Normal Boy/Birth of a Salesman
Season 1, Episode 1 TV-Y7
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Being smart can be hard on a guy. So Jimmy invents a machine that reduces his awesome brainpower./Jimmy uses his brain power to beat Cindy in a candy-selling contest.
Brobot/The Big Pinch
Season 1, Episode 2 TV-Y7
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In his lab, Jimmy constructs the perfect little brother he never had, "Brobot". But trouble brews when Brobot is both more popular than his creator and very annoying!/To settle a classroom argument with Cindy about who really invented radio, Jimmy brings Thomas Edison to the present using his Time Pincher. But the future of western civilization is subsequently threatened when Edison takes a shine to Miss Fowl and refuses to return to his own time!
Granny Baby/Time Is Money
Season 1, Episode 3 TV-Y7
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Jimmy's Granny comes to stay while Judy and Hugh are off on a third honeymoon. Jimmy, concerned by her ailing health, gives her his new youth tonic. However, the potion works too well - Granny ends up as a talking baby!/Through the wonder of time travel, Jimmy goes 15 years into the past to a time when his parents were swinging sweethearts. Jimmy's investment tip changes the future so that the Neutrons become fabulously rich - but with unintended consequences!
Raise the Oozy Scab/I Dream of Jimmy
Season 1, Episode 4 TV-Y7
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Carl is sleep-deprived from a recurring nightmare and thus is too tired to be a useful subject for Jimmy's experiments. So Jimmy invents the DreamInjector 5000 and enters Carl's dream to figure out what his friend is so afraid of./Jimmy and Cindy have to collaborate on a science project. With the help of Carl, Sheen and Libby, they set off in a submarine in search of a famous shipwreck at the bottom of Retroville Bay and Jimmy's mounting frustration inspires mutiny among the "swabees."
Jimmy on Ice/Battle of the Bands
Season 1, Episode 5 TV-Y7
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Jimmy's attempt to cool off the summer heatwave in Retroville has the unexpected result of plunging the city into a new Ice Age./Jimmy, Carl and Sheen form a band in order to beat out Cindy and Libby for the school talent contest first prize. With Jimmy's souped-up instruments, the band sounds amazing. But egos swell out of control, and the ensuing bickering between the band-members almost destroys their friendship.
See Jimmy Run/Trading Faces (A Mind Is a Terrible Thing, Two Ways)
Season 1, Episode 6 TV-Y7
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To get revenge on Cindy for a humiliating defeat in the relay race, Jimmy adapts his running shoes so that he can move at lightning speed. Now he's so fast he's almost invisible! Unfortunately, he gets stuck in super-fast mode and has to figure out how to slow down... or disappear for good./Publicly humiliated by Cindy yet again, Jimmy comes up with an invention that will allow him to read her mind. But thanks to an unexpected power-surge, Jimmy's mind ends up in Cindy's body and vice-versa!
The Phantom of Retroland/My Son, the Hamster
Season 1, Episode 7 TV-Y7
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At school, Nick tells a scary tale 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 myth with the help of his reluctant friends Carl and Sheen./Jimmy's teleporting goof-up leads to him switching heads with Carl's pet hamster. Jimmy must reunite with his body before Hugh replaces his lab with a habitrail.
Hall Monster/Hypno-Birthday To You
Season 1, Episode 8 TV-Y7
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When the old tyrant of a hall monster leaves, Jimmy is picked as his replacement. While at first he resents his new position, over time he begins to implement high-tech measures to ensure total peace and safety in the halls. But at what cost? Soon Jimmy is the new tyrant and his friends are determined to end his reign of hall terror./Jimmy wants that new chemistry set in the worst way. But rather than wait for his Birthday to come around, he hypnotizes his parents to think that tomorrow is his birthday. Unfortunately his parents begin to think that every day is Jimmy's birthday. Jimmy's thrilled at first until Hugh and Judy announce that it's Jimmy's 18th birthday and they're kicking him out of the house.
Krunch Time/Substitute Creature
Season 1, Episode 9 TV-Y7
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Jimmy comes up with a snack that is even tastier than everyone's favorite, Cheese Goobies. It's so tasty, in fact, that everyone becomes hopelessly addicted, and life in Retroville is turned upside-down./During Botany class, Miss Fowl accidentally swallows a seed from Jimmy's DNA-accelerated spinach plant. This has the unforeseen consequence of turning her into a 50-foot plant creature that threatens the citizens of Retroville.
Safety First/Crime Sheen Investigation
Season 1, Episode 10 TV-Y7
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A bully has been giving Jimmy a rough time recently and he's about had it. Rather than go to the proper authorities, Jimmy creates an electronic bodyguard piloted by Nanobots. The overzealous Nanobots soon regard everyone and everything to be a threat. The whole town begins to treat Jimmy with kid gloves in hope of avoiding the wrath of the Jim-Tec./Sheen's latest Ultra-Lord action figure is missing and he's in a panic. Jimmy puts aside his latest invention which will hopefully extend summer in Retroville by a few months, to put on his detective hat and help Sheen. Almost everyone's a suspect but as Jimmy and Carl continue their investigation, all signs start to point to Jimmy as the culprit.
Broadcast Blues/Professor Calamitous
Season 1, Episode 11 TV-Y7
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When Jimmy's "Science With Jimmy" show on public-access TV fails to pull in the ratings, Principal Pinkly installs Cindy as his producer, and the show morphs into "Funky Dance Party Jam (with Some Science)."/ The mad Professor Finbarr Calamitous schemes to make Jimmy his "scientific slave," and force the boy genius to complete the professor's unfinished inventions so that Calamitous can take over Retroville.
Journey to the Center of Carl/AAUGH! Wilderness
Season 1, Episode 12 TV-Y7
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When Jimmy's classmates suffer incessant flu-like symptoms by a caused by Jimmy's "get out of school sick patch," the boy genius shrinks himself and Sheen to microscopic proportions so they can go into Carl's system to find the ingredients for a cure./Hugh takes Jimmy, Carl and Sheen camping in the wild - sans "frilly luxuries" like a compass or toilet paper -- to test their heartiness against the great outdoors and, much to Hugh's surprise, a ferocious bear who wants to have them for dinner.
Maximum Hugh/Sleepless in Retroville
Season 1, Episode 13 TV-Y7
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Jimmy outfits his dad with a bionic sweatband to give their team the competitive edge at the annual parent-child picnic, where Cindy and her Mom are the team to beat./Jimmy invents a machine that maximizes sleepover fun, but when Carl sits on the keyboard, he mistakenly creates a pizza-monster that chases Jimmy, Carl and Sheen throughout the Neutron house.
Make Room for Daddy-O (aka Father's Day Special)
Season 1, Episode 14 TV-Y7
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The Father's Day talent show is only a few days away, and Jimmy has to perform with his Dad. Jimmy is afraid of being disgraced in front of the entire school. Sure he loves his dad, but why must Hugh be so dorky and un-cool? Jimmy invents a device that will alter Hugh's personality, making him the coolest dad in Retroville. The invention's a success. Hugh is so cool he becomes a huge celebrity. But now this new-and-improved Hugh is too cool to spend time with his son.
Love Potion 9.76/J
Season 1, Episode 15 TV-Y7
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A laboratory mishap exposes Jimmy, Carl and Sheen to a powerful pheromone that causes each of them to fall madly in love with the next female he sees.
Jimmy/Timmy Power Hour 1
Season 1, Episode 16 TV-Y7
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After blowing off yet another science fair project, Timmy Turner wishes for access to the greatest laboratory in the universe, where he can easily get his hands on quick gadget. However, Wanda and Cosmo cannot come along, so they give him an "Auto Poofer" that will automatically poof him back to his room. Poof! Timmy is magically sent to the secret lab of none other than Jimmy Neutron, the boy with the genius IQ. Timmy immediately starts playing with all of the cool inventions that are at his fingertips, much to the chagrin of his disinclined host. But before Jimmy can find a way to get rid of this strange, annoying kid, he accidentally pushes Timmy's Auto Poofer and is instantly transported to Timmy's world. Poof! Now both boys get to spend some time living in each other's three and two dimensional shoes, respectively; Timmy has everyone in Retroville convinced that he's a boy genius, while Jimmy gets to hang out with some real fairy godparents. But with these perks comes two massive drawbacks: Timmy Turner combats a malfunctioning Goddard that's threatening to destroy Retroville, and Jimmy Neutron has to battle Timmy's crazed, fairy obsessed school teacher, Mr. Crocker who has managed to get into - of all places - fairy world.