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The Adventures of Jimmy Neutron: Boy Genius Season 3 Episodes

Season 3 Episode Guide

23 Episodes 2004 - 2006

Episode 1

Attack of the Twonkies

Thu, Nov 11, 200445 mins

Jimmy returns from an excavation on the Twonkus-3 comet with a small furry creature burrowed in his soil samples that have a rather violent reaction to music.

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The Adventures of Jimmy Neutron: Boy Genius, Season 3 Episode 1 image

Episode 2

The N-Men

Sat, Nov 27, 200445 mins

Jimmy and his friends develop superpowers and they decide to use them to help other people, but they end up causing more harm than good. Jimmy tries to tell his friends that they need to train before they can take action, but Cindy and the others refuse to listen to Jimmy. Their latest stunt causes Cindy, Libby, Carl, and Sheen to be arrested by the military. Jimmy tries to find away to help his friends, but he gets frustrated over the lack of progress and he soon learns that his friends will die from their exposure to the belt. Jimmy becomes agitated over Cindy insulting him, he transforms into a giant monster. The next day, the parents are determined to save their children from the military. Jimmy soon causes a rampage in town and his parents try to calm him down, but Sam and the townspeople start to anger Jimmy and he tries to get his revenge on Sam and everyone else for belittling him. On the military base, Cindy and her friends are able to use their powers more carefully, but they are unaware of their fate. Cindy soon notices that Jimmy has turned into a monster because of how she treated him. Cindy and her friends are able to escape the base so they can help Jimmy. During a grueling battle, Carl tries to tell Cindy to apologize to Jimmy but they continue to fight Jimmy. Realizing they are outmatched, Sheen uses the heavy seltzer so that Carl can use his belching to end Jimmy's rampage. However, Cindy and her friends become weak from the fight. Jimmy tries to get his revenge on Cindy, she soon apologizes for everything she has said to him and she tries to admit her feelings to Jimmy, but she ends up succumbing to her fate. Jimmy finally calms himself down and he is reverted back to normal. Jimmy notices his friends are dying and he sees the seltzer bottle on the ground. Jimmy takes his friends back to his lab and he is able to make an antidote for his friends. Jimmy and his friends will only have their powers for about a week.

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Episode 3

Lights! Camera! Danger!

Sat, Nov 27, 200424 mins

After a run in with a radiation belt in outer space, Jimmy, Cindy, Carl, Sheen and Libby are all endowed with super powers.

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The Adventures of Jimmy Neutron: Boy Genius, Season 3 Episode 3 image

Episode 4

The Tomorrow Boys

Mon, May 23, 200524 mins

Jimmy and the boys use Jimmy's latest invention to travel into the future to discover that the entire town has fallen under the totalitarian rule of Libby.

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Episode 5

Fundemonium

Tue, May 24, 200524 mins

Hugh loses his job at the car dealership and his family will be moving. Jimmy convinces his father to apply for a job at a toy company. Jimmy secretly upgrades all of his father's toys so that his father can keep his job and win over his investors. But Jimmy gets overworked and tired on upgrading his father's latest toy. Hugh unknowingly places the nano-bots in his newest toy. During the presentation, the nano-bots take over the toy and they cause a rampage in Retroville. Jimmy wakes up and he discovers the nano-bots are gone. Jimmy enlists Carl and Sheen to help him end the nano-bots rampage on Retroville. Jimmy tricks the bots into going potty, causing the toy tank to overload and revert back to normal. Hugh is offered a promotion, but he turns it down and he goes back to his old job at the car dealership. Jimmy is happy that he won't moving and that he can be with his friends.

Where to Watch

Episode 6

Stranded

Thu, May 26, 200524 mins

After a hovercraft accident in the middle of the ocean, Jimmy and Cindy find themselves stranded on a deserted island.

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Episode 7

Jimmy Goes to College

Fri, May 27, 200523 mins

Jimmy is selected to be a student at a prestigious college by Dean Kane, but he learns that college life isn't what it seems for him. Jimmy is treated badly by his classmates and Seymour is secretly sabotaging Jimmy so he can get him expelled. Jimmy soon finds out about Seymour's treachery and he notices that he stole a page from his notebook about molecules. Jimmy enlists Carl and Sheen to help him prove his innocence. Seymour unveils the unstable molecules, but Jimmy and his friends are able to stop the molecules by using glue and metal boards. Dean Kane realizes that Jimmy is innocent and he expels Seymour for stealing Jimmy's idea and for putting the college in danger. Dean Kane offers Jimmy a scholarship, but he declines the offer and he goes back to his school.

Where to Watch

Episode 8

Crouching Jimmy, Hidden Sheen

Tue, Oct 18, 200524 mins

In Retroville, Sheen is just an average hyperactive kid. But in Shangri Llama he is known as The Chosen One, or One Who Puts Foot Behind Head.

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Episode 9

Who's Your Mommy/Clash of the Cousins

Mon, Jun 20, 200524 mins

Who's Your Mommy: A mysterious alien gets attached to Carl during one of Jimmy's missions on a planet. Carl starts to develop unhealthy cravings and he acts hormonal. It is soon discovered the alien inside Carl is an alien jellyfish and the mother is looking for her missing child. Carl allows Shmengo to go home with his mother. Later on, Carl and his friends attend Shmengo's birthday party. Clash of the Cousins: Jimmy must attend his great aunt's birthday party with his family, but his aunt and family members aren't thrilled to have Jimmy attending the party because his inventions have caused more harm than good. Jimmy tries to get into his family's good graces by giving them gifts but it doesn't go as planned and Jimmy gets wrongfully blamed for his actions. Jimmy isn't allowed to attend the party and he has his friends interrogate his cousins to see if they are responsible for framing him, but Gomer and Annabelle are clean. It is soon discovered that Jimmy's baby cousin Eddie is responsible for framing him and he is an evil genius. Eddie plants Godard's battery onto his great aunt's cake, but Jimmy arrives to prevent anyone from getting killed. Jimmy is able to prove his innocence by planting an explosive device into Eddie's rattle, causing everyone to realize that Eddie is responsible for framing Jimmy. Eddie gets punished by his parents for the attempted murder on his great aunt and for incriminating Jimmy.

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Episode 10

Incredible Shrinking Town

Mon, Jan 23, 200624 mins

When the entire population of Retroville is accidentally hit by Jimmy's shrink ray, the Space Bandits abduct everyone with the nefarious plan of marketing and selling them throughout the galaxy as living dolls.

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Episode 11

One of Us/Vanishing Act

Tue, Jan 24, 200624 mins

A new TV show turns everyone in Retroville into mindless and exceedingly cheerful zombies./To impress Betty Quinlin, Jimmy performs a magic show using a cheap magic kit that's full of his own technological upgrades.

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Episode 12

Trouble with Clones

Wed, Jan 25, 200623 mins

Evil Jimmy, one of the clones who has evaded Jimmy previously, is back and he is still causing trouble. Jimmy decides to turn his evil clone good so that he can break DaVinci's inventing record. But Evil Jimmy has a far more sinister plan by cloning an evil planet where evil versions of the inhabitants cause mayhem and chaos. Jimmy must figure out a way to stabilize his planet and put a stop to his evil counterpart's plans.

Where to Watch
The Adventures of Jimmy Neutron: Boy Genius, Season 3 Episode 12 image

Episode 13

The Evil Beneath/Carl Weezer, Boy Genius

Thu, Jan 26, 200624 mins

Carl's pen pal, Elke Elkberg from Sweden is coming to Retroville to meet him, and Carl is in a panic.The boys travel to the Bahama Quadrangle to disprove the myth of the disappearances associated with the mysterious site.

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Episode 14

Who Framed Jimmy Neutron?/Flippy

Fri, Jan 27, 200624 mins

Jimmy is framed for a break in at the Retroville Bank. When Carl and Sheen attempt to free him from his incarceration, the three boys end up on a chain gang together.

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Episode 15

My Big Fat Spy Wedding

Wed, Jul 27, 200524 mins

Jimmy's new mission from the BTSO is to follow Beautiful Gorgeous. He takes the job and he discovers that she and Jet Fusion are getting married!

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Episode 16

The League of Villains

Sat, Jun 18, 200546 mins

King Goobot has organized the most diabolical collection of bad guys to ever assemble on one space station. Their mission: Get Jimmy Neutron.

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Episode 17

How to Sink a Sub/Lady Sings the News

Fri, Nov 17, 200624 mins

When Jimmy hides a time displacement device in the teachers' transportation to the annual education convention, the entire faculty of Lindberg Elementary is sent into temporary time limbo.

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Episode 18

King of Mars

Sat, Nov 25, 200624 mins

Eustace Strych is back, and he's still determined to humiliatingly defeat Jimmy. Now the race to find an energy source on Mars is on! Who will win?

Where to Watch

Episode 19

El Magnifico/Best in Show

Sat, Nov 25, 200623 mins

Goddard is disqualified from the Retroville Pet Show because he is not technically a real dog./SheenÂ's dad, Mr. Estevez desperately wants to impress his son. Mr. Estevez has to pretend he is a superhero in order to impress him.

Where to Watch
The Adventures of Jimmy Neutron: Boy Genius, Season 3 Episode 19 image

Episode 20

The Jimmy Timmy Power Hour 2: When Nerds Collide!

Mon, Jan 16, 2006

Timmy and Jimmy compete with science and magic, attracting the attention of Professior Calamorious.

Where to Watch

Episode 21

The Jimmy Timmy Power Hour 3: The Jerkinators!

Fri, Jul 21, 200648 mins

Timmy Turner is magically sent to the secret lab of none other than Jimmy Neutron, the boy with the genius IQ. How will Timmy and Jimmy get back to each others own worlds?

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Episode 22

Attack of The Twonkies Part 2

Thu, Nov 11, 2004

Jimmy returns from an excavation on the Twonkus-3 comet with a small furry creature burrowed in his soil samples that have a rather violent reaction to music.

Where to Watch

Episode 23

The Jimmy Timmy Power Hour 2: When Nerds Collide Part 2

Mon, Jan 16, 2006

Timmy and Jimmy compete with science and magic, attracting the attention of Professior Calamorious.

Where to Watch