Jimmy Neutron Trivia
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49 free Jimmy Neutron trivia questions with answers — entertainment quiz, new questions added Oct 2026.
Jimmy Neutron started life as Johnny Quasar in a 40-second demo, became Nickelodeon's first CGI movie in 2001, and then ran for three seasons on TV. This quiz covers the whole franchise: the film and its Oscar nomination, the series and its crossovers with The Fairly OddParents, the Planet Sheen spin-off, the video games and the Universal Studios ride. Easy questions ask where Jimmy lives, what Carl is obsessed with and who abducts Retroville's parents. Harder ones get into who voiced King Goobot in the movie, why the character's name was changed, which pop-punk band did the film's theme, how many months the movie took to animate and which physicist Goddard is named after. Every answer has been checked against the Wikipedia articles on the film, the series, the characters and the cast, and each question shows its source once you have answered.
30 of 49 questions with answers and explanations. Play the quiz
Q 01In the 2001 film, all the parents in Jimmy's town are abducted by aliens shaped like what?
Eggs
Eggs: the Yolkians are green, yolk-like aliens who float about in egg-shaped anti-gravity suits, and they take the parents to sacrifice them to their god.
Q 02Which voice actress has played Jimmy since the 1998 test pilot?
Debi Derryberry
Debi Derryberry won the part over Nancy Cartwright, E. G. Daily and Pamela Adlon, who were all considered for it, and has voiced Jimmy in the film, the series and the games.
Q 03What is the name of Jimmy's hometown?
Retroville
Retroville is the town that loses its grown-ups: in the film aliens carry off all its parents in a single night, and the children wake to find themselves in charge.
Q 04In Jimmy Neutron: Boy Genius, the children chase the aliens in rocket ships built from what?
Amusement park rides
Amusement park rides: Jimmy has the town's children turn the rides of the new local park into a space armada, and within days they blast off after their parents.
Q 05Jimmy Neutron was first called Johnny Quasar, a name Nickelodeon found too close to which cartoon hero?
Jonny Quest
Jonny Quest was too close for Nickelodeon, so creator John A. Davis thought up new names while walking his dog round the block; 'Johnny Quasar' had begun as his own nickname at a summer job.
Q 06Which Star Trek captain voiced King Goobot in Jimmy Neutron: Boy Genius?
Patrick Stewart
Patrick Stewart voiced King Goobot only in the film: the king survives its final blast vowing revenge, and comes back for it in the TV series with a new voice, S. Scott Bullock's.
Q 07Which SCTV comedian voiced Ooblar, King Goobot's bumbling assistant, in Jimmy Neutron: Boy Genius?
Martin Short
Martin Short voiced Ooblar in the film; the series later reveals that the hapless sidekick was traded to the Bulgosians for sulfur butter.
Q 08In Jimmy Neutron: Boy Genius, what is the 'shooting star' on which the boys wish their parents away?
The departing alien ships
The departing alien ships: the parents are already aboard when the boys make their wish, so next morning it seems to have come true, and the town's children throw a wild party.
Q 09Carl Wheezer is passionately obsessed with which animal?
Llamas
Llamas: Carl covers his room in posters of them, plays llama-themed video games and joined a fan club, the Llama Love Society, that he probably founded himself.
Q 10Which fictional superhero is Sheen unhealthily obsessed with?
UltraLord
UltraLord: Sheen owns the biggest collection of the hero's action figures and takes offence whenever anyone calls them dolls.
Q 11What is Hugh Neutron's favourite hobby?
Duck decoys
Duck decoys: Jimmy's duck-obsessed dad collects them, buffs them and displays them all around the house.
Q 12Which member of Jimmy Neutron's family does Carl Wheezer have a long-running crush on?
His mother
His mother: Carl's crush on Judy Neutron is a running gag, and he has even taped his own face over her husband's in family photos.
Q 13Jimmy's middle name references which scientist?
Isaac Newton
Isaac Newton: the boy genius is James Isaac Neutron in full, a name Judy Neutron is famous for shouting whenever she is about to scold him.
Q 21Which classmate, the most popular girl at school, is Jimmy Neutron's crush for most of the series?
Betty Quinlan
Betty Quinlan is the school sweetheart: she is usually nice to Jimmy and can get him to do things he never otherwise would, yet she never returns his feelings.
Q 22Jimmy Neutron's Nicktoon Blast was a simulator ride at which theme park from 2003 to 2011?
Universal Studios Florida
Universal Studios Florida opened the ride in 2003 in place of The Funtastic World of Hanna-Barbera: riders chased Ooblar, who had stolen Jimmy's newest rocket, until the Minions took over the site.
Q 23Which classmate is the cool, skateboarding, most popular boy at Jimmy Neutron's school?
Q 14Jimmy's robot dog is named after which pioneer of rocketry?
Robert Goddard
Robert Goddard, the rocket pioneer, lends his surname to a dog who can fly and who, told to play dead, blows himself to pieces and then reassembles.
Q 15What does Jimmy exclaim once he has worked out a plan?
Brain blast!
Brain blast! comes after a muttered 'Gotta think...', while Jimmy replays everything he has seen during the crisis until the answer clicks.
Q 16Which film beat Jimmy Neutron: Boy Genius to the first Best Animated Feature Oscar?
Shrek
Shrek took the first Best Animated Feature Oscar over Jimmy Neutron and Monsters, Inc.; the ballot held only three films because the new category's rules allowed five nominees only in a year with more eligible entries.
Q 17Which film was No. 1 when Jimmy Neutron opened?
The Fellowship of the Ring
The Fellowship of the Ring led that December 2001 weekend, with Ocean's Eleven second, but Jimmy Neutron then did something rare for a wide release: it earned more in its second weekend than in its first.
Q 18Jimmy Neutron: Boy Genius was a first among computer-animated films because it was made entirely with what?
Off-the-shelf software
Off-the-shelf software: instead of writing its own tools, the studio used animation programs anyone could buy, and went from script to screen in two years, about half the usual time for an animated feature.
Q 19Who is Cindy Vortex's best friend, the cool girl of Jimmy Neutron's class?
Libby Folfax
Libby Folfax is Cindy's best friend, and in the film it is her cellphone that lets Jimmy call his robot dog to break the children out of the alien dungeon.
Q 20Which pop-punk band performed the theme song for the film Jimmy Neutron: Boy Genius?
Bowling for Soup
Bowling for Soup revamped and extended the theme for the film, but the TV series kept the original, written for the pilot by surf-rock guitarist Brian Causey.
Nick Dean
Nick Dean is the cool kid: in the film it is he who talks Jimmy, Carl and Sheen into sneaking out at night against their parents' orders.
Q 24The Jimmy Timmy Power Hour crossed Jimmy over with which Nickelodeon series?
The Fairly OddParents
The Fairly OddParents: the three crossover specials drew Dimmsdale in traditional 2D and Jimmy's world in CGI, and Cindy fell for Timmy along the way.
Q 25In Jimmy Neutron: Boy Genius, why is Jimmy's teacher the only adult the aliens fail to abduct?
She had been shrunk
She had been shrunk by Jimmy's shrink ray without his noticing, so the aliens miss her; the film's last scene finds her still tiny, riding a worm down the school hall.
Q 26Which 2005 video game teamed Jimmy with SpongeBob, Danny Phantom and Timmy Turner?
Nicktoons Unite!
Nicktoons Unite! sends the four heroes after a team-up of villains from each of their shows; an Xbox version was announced as well but never came out.
Q 27What is the name of Jimmy Neutron's evil double, the villain of a 2002 video game?
Jimmy Negatron
Jimmy Negatron comes from another dimension: he traps Jimmy and his robot dog in cages in his own lair, then crosses over to take the hero's town for himself.
Q 28Which Rocky Horror Picture Show star voices Professor Calamitous, the villain who can never finish anything?
Tim Curry
Tim Curry voices Professor Calamitous, a brilliant former pupil at Jimmy's own school who always failed because he could never finish anything.
Q 29What is the name of Professor Calamitous's villainous daughter?
Beautiful Gorgeous
Beautiful Gorgeous only ever wanted to be the person who puts the little plastic tips on shoelaces, but her father forced her into villainy.
Q 30Carolyn Lawrence, the voice of Cindy Vortex, is also the voice of which SpongeBob SquarePants character?
Sandy Cheeks
Sandy Cheeks: Carolyn Lawrence voices both the squirrel who spars at karate with SpongeBob and the girl who trades insults with Jimmy from across the street.