ep 3 - 5/24/05

    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.... Hugh's toy inventions that were improved by Jimmy: Baby Quakers (baby doll's body with a wooden duck's head), plane with a wooden duck's head, pogo jumper with a wooden duck's head, Malibu Death Machine (war tank with a baby doll's head and lubricated with duck grease)moreless
  • The Tomorrow Boys

    Full Episode

    S 3 : Ep 2 - 5/23/05

    Jimmy, Sheen, and Carl use Jimmy's Chronoarch to look 15 years into the future. Anxious to see more of their successful future selves, they travel to the future, only to find that something has gone terribly wrong. Now, with the help of their future selves, they must escape the future evil dictator and return to the present. Invention: Chronoarch.moreless
  • Win, Lose And Kaboom (a.k.a. You Bet Your Life Form)

    Full Episode

    S 3 : Ep 1 - 7/9/04

    A strange meteor lands in Retroville, bearing a mysterious message in an alien language. When Jimmy is finally able to translate and answer the riddle, he, Cindy, Libby, Sheen, Carl, Bolbi, and Goddard are sucked into space - only to find that the message is an invitation to Intergalactic Showdown! Team Earth must learn to work together to win - or lose their home planet! Invention: Wormhole Generatormoreless
  • Attack of the Twonkies (1)

    Full Episode

    S 2 : Ep 19 - 11/11/04

    After a close call with a hostile alien life form on the comet Twonkus-3, Jimmy returns home only to find that a cute and cuddly alien has stowed away on his ship. Despite Jimmy's warnings about the dangers of keeping alien pets, the twonkies become huge hits, and soon everyone owns one. But when the twonkies undergo an unexpected mutation, they threaten to take over Retroville! Invention: Remote-powered mini comet.moreless
  • The Mighty Wheezers / Billion Dollar Boy

    Full Episode

    S 2 : Ep 18 - 6/7/04

    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 caplets.

    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 units. And if Eustace's bot wins, Jimmy will lose Goddard.moreless

  • Men At Work

    Full Episode

    S 2 : Ep 17 - 6/2/04

    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).moreless
  • Foul Bull / The Science Fair Affair

    Full Episode

    S 2 : Ep 15 - 3/26/04

    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

    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 8000moreless

  • The Junkman Cometh

    Full Episode

    S 2 : Ep 14 - 3/12/04

    Jimmy, Sheen and Carl travel to the Moon to rescue Jimmy's robotic brother Brobot from the "Moonie Men." When they discover there are no "Moonie Men", the boys just assume Brobot is crying wolf when he says his parents have been captured by the "Junkman."moreless
  • Out, Darn Spotlight

    Full Episode

    S 2 : Ep 13 - 3/11/04

    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.moreless
  • The Great Egg Heist / The Feud

    Full Episode

    S 2 : Ep 12 - 3/10/04

    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

    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).moreless

  • MaternoTron Knows Best / Send in the Clones

    Full Episode

    S 2 : Ep 11 - 3/9/04

    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 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 Jimmymoreless
  • Sheen's Brain

    Full Episode

    S 2 : Ep 10 - 3/8/04

    After a failed history exam, Jimmy decides to help Sheen from getting left back in school by turning his invention, the 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 Helmetmoreless
  • Love Potion #976/J (a.k.a. Love Potion 9.368)

    Full Episode

    S 2 : Ep 9 - 2/13/04

    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: Pheromone Number 976/Jmoreless
  • Holly Jolly Jimmy

    Full Episode

    S 2 : Ep 8 - 12/8/03

    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 Modulemoreless
  • Return of the Nanobots (a.k.a. Attack of the Nanobots)

    Full Episode

    S 2 : Ep 7 - 11/14/03

    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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