Crystal Scales as Libby Folfax (voice)
Episodes 37
Hypno-Birthday to You!
In order to get his new chemistry set right away, Jimmy hypnotizes his parents.
Read MoreKrunch Time
Jimmy comes up with a snack that is even tastier than everyone's favorite.
Read MoreSubstitute Creature
Miss Fowl swallows a seed from Jimmy's DNA-accelerated spinach plant turning her into a 50-foot plant.
Read MoreSafety First
Jimmy creates an electronic bodyguard to protect him from a bully.
Read MoreParty 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?
Read MoreBroadcast 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).
Read MoreThe Egg-pire Strikes Back
The Yolkians have come to earth, but this time they seek out only peace and brotherhood with the people of Retroville. While Jimmy Neutron suspects the worst, everyone in town is ready to forgive and forget.
Read MoreA Beautiful Mine
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.
Read MoreBeach Party Mummy
Bored by a class documentary on mummies, Jimmy decides to take Carl, Sheen, Libby, and Cindy along with him to see the real deal.
Read MoreGrumpy Young Men
They boys use a metabolic accelerator to make them old enough to buy a violent video game.
Read MoreNightmare in Retroville
In order to have the scariest Halloween costumes ever, Jimmy uses his latest invention to morph Carl and Sheen into a Vampire and a Werewolf.
Read MoreMonster Hunt
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.
Read MoreReturn of the Nanobots
Jimmy attempts to update the mischievous Nanobots in order to correct errors in his homework, but the Nanobots take it upon themselves to correct everything - even the human race!
Read MoreHolly Jolly Jimmy
Jimmy is convinced that Santa Claus does not exist. To prove his theory, he travels to the North Pole where he discovers a remote toy factory.
Read MoreLove Potion #976/J
A laboratory mishap exposes Jimmy, Carl and Sheen to a powerful pheromone that causes each of them to fall madly in love with the next female they see.
Read MoreSheen's Brain
Sheen is one math test away from being left back, so Jimmy turns his Brain Drain helmet into a Brain Gain helmet and uses it on his buddy, instantly quadrupling Sheen's IQ.
Read MoreSend in the Clones
Jimmy clones himself so he doesn't have to do chores.
Read MoreThe Great Egg Heist
Jimmy must help Asian Princess Peggy Tsu retrieve the Egg Drop Jade before her evil brother steals it.
Read MoreThe Science Fair Affair
Cindy Vortex leads a campaign to ban Jimmy from the school's science fair.
Read MoreThe Jimmy Timmy Power Hour
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 other's own worlds?
Read MoreMen At Work
Carl, Sheen, and Jimmy take jobs at a local burger joint. Jimmy transforms it to a fully automated restaurant that aims to please the customers and destroy the competition.
Read MoreBillion Dollar Boy
Jimmy and company are invited to the home of a spoiled boy billionaire - who wants Jimmy's dog.
Read MoreLights! Camera! Danger!
Famous film director Quintin Smithee is coming to Retroville to make his next big movie, and Jimmy, Cindy, Libby, Sheen and Carl all have starring roles.
Read MoreThe Tomorrow Boys
Jimmy, Sheen, and Carl travel 15 years into the future, only to find that some things have gone wrong. Can they right the past to save their future?
Read MoreWho's Your Mommy?
On a trip to Planet Schmengy, a strange alien substance attaches itself to Carl's face.
Read MoreMy Big Fat Spy Wedding
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!
Read MoreCrouching Jimmy, Hidden Sheen
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.
Read MoreJimmy Timmy Power Hour 2 - When Nerds Collide
Jimmy Neutron and Timmy Turner vie against each other for Cindy's affections and Professor Calamitous employs Cosmo and Wanda in his evil plans.
Read MoreThe Incredible Shrinking Town
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.
Read MoreThe Trouble with Clones
The evil Jimmy clone is back, and he's reconfigured the cloning device to make an evil clone of the Earth with an alarming side effect – the real Earth is starting to disappear.
Read MoreJimmy Timmy Power Hour 3 - The Jerkinators!
Jimmy and Timmy are at it again: bickering over the affections of Cindy, but somehow end up fighting off enemies together!
Read MoreHow to Sink a Sub
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.
Read MoreKing of Mars
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?
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