The BEST episodes of The Adventures of Jimmy Neutron: Boy Genius season 1

Every episode of The Adventures of Jimmy Neutron: Boy Genius season 1, ranked from best to worst by thousands of votes from fans of the show. The best episodes of The Adventures of Jimmy Neutron: Boy Genius season 1!

Follows Jimmy Neutron, his faithful robotic dog, Goddard, and his eclectic friends and family as they experience life in Retroville. Jimmy is a typical kid, who just happens to be a genius. He creates gadgets to improve his everyday life, but his inventions go awry more often than not, and hilarious trouble ensues.

Last Updated: 9/23/2024Network: NickelodeonStatus: Ended
Journey to the Center of Carl
star
8.00
38 votes

#1 - Journey to the Center of Carl

Season 1 - Episode 22 - Aired 1/31/2003

Jimmy creates a Sick Patch to make him and his classmates get sick and stay out of school. But when the Sick Patch dissolves into the kids' skin, Jimmy has to go inside Carl to track down the germ and make a vaccine. Invention: Neutronic Sick Patch

Directors: Keith Alcorn
Writer: Steven Banks
Watch Now:Amazon
Party at Neutron's
star
7.77
35 votes

#2 - Party at Neutron's

Season 1 - Episode 24 - Aired 2/17/2003

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? Invention: Time Accelerator.

Directors: Keith Alcorn
Writer: Steven Banks
Watch Now:Amazon
Ultra Sheen
star
7.43
7 votes

#3 - Ultra Sheen

Season 1 - Episode 25 - Aired 2/17/2003

Jimmy's new invention lets you actually be a player in your favorite video game! Sheen enters UltraLord Versus Robo-Fiend and is later joined by Jimmy. But when Carl enters in Llamapalooza, Jimmy's faced with the problem of getting them all back into the real world. Invention: Neutronic Game Pyramid.

Directors: Keith Alcorn
Writer: Gene Grillo
Watch Now:Amazon
Make Room for Daddy-O
star
7.38
8 votes

#4 - Make Room for Daddy-O

Season 1 - Episode 30 - Aired 6/6/2003

The Father's Day talent show is only a few days away, and Jimmy has to perform with his Dad. Hugh can't wait for the big night. Jimmy, on the other hand, 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? So 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. Jimmy must now come up with a last minute solution that will turn Hugh back into the dad he loves. Inventions: Neutronic De-dorkenator, mirco-fiber-optic tether net.

Directors: Keith Alcorn
Writer: Steven Banks
Watch Now:Amazon
Krunch Time
star
7.15
39 votes

#5 - Krunch Time

Season 1 - Episode 18 - Aired 11/15/2002

Jimmy determines to create a perfect snack: sour, creamy, sweet, chewy, etc. - all at once! When he finally gets the formula right, the snack turns out to be too perfect ... and everyone in Retroville becomes hopelessly addicted to it!

Directors: Keith Alcorn
Watch Now:Amazon
Sleepless in Retroville
star
7.11
35 votes

#6 - Sleepless in Retroville

Season 1 - Episode 29 - Aired 5/17/2003

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? Invention: Slumbertron 9000.

Directors: Mike Gasaway
Writer: Steven Banks
Watch Now:Amazon
Crime Sheen Investigation
star
7.08
36 votes

#7 - Crime Sheen Investigation

Season 1 - Episode 21 - Aired 11/30/2002

Sheen's oldest and most prized UltraLord is missing! It's up to Jimmy, playing a high-tech Sherlock Holmes, to find it. Inventions: UltraShock Dance Teacher 8000, Neutra-Scope.

Directors: Keith Alcorn
Watch Now:Amazon
Maximum Hugh
star
7.06
36 votes

#8 - Maximum Hugh

Season 1 - Episode 28 - Aired 5/17/2003

It's time for the Parent-Child Picnic Games at Lindbergh Elementary - and the Vortexes always win. Since Jimmy doesn't think Hugh has what it takes to beat Cindy and her mom, he invents a headband to scientifically bring his dad's performance levels up past human standards. Invention: "...corrective electromagnetic cranial band." (Hugh's headband)

Watch Now:Amazon
Aaughh!! Wilderness!!
star
7.05
37 votes

#9 - Aaughh!! Wilderness!!

Season 1 - Episode 23 - Aired 1/31/2003

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? Invention: Neutron Camp-In-A-Box.

Directors: Mike Gasaway
Writer: Gene Grillo
Watch Now:Amazon
When Pants Attack
star
7.04
108 votes

#10 - When Pants Attack

Season 1 - Episode 1 - Aired 7/20/2002

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! Inventions: MircoViewer 3000, Neutronic Eye in the Sky, Pant Eliminator, Smart Pants (nanochip), Laundroton, Neutron Catastrophic Simulation Escape System (Robo-Walker).

Directors: Keith Alcorn
Writer: Steven Banks
Watch Now:AmazonApple TV
Safety First
star
6.95
40 votes

#11 - Safety First

Season 1 - Episode 20 - Aired 11/30/2002

A bully has been giving Jimmy a rough time recently, and he's had it. Rather than go to the proper authorities, Jimmy creates an electronic bodyguard piloted by Nanobots. The Nanobots get a little overzealous, though, and the Jim-Tech doesn't help Jimmy's situation much. Inventions: the Jim-Tech & Nanobots.

Directors: Mike Gasaway
Watch Now:Amazon
Normal Boy
star
6.68
28 votes

#12 - Normal Boy

Season 1 - Episode 2 - Aired 9/6/2002

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?

Directors: Keith Alcorn
Writer: Jed Spingarn
Watch Now:AmazonApple TV
Time Is Money
star
6.65
17 votes

#13 - Time Is Money

Season 1 - Episode 7 - Aired 9/20/2002

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!

Directors: Keith Alcorn
Watch Now:AmazonApple TV
Brobot
star
6.64
55 votes

#14 - Brobot

Season 1 - Episode 4 - Aired 9/13/2002

Jimmy, fed up with being an only child, invents his very own little brother, Brobot. Although at first he is happy with the results, Jimmy's actions soon backfire when Brobot steals the attention of Jimmy's friends and family.

Directors: Keith Alcorn
Watch Now:AmazonApple TV
Birth of a Salesman
star
6.53
85 votes

#15 - Birth of a Salesman

Season 1 - Episode 3 - Aired 9/6/2002

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. Inventions: Book Gum, Willy Loman 3000.

Directors: Keith Alcorn
Writer: Steven Banks
Watch Now:AmazonApple TV
A Beautiful Mine
star
6.46
39 votes

#16 - A Beautiful Mine

Season 1 - Episode 31 - Aired 8/1/2003

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. Inventions: the Jimbus, Chip.

Directors: Mike Gasaway
Writer: Gene Grillo
Watch Now:Amazon
Hall Monster
star
6.44
9 votes

#17 - Hall Monster

Season 1 - Episode 16 - Aired 11/1/2002

When the old tyrant of a hall monitor moves to Greece, Jimmy is chosen as his replacement. At first, he hates the job. But the power goes to his head, and he vows to "bring Lindbergh Elementary into the new century and beyond," becoming worse than the old hall monitor. Inventions: Hall Pass Authenticator, ID & Background Check Scanner.

Directors: Mike Gasaway
Writer: Steven Banks
Watch Now:AmazonApple TV
The Phantom of Retroland
star
6.33
9 votes

#18 - The Phantom of Retroland

Season 1 - Episode 14 - Aired 10/30/2002

At school, Nick tells a scary tale about the Phantom of Retroland, a monster that 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.

Directors: Keith Alcorn
Watch Now:AmazonApple TV
Sorry, Wrong Era
star
6.30
10 votes

#19 - Sorry, Wrong Era

Season 1 - Episode 32 - Aired 9/5/2003

Jimmy invents the Quantum Replay 9000 which enables him to go back in time. When Hugh gets a hold of it, he accidentally sends Jimmy, Carl and Sheen back 200 million years. Now Jimmy has to figure out how to get back while staving off a rampaging T-Rex.

Directors: Keith Alcorn
Writer: Gene Grillo
Watch Now:Amazon
I Dream of Jimmy
star
6.20
15 votes

#20 - I Dream of Jimmy

Season 1 - Episode 9 - Aired 9/27/2002

Carl's sleeping problems are hindering Jimmy's scientific research, so Jimmy goes into Carl's dream to see what the problem is.

Directors: Keith Alcorn
Watch Now:AmazonApple TV
Broadcast Blues
star
6.17
36 votes

#21 - Broadcast Blues

Season 1 - Episode 26 - Aired 3/14/2003

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). Inventions: Gravitrax SK30, AccoustaVac.

Directors: Mike Gasaway
Writer: Gene Grillo
Watch Now:Amazon
Trading Faces
star
6.14
14 votes

#22 - Trading Faces

Season 1 - Episode 13 - Aired 10/14/2002

While Jimmy is using his mind-reading device on Cindy, their personalities are accidentally switched. Jimmy (in Cindy's body) and Cindy (in Jimmy's body) take advantage of this mistake, embarrassing each other to no end.

Directors: Mike Gasaway
Watch Now:AmazonApple TV
Substitute Creature
star
6.14
37 votes

#23 - Substitute Creature

Season 1 - Episode 19 - Aired 11/15/2002

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. Inventions: ElectroMagnetic Radiation Multiplier, Hieroglyphics Translator, DNA Accelerator, Toaster Window Washer, Toaster Newspaper Deliverer, Toaster Make-Up Applier.

Directors: Mike Gasaway
Watch Now:Amazon
Professor Calamitous, I Presume
star
6.11
35 votes

#24 - Professor Calamitous, I Presume

Season 1 - Episode 27 - Aired 3/14/2003

The bad Professor Finbarr Calamitous, who can never finish anything, plots to take over Retroville, with some help from its resident boy genius. Invention: Swiss Army Laser.

Directors: Mike Gasaway
Writer: Steven Banks
Watch Now:Amazon
Jimmy On Ice
star
6.08
13 votes

#25 - Jimmy On Ice

Season 1 - Episode 10 - Aired 10/4/2002

On an incredibly hot summer day, Jimmy tries to do Retroville a favor by blocking out the sun with quantumly enhanced sun block. But, as usual, things don't quite turn out the way the boy genius planned.

Writer: Gene Grillo
Watch Now:AmazonApple TV