Season
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.
Cast
Debi Derryberry
Jimmy Neutron (voice)
Jeffrey Garcia
Sheen Estevez (voice)
Rob Paulsen
Carl Wheezer (voice)