The Adventures of Jimmy Neutron, Boy Genius
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The following is a list of episodes in the first season of The Adventures of Jimmy Neutron, Boy Genius.


# Image Title Original air date
When Pants Attack - Title Card.png
"When Pants Attack" July 20, 2002
Jimmy makes a nanochip for his pants but it backfires when it gains advanced brainial capacity, and leads an attack on Retroville!
"Normal Boy" September 6, 2002
Because his knowledge annoys the town of Retroville, Jimmy invents a device that will give him a normal brain, but he accidentally drains his brain too much.
Birth of a Salesman.jpg "Birth of a Salesman" September 6, 2002
In order to beat Cindy in a candy-selling contest, Jimmy creates a robotic salesman.
"Brobot" September 13, 2002
Jimmy feels lonely because everyone seems to have more fun when they're not an only child, so Jimmy makes a brother out of metal and calls it Brobot.
The Big Pinch (Title Card).png "The Big Pinch" September 13, 2002
In order to prove Cindy wrong, Jimmy brings Thomas Edison to the present using his Time Pincher, and ends up not being able to pry him away from Miss Fowl and Thomas Edison refuses to return to his own time.
Granny Baby (Title Card).png
"Granny Baby" September 20, 2002
Jimmy has to look after his grandma, and invents a chemical that transforms her into a baby.
Title-TimeIsMoney.png "Time is Money" September 20, 2002
The Neutrons get rich after Jimmy goes back in time to convince his dad to invest in McSpankey's.
"Raise the Oozy Scab" September 27, 2002
Jimmy and his friends encounter a giant squid while trying to find a treasure chest in the sea.
Title-IDreamOfJimmy.jpg "I Dream of Jimmy" September 27, 2002
Carl's strange behavior due to nightmares causes Jimmy and Sheen to go inside his dreams, to see what happens that makes Carl so scared.
"Jimmy On Ice" October 4, 2002
Jimmy's predictions go to hatred when he overfreezes Retroville.
Title-BattleOfTheBand.jpg "Battle of the Band" October 4, 2002
The three friends form a rock band so they can beat Cindy and Libby in the school talent show. The boys almost beat the girls, but are undone at the last second because of their hyper-inflated egos!
"See Jimmy Run" October 14, 2002
Jimmy invents super-fast shoes so he can beat Cindy in a race.
Title-TradingFaces.jpg "Trading Faces" October 14, 2002
Jimmy and Cindy switch lives and bodies.
Phantom of Retroland (Title Card).png
"The Phantom of Retroland" October 30, 2002
Jimmy, Carl, and Sheen go to Retroville's highly populated Amusement Park at midnight, so they can prove that a phantom doesn't haunt the place.
My Son, the Hamster (Title Card).png "My Son, the Hamster" October 30, 2002
Jimmy's atoms are accidentally switched with a hamster's so that he has the head of a boy and the body of a hamster.
"Hall Monster" November 1, 2002
Jimmy becomes the new hall monitor and ends up making everyone fear him.
Title-HypnoBirthdayToYou.jpg "Hypno Birthday to You" November 1, 2002
Jimmy uses his Hypno-Beam to hypnotize his parents into thinking it is his birthday everyday.
Krunch Time (Title Card).png
"Krunch Time" November 15, 2002
Jimmy invents a candy that turns out to be highly addictive.
Substitute Creature (Title Card).png "Substitute Creature" November 15, 2002
Jimmy's DNA plant turns Ms. Fowl into a 50 ft. tall giant monster.
"Safety First" November 30, 2002
Jimmy invents two Nanobots to defend him from the school bully, but they malfunction and cause chaos.
Titlecard Crime Sheen Investigation.jpg "Crime Sheen Investigation" November 30, 2002
Jimmy helps Sheen find his missing UltraLord action figure.
Journey To The Center Of Carl - Title Card.jpg
"Journey to the Center of Carl" January 31, 2003
Everyone hates school so Jimmy invents sick patches to fake sickness, but they actually sink into their bodies and Jimmy and Sheen have to stop the germs in everybody's body.
Aughwld1.jpg "Aaughh!! Wilderness!!" January 31, 2003
Jimmy, Carl, and Sheen go camping in the wilderness with Hugh, and trouble results.
Party At Neutrons.png
"Party at Neutron's" February 27, 2003
Jimmy throws a party at his house while his parents are out.
Title-UltraSheen.jpg "Ultra Sheen" February 27, 2003
Sheen fights alongside his favorite video game character after being transported into it with Jimmy's new invention.
"Broadcast Blues" March 14, 2003
Jimmy wins the honor of hosting his very own TV show, Science with Jimmy, but when the show is a flop, Cindy and Libby step and give the show a makeover. The result, to Jimmy's horror, is Funky Jam Dance Party (With Some Science).
Professor Calamitous, I Presume.jpg "Professor Calamitous, I Presume" March 14, 2003
Professor Finbarr Calamitous, who can never finish anything, plots to take over Retroville, with some help from its resident boy genius.
"The Eggpire Strikes Back" April 25, 2003
The evil Yokians return to Retroville and at first they claim that they come in peace, but they really want to use Jimmy's DNA Cloner/Scanner to create a new Poultra and exact revenge.
Maximum Hugh Title Card.png
"Maximum Hugh" May 27, 2003
Hugh gets a sweat band that turns him into a serious athlete so he can beat Cindy and her mother in the picnic games.
Jimmy Neutron Sleepless in Retroville.jpg "Sleepless in Retroville" May 27, 2003
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" June 6, 2003
Jimmy makes his dad the coolest guy in Retroville, so he won't be embarrassed by others for his father's immature performance.
Beach party mummy title.png
"Beach Party Mummy" September 19, 2003
Jimmy and his friends visit real mummies in Egypt so they can abandon watching a boring video in school.
"Sorry, Wrong Era" September 5, 2003
Jimmy's new time-travel invention sends him and his friends back two hundred million years.

Character debuts


  • For some reason, episodes 1 ("When Pants Attack") and 13 ("Party at Neutron's" / "Ultra Sheen") are not available on Paramount+. This is despite the fact that "When Pants Attack" was released on the Confusion Fusion DVD, "Ultra Sheen" was released on the Jimmy Timmy Power Hour 3 DVD, and both full episodes will be made available on The Complete Series DVD set.