The BEST episodes of The Adventures of Jimmy Neutron: Boy Genius season 2

Every episode of The Adventures of Jimmy Neutron: Boy Genius season 2, 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 2!

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
Nightmare in Retroville
star
8.31
13 votes

#1 - Nightmare in Retroville

Season 2 - Episode 4 - Aired 10/29/2003

Jimmy's Neutronic Monster-Maker transforms Sheen into a werewolf, Carl into a vampire, and Hugh into Frankenstein's monster. However, Jimmy's invention works too well, making those three real monsters! The little genius's Halloween is complicated when Carl and Sheen bite Cindy and Libby - now there are five monsters chasing him! Invention: Neutronic Monster-Maker.

Writer: Steven Banks
Watch Now:AmazonApple TV
Men At Work
star
7.82
11 votes

#2 - Men At Work

Season 2 - Episode 19 - Aired 6/2/2004

To raise money for his inventions, Jimmy decides that he, Sheen, and Carl should get jobs. Skeet, employee of the month at McSpanky's, hires Sheen and Carl, but doesn't think Jimmy's the "McSpanky type," though he agrees to try Jimmy out. Jimmy, however, is not pleased with the brainless (and humiliating) work he has to do, so he takes it upon himself to show everyone what he's capable of - by bringing McSpanky's into the 21st century. Inventions: Hover Hats, Bee-Be-Gone, McSpanky's improvements (including a tongue scanner and Customer Satisfaction).

Directors: Mike Gasaway
Watch Now:AmazonApple TV
Love Potion #976/J
star
7.77
39 votes

#3 - Love Potion #976/J

Season 2 - Episode 9 - Aired 2/13/2004

Jimmy shows off his latest invention – a love pheromone – to Carl and Sheen. Anyone exposed to it will fall in love with the first person he or she sees. Jimmy thinks his potion is stored safely in the containment chamber, but Carl accidentally opens it – and love is literally in the air, exposing them all! And Cindy Vortex is the first girl Jimmy sees! Will Jimmy be able to reverse the effects of his latest invention, or will love conquer all? Inventions: Phermone Number 976/J

Writer: Gene Grillo
Watch Now:AmazonApple TV
Beach Party Mummy
star
7.70
44 votes

#4 - Beach Party Mummy

Season 2 - Episode 1 - Aired 9/19/2003

Bored by a class documentary on mummies, Jimmy decides to take Carl, Sheen, Libby, and Cindy along with him to see the real deal. But when his Electro-Life gizmo accidentally brings the mummies to life, Jimmy's got to keep himself and his friends from becoming the latest addition to Queen Hazabataslapya's Tomb. Invention: the Electro-Life.

Directors: Keith Alcorn
Writer: Steven Banks
Watch Now:AmazonApple TV
The Retroville 9
star
7.58
43 votes

#5 - The Retroville 9

Season 2 - Episode 2 - Aired 10/3/2003

Jimmy's determination to captain a winning baseball team leads him to rev up the equipment with Neutronic technology. When the team unexpectedly reaches the World Championship, Jimmy has a crisis of conscience. Inventions: Hydraulic-force amplifying bat, Sphere-seeking gloves.

Watch Now:AmazonApple TV
Grumpy Young Men
star
7.39
41 votes

#6 - Grumpy Young Men

Season 2 - Episode 3 - Aired 10/3/2003

Jimmy, Carl, and Sheen use Jimmy's Metabolic Accelerator so they can be old enough to buy a violent video game. The machine works a little too well, and the boys end up as senior citizens. Inventions: Metabolic Accelerator, Experimental Truth Serum

Watch Now:AmazonApple TV
Sheen's Brain
star
7.23
13 votes

#7 - Sheen's Brain

Season 2 - Episode 10 - Aired 3/8/2004

Jimmy tries to stop Sheen from getting left back in school by turing his Brain Drain Helmet into a Brain Gain Helmet. However, his plan backfires when Sheen's I.Q. – as well as his head – inflates to a destructive degree. Invention: Brain Gain Helmet

Writer: Jed Spingarn
Watch Now:AmazonApple TV
Jimmy For President
star
7.07
41 votes

#8 - Jimmy For President

Season 2 - Episode 6 - Aired 11/11/2003

Jimmy runs for class president against Libby, Sheen and foreign exchange student Bolbi, and Carl ends up being forced by each of them to vote for them.

Watch Now:AmazonApple TV
Billion Dollar Boy
star
7.00
36 votes

#9 - Billion Dollar Boy

Season 2 - Episode 21 - Aired 6/7/2004

After Jimmy beats the richest kid in Retroville, Eustace Strych, in the Battlekite Flyoffs, Eustace's pride is wounded. He sets up a trap for Jimmy by inviting Jimmy, Sheen, Carl, Cindy, Libby, Hugh, and - most importantly - Goddard over to his mansion. There, Hugh befriends Eustace's dad while the kids enjoy an ice cream banquet. Things turn dangerous, however, when Eustace engages Jimmy in a bet - Goddard against one of Eustace's RA units.

Writer: Gene Grillo
Watch Now:Amazon
MaternoTron Knows Best
star
6.70
10 votes

#10 - MaternoTron Knows Best

Season 2 - Episode 11 - Aired 3/9/2004

Jimmy creates a robot to replace his vacationing mother, but when it becomes too controlling, will Judy come to the rescue in time? Inventions: Hydraulic Cuckoo Clock, Materno-Tron, Maternal Chip

Watch Now:AmazonApple TV
Holly Jolly Jimmy
star
6.70
10 votes

#11 - Holly Jolly Jimmy

Season 2 - Episode 8 - Aired 12/8/2003

Jimmy is convinced that Santa Claus does not exist. To prove his theory once and for all, Jimmy travels to the North Pole with Carl and Sheen. The boys find Santa's workshop, but Jimmy thinks it's just another toy factory. In fact, nothing they see convinces Jimmy otherwise. When his homing device accidentally emits a blast of energy to the source of the signal, Santa's atoms get scrambled. With Santa temporarily out of action, who can deliver the presents? Jimmy must now put his doubts aside, load up the hypercube, and try to save Christmas before the people of Retroville make up a new holiday. Inventions: Reindeer Scenario 8.20-B, Jingle Bell-Powered Sonic Propultion Unit, Laser-Guided Navigational Beacon (Goddard's red nose), Warp Module

Writer: Gene Grillo
Watch Now:AmazonApple TV
Return of the Nanobots
star
6.56
9 votes

#12 - Return of the Nanobots

Season 2 - Episode 7 - Aired 11/14/2003

Jimmy tries to update those mischievous Nanobots to correct his non-scientific homework, but the Nanobots become obsessed with pleasing "The Great Creator" and start correcting everything. Invention: Correcto-Tech.

Writer: Gene Grillo
Watch Now:AmazonApple TV
Out, Darn Spotlight
star
6.56
9 votes

#13 - Out, Darn Spotlight

Season 2 - Episode 15 - Aired 3/11/2004

Jimmy tries to impress Betty Quinlan by auditioning for the lead role in the school play, a musical entitled MacBeth in Space. Though he loses the part to Nick, he jumps at the chance of doing the special effects. However, when Nick breaks his leg skateboarding, will Jimmy rise to the challenge, or let the play go up in smoke? Inventions: Neutronic Storminator, Hovershoes, laser spear, robo space-walker.

Writer: Steve Banks
Watch Now:AmazonApple TV
Monster Hunt
star
6.40
10 votes

#14 - Monster Hunt

Season 2 - Episode 5 - Aired 11/11/2003

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. Inventions: Sonar Scanner, Demutation Pellet.

Watch Now:AmazonApple TV
The Junkman Cometh
star
6.17
36 votes

#15 - The Junkman Cometh

Season 2 - Episode 16 - Aired 3/12/2004

Jimmy, Sheen and Carl travel to the Moon to help Jimmy's robotic brother Brobot rescue his parents from The Junkman, an evil space scoundrel.

Writer: Steven Banks
Watch Now:AmazonApple TV
Send in the Clones
star
6.14
7 votes

#16 - Send in the Clones

Season 2 - Episode 12 - Aired 3/9/2004

When Jimmy's chores get in the way of him enjoying rare ice crystals from outer space, he hurriedly creates clones of himself. These clones, however, represent different parts of Jimmy's personality. What will happen when the clones are let loose in Retroville? Inventions: The six clones from Jimmy's Telepods - Positive Jimmy, Negative Jimmy, Romantic Jimmy, Funny Jimmy, Macho Jimmy, and Evil Jimmy

Watch Now:AmazonApple TV
The Mighty Wheezers
star
6.14
37 votes

#17 - The Mighty Wheezers

Season 2 - Episode 20 - Aired 6/7/2004

The Mighty Wheezers When his parents go to the desert for a camp-out, Jimmy spends the weekend with the Wheezers. The aches, pains, and insane precautions the Wheezers take to protect their health, however, soon get to Jimmy. Thus, the boy genius sneaks back to his lab and creates health boost pills for the Wheezers. The pills work a little too well, though, and the Wheezers end up with almost super-human abilities! But the effects are only temporary, and they could wear off at any time.... Invention: total health-boost pills.

Writer: Gene Grillo
Watch Now:Amazon
The Great Egg Heist
star
6.00
7 votes

#18 - The Great Egg Heist

Season 2 - Episode 13 - Aired 3/10/2004

Jimmy helps Princess Guan Qi "Peggy" Tsu by retrieving the Egg-Drop Jade from the Retroville Museum before it is stolen by her evil brother. Invention: Null Generator

Writer: Gene Grillo
Watch Now:AmazonApple TV
The Science Fair Affair
star
6.00
8 votes

#19 - The Science Fair Affair

Season 2 - Episode 18 - Aired 3/26/2004

Cindy leads a campaign to ban Jimmy from the school's science fair, citing unfair competition. But even an ousted Jimmy steals the spotlight when his patented oil-generating machine earns him a Nobel Prize for Science – then malfunctions and places everyone at the science fair in grave danger. Invention: The I Can't Believe It's Not Oil 8000

Watch Now:Amazon
Foul Bull
star
5.86
7 votes

#20 - Foul Bull

Season 2 - Episode 17 - Aired 3/26/2004

During a class trip to a rodeo, Jimmy, Carl and Sheen fall for a cute cowgirl, Sally. To prove themselves worthy of Sally's heart, each of the boys set out to master a specific rodeo talent. Sheen turns himself into a rodeo clown, and Carl wrestles a pig, but it's Jimmy who comes out the victor with his impressive bull riding – and fool proof robotic bull, of course. Once the bull malfunctions however, the boys need the help of a real cowboy to save the day. That cowboy, or cowgirl, turns out to be none other than Miss Fowl. Invention: Hyper-dimensional Super-controlling Electro-Magnet, Bullinator 8000

Watch Now:AmazonApple TV
The Feud
star
5.82
11 votes

#21 - The Feud

Season 2 - Episode 14 - Aired 3/10/2004

Jimmy and Carl's dads are fighting and forbid their sons from speaking to one another, so Jimmy and Carl must find a way to end the feud and save their friendship. Inventions: Holographic Star Toad (game), flashlight-like laser, Chloro-Plastic Crabgrass (Perpetual Motion Gyro-Top and Non-Sucking Hydraulic Loopy Straw).

Writer: Gene Grillo
Watch Now:AmazonApple TV