Episodes
When Pants Attack
Since Jimmy's a scientist, he has more important things to do than pick up his pants - like invent a device that'll do that chore for him. But when the nanochip develops advanced brainial capacity, Jimmy's pants lead an attack on the city of Retroville!
Normal Boy
Jimmy is tired of being a genius, so he decides to drain his brain to normal capacity. But when a big meteor heads straight for Retroville, who will save the day?
Birth of a Salesman
Miss Fowl's class has a candy-selling contest, with the grand prize being a trip to Retroland! To beat Cindy in the contest, Jimmy invents a robot programmed to sell candy no matter what.
Brobot
In his lab, Jimmy constructs the perfect little brother he never had, "Brobot".
The Big Pinch
To settle an argument with Cindy, Jimmy brings Thomas Edison to school.
Granny Baby
Jimmy's Granny comes to visit and he gives her his new youth tonic potion.
Time is Money
Jimmy goes 15 years into the past to a time when his parents were swinging sweethearts.
Raise the Oozy Scab
Jimmy and Cindy are forced to collaborate on a science project involving hidden treasure.
I Dream of Jimmy
Jimmy invents the Dream Injector 5000 and enters Carl's dream to figure out what he is afraid of.
Jimmy On Ice
Jimmy's attempt to cool off the summer heat wave results in a new Ice Age.
Battle of the Band
Jimmy, Carl and Sheen form a band in order to beat out Cindy and Libby for the talent contest first prize.
See Jimmy Run
To get revenge on Cindy for winning a race, Jimmy adapts his running shoes so he can move at lightning speed.
Trading Faces
Jimmy comes up with an invention that allows him to read Cindy's mind.
The Phantom of Retroland
Jimmy tries to disprove Nick's scary tale about the Phantom of Retroland.
My Son, the Hamster
Jimmy's teleporting goof-up leads to him switching heads with Carl's pet hamster.
Hall Monster
When the old tyrant of a hall monster leaves, Jimmy is picked as his replacement.
Hypno-Birthday to You!
In order to get his new chemistry set right away, Jimmy hypnotizes his parents.
Krunch Time
Jimmy comes up with a snack that is even tastier than everyone's favorite.
Substitute Creature
Miss Fowl swallows a seed from Jimmy's DNA-accelerated spinach plant turning her into a 50-foot plant.
Safety First
Jimmy creates an electronic bodyguard to protect him from a bully.
Crime Sheen Investigation
Sheen's oldest and most prized UltraLord is missing! It's up to Jimmy, playing a high-tech Sherlock Holmes, to find it.
Journey to the Center of Carl
Jimmy creates a "get out of school sick" patch.
Aaughh!! Wilderness!!
Hugh takes Jimmy, Sheen, and Carl on a camping trip into the wilderness, allowing no technology whatsoever. So what will save them when a big problem comes along?
Party at Neutron's
Sheen and Carl convince Jimmy to throw a party when his parents go out to watch Ducks. But when Hugh and Judy come home early, how can Jimmy convince his guests to leave?
Ultra Sheen
Jimmy uses his Neutronic Game Cube to send Sheen into his favorite Ultra Lord video game.
Broadcast Blues
Jimmy lands the spot of host on Lindbergh Elementary's Public Access show! When the show fails miserably, Cindy and Libby are brought in as producer and co-star, changing informative Science With Jimmy to flashy Funky Jam Dance Party (with some science).
Professor Calamitous, I Presume
The mad Professor Finbarr Calamitous schemes to make Jimmy his "scientific slave."
Maximum Hugh
At the parent-child picnic, Jimmy gives his dad a bionic sweatband to help their team beat Cindy's.
Sleepless in Retroville
Jimmy is hosting a sleepover with Carl and Sheen! To make it the best slumber party in history, Jimmy invents a machine to make perfect pillows for pillow fights, create made-to-order pizzas, and tell scream-your-head-off scary stories. But what happens if the invention is overloaded and the programs mix up?
Make Room for Daddy-O
The Father's Day talent show is a few days away so Jimmy invents a device that turns dorky Hugh into the coolest dad in Retroville.
A Beautiful Mine
Jimmy, Carl, Sheen, Cindy, Libby, and Goddard blast off into space in Jimmy's newly invented spaceship to mine for aster-rubies while fighting off space bandits and their own greed.
Sorry, Wrong Era
Jimmy invents the Quantum Replay 9000 which enables him to go back in time. Hugh accidentally sends Jimmy, Carl, and Sheen back 200 million years.
Beach Party Mummy
Bored by a class documentary on mummies, Jimmy decides to take Carl, Sheen, Libby, and Cindy along with him to see the real deal.
The Retroville 9
Jimmy's determination to captain a winning baseball team leads him to rev up the equipment with Neutronic technology.
Grumpy Young Men
They boys use a metabolic accelerator to make them old enough to buy a violent video game.
Nightmare in Retroville
In order to have the scariest Halloween costumes ever, Jimmy uses his latest invention to morph Carl and Sheen into a Vampire and a Werewolf.
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.
Jimmy For President
Jimmy runs for class president against Sheen, Libby and Bolbi - the new kid.
Return of the Nanobots
Jimmy attempts to update the mischievous Nanobots in order to correct errors in his homework, but the Nanobots take it upon themselves to correct everything - even the human race!
Holly Jolly Jimmy
Jimmy is convinced that Santa Claus does not exist. To prove his theory, he travels to the North Pole where he discovers a remote toy factory.
Love Potion #976/J
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 they see.
Sheen's Brain
Sheen is one math test away from being left back, so Jimmy turns his Brain Drain helmet into a Brain Gain helmet and uses it on his buddy, instantly quadrupling Sheen's IQ.
MaternoTron Knows Best
While Judy Neutron takes a spa vacation, Jimmy invents The Maternotron 6000 to take care of the house.
Send in the Clones
Jimmy clones himself so he doesn't have to do chores.
The Great Egg Heist
Jimmy must help Asian Princess Peggy Tsu retrieve the Egg Drop Jade before her evil brother steals it.
The Feud
Jimmy and Carl get caught in the middle of a feud between their dads.
Out, Darn Spotlight
Jimmy is desperate to get the starring role opposite dream girl Betty Quinlan in the school musical, "Macbeth in Space." But the only part he can land is the FX master backstage.
The Junkman Cometh
Jimmy must rescue Brobot's parents from the terrifying Junk Man, a galactic space scoundrel who plans to dismantle the robots and sell their parts to the highest bidder.
Foul Bull
During a class trip to a rodeo, Jimmy, Carl and Sheen fall for a cute little cowgirl named Sally.
The Science Fair Affair
Cindy Vortex leads a campaign to ban Jimmy from the school's science fair.
Men at Work
Carl, Sheen, and Jimmy take jobs at a local burger joint. Jimmy transforms it to a fully automated restaurant that aims to please the customers and destroy the competition.
The Mighty Wheezers
Jimmy designs a temporary remedy at the Wheezers' house so he and Carl can have fun.
Billion Dollar Boy
Jimmy and company are invited to the home of a spoiled boy billionaire - who wants Jimmy's dog.
Lights! Camera! Danger!
Famous film director Quintin Smithee is coming to Retroville to make his next big movie, and Jimmy, Cindy, Libby, Sheen and Carl all have starring roles.
The N Men
After a run in with a radiation belt in outer space, Jimmy, Cindy, Carl, Sheen and Libby are all endowed with super powers.
The Tomorrow Boys
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?
Fundemonium
Jimmy's dad loses his job at the now-defunct automotive plant which means that the Neutrons may have to move to a new town. As a last-ditch effort to keep the family in Retroville, Hugh applies for a job as a toy inventor.
Stranded
A trip gone wrong ends up turning even worse when Jimmy and Cindy get into an argument that winds up getting them stranded together.
Jimmy Goes to College
Jimmy is recruited by the most prestigious science college in the country to be their new superstar student. But when he gets there, Jimmy becomes the unwitting target of rival student, Seymour Nimmelfarb.
Who's Your Mommy?
On a trip to Planet Schmengy, a strange alien substance attaches itself to Carl's face.
Clash of the Cousins
The Neutron family has gathered to celebrate Great Aunt Amanda's birthday. When Jimmy's present explodes, everyone suspects him of fowl.
My Big Fat Spy Wedding
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!
Crouching Jimmy, Hidden Sheen
In Retroville, Sheen is just an average hyperactive kid. But in Shangri Llama, he is known as The Chosen One, or One Who Puts Foot Behind Head.
The Incredible Shrinking Town
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.
One of Us
A new TV show turns everyone in Retroville into mindless and exceedingly cheerful zombies.
Vanishing Act
To impress Betty Quinlan, Jimmy performs a magic show using a cheap magic kit that's full of his own technological upgrades.
The Trouble with Clones
The evil Jimmy clone is back, and he's reconfigured the cloning device to make an evil clone of the Earth with an alarming side effect – the real Earth is starting to disappear.
The Evil Beneath
The boys travel to the Bahama Quadrangle to disprove the myth of the disappearances associated with the mysterious site.
Carl Wheezer: Boy Genius
Carl's pen pal, Elke Elkberg from Sweden, is coming to Retroville to meet him, and Carl is in a panic.
Who Framed Jimmy Neutron?
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.
Flippy
Jimmy places a funny chip into Hugh's new Flippy puppet when he insists on using it for Career Day at school. But Jimmy soon learns that Flippy is stealing his dad's mind and has to save him before Flippy disposes of him.
How to Sink a Sub
When Jimmy hides a time displacement device in the teachers' transportation to the annual education convention, the entire faculty of Lindberg Elementary is sent into temporary time limbo.
Lady Sings the News
The kids become news anchors for a local television network.
King of Mars
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?
El Magnifico
Sheen's dad, Mr. Estevez desperately wants to impress his son, so he pretends he is a superhero.
Best in Show
Goddard is disqualified from the Retroville Pet Show because he is not technically a real dog.
Info provided by The Movie Database. Watch sources provided by JustWatch.