The title card for Fundemonium.

Episode 4
Season 3
Invention Baby Quackers
Malibu Death Machine
Previous Lights! Camera! Danger!
Next Stranded

Fundemonium is the fourth episode of Season 3.


After the car company Hugh works for decides to close down for good because everyone has a car now, the Neutrons are faced with the awful prospect of moving. To stay in Retroville, Hugh becomes a toy inventor, and Jimmy modifies each toy to do incredible things. Meanwhile, Carl and Sheen are devastated about losing Jimmy and try to replace him with Bolbi and suffer from boredom. Eventually, Jimmy becomes exhausted from improving his father's toys and falls asleep. So when Hugh arrives and finds the toy, he mistakes Jimmy's Nanobots for talking batteries and they escape to wreak havoc on Retroville. Ultimately, Jimmy reunites with Carl and Sheen to stop the Nanobots and Hugh gets his job back at the car company due to the fact that peoples' cars were destroyed in the rampage and the car company is now reopened for business and the Neutrons decide to stay in Retroville where they belong and Carl and Sheen are glad that Jimmy is staying in Retroville.


Hugh: Jimbo, go up and start packing. Gotta move if I want to keep my job.

Jimmy: We're moving?!

Carl: You're moving?!

Sheen: Your dad has a job?

Judy: So, your father's company is moving. That means our lives are ruined! I mean...

Red Nanobot: You have anger issues.

Orange Nanobot: (while hitting Red Nanobot) Yes, this is helping. 


  • This is the last episode and the only season 3 episode where Jimmy makes a Brain Blast.
  • Hugh's job was revealed in an issue of Nickelodeon Magazine promoting the movie. This is the first time it is used in the series. 
  • The mask the nanobots wear is possibly a reference to Silence of the Lambs. 
  • The instrumental that plays in the episode sounds like Outkast's 2003 hit song "Hey Ya".
  • Derryville is named after Debi Derryberry
  • Carl says "Hasta la vista babies" a reference to Arnold Schwarzenegger's famous line from Terminator 2: Judgment Day "Hasta la vista baby" which originated from the classic Jody Watley song "Looking for a New Love."
The Adventures of Jimmy Neutron: Boy Genius: Season 3
Attack of the Twonkies (movie) | Lights! Camera! Danger! | Fundemonium | Stranded | Jimmy Goes to College | The N-Men | The Tomorrow Boys | My Big Fat Spy Wedding | Who's Your Mommy | Clash of the Cousins | Crouching Jimmy, Hidden Sheen | The Incredible Shrinking Town | One of Us | Vanishing Act | The Trouble with Clones | The Evil Beneath | Carl Wheezer, Boy Genius | Who Framed Jimmy? | Flippy | King of Mars | El Magnifico | Best in Show | How to Sink a Sub | Lady Sings the News | The League of Villains (movie)

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