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Season guide

The Adventures of Jimmy Neutron: Boy Genius: Season 1

32 episodes Premiered Jul 20, 2002 Updated Jul 19, 2026
Season 1 Episodes

Episode Guide

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Season 1: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

9%
91%
Mytharc (3): Crucial lore & season climaxes
Core (29): Character development & subplots
Side Quest (0): Standalone / filler
S1·E1 Mytharc

When Pants Attack

Jul 20, 2002 · 24 min

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 b

S1·E2 Core

Normal Boy

Sep 6, 2002 · 12 min

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?

S1·E3 Core

Birth of a Salesman

Sep 6, 2002 · 12 min

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 matte

S1·E4 Core

Brobot

Sep 13, 2002 · 12 min

In his lab, Jimmy constructs the perfect little brother he never had, "Brobot".

S1·E5 Core

The Big Pinch

Sep 13, 2002 · 12 min

To settle an argument with Cindy, Jimmy brings Thomas Edison to school.

S1·E6 Core

Granny Baby

Sep 20, 2002 · 12 min

Jimmy's Granny comes to visit and he gives her his new youth tonic potion.

S1·E7 Core

Time Is Money

Sep 20, 2002 · 12 min

Jimmy goes 15 years into the past to a time when his parents were swinging sweethearts.

S1·E8 Core

Raise the Oozy Scab

Sep 27, 2002 · 12 min

Jimmy and Cindy are forced to collaborate on a science project involving hidden treasure.

S1·E9 Core

I Dream of Jimmy

Sep 27, 2002 · 12 min

Jimmy invents the Dream Injector 5000 and enters Carl's dream to figure out what he is afraid of.

S1·E10 Core

Jimmy On Ice

Oct 4, 2002 · 12 min

Jimmy's attempt to cool off the summer heat wave results in a new Ice Age.

S1·E11 Core

Battle of the Band

Oct 4, 2002 · 12 min

Jimmy, Carl and Sheen form a band in order to beat out Cindy and Libby for the talent contest first prize.

S1·E12 Core

See Jimmy Run

Oct 14, 2002 · 12 min

To get revenge on Cindy for winning a race, Jimmy adapts his running shoes so he can move at lightning speed.

S1·E13 Core

Trading Faces

Oct 14, 2002 · 12 min

Jimmy comes up with an invention that allows him to read Cindy's mind.

S1·E14 Core

The Phantom of Retroland

Oct 30, 2002 · 12 min

Jimmy tries to disprove Nick's scary tale about the Phantom of Retroland.

S1·E15 Core

My Son, the Hamster

Oct 30, 2002 · 12 min

Jimmy's teleporting goof-up leads to him switching heads with Carl's pet hamster.

S1·E16 Core

Hall Monster

Nov 1, 2002 · 12 min

When the old tyrant of a hall monster leaves, Jimmy is picked as his replacement.

S1·E17 Core

Hypno-Birthday to You!

Nov 1, 2002 · 12 min

In order to get his new chemistry set right away, Jimmy hypnotizes his parents.

S1·E18 Core

Krunch Time

Nov 15, 2002 · 12 min

Jimmy comes up with a snack that is even tastier than everyone's favorite.

S1·E19 Core

Substitute Creature

Nov 15, 2002 · 12 min

Miss Fowl swallows a seed from Jimmy's DNA-accelerated spinach plant turning her into a 50-foot plant.

S1·E20 Core

Safety First

Nov 30, 2002 · 12 min

Jimmy creates an electronic bodyguard to protect him from a bully.

S1·E21 Core

Crime Sheen Investigation

Nov 30, 2002 · 12 min

Sheen's oldest and most prized UltraLord is missing! It's up to Jimmy, playing a high-tech Sherlock Holmes, to find it.

S1·E23 Core

Aaughh!! Wilderness!!

Jan 31, 2003 · 12 min

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?

S1·E24 Core

Party at Neutron's

Feb 17, 2003 · 12 min

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?

S1·E25 Core

Ultra Sheen

Feb 17, 2003 · 12 min

Jimmy uses his Neutronic Game Cube to send Sheen into his favorite Ultra Lord video game.

S1·E26 Core

Broadcast Blues

Mar 14, 2003 · 12 min

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 informati

S1·E28 Core

Maximum Hugh

May 17, 2003 · 12 min

At the parent-child picnic, Jimmy gives his dad a bionic sweatband to help their team beat Cindy's.

S1·E29 Core

Sleepless in Retroville

May 17, 2003 · 12 min

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-or

S1·E30 Core

Make Room for Daddy-O

Jun 6, 2003 · 24 min

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.

S1·E31 Mytharc

A Beautiful Mine

Aug 1, 2003 · 24 min

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

S1·E32 Mytharc

Sorry, Wrong Era

Sep 5, 2003 · 24 min

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.