The Adventures of Jimmy Neutron: Boy Genius: Season 3
Season 3 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- Directly follows the overarching narrative developments of The Adventures of Jimmy Neutron: Boy Genius Season 2.
- Faction dynamics and core character alliances shift under escalating external stakes.
- Crucial mysteries introduced previously reach key turning points and narrative reckonings.
- Sets up serialized story arcs that build directly toward the climactic season finale.
Episode Guide
Season 3 Progress Shield
Lights! Camera! Danger!
Nov 27, 2004
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.
The N Men
Nov 27, 2004
After a run in with a radiation belt in outer space, Jimmy, Cindy, Carl, Sheen and Libby are all endowed with super powers.
The Tomorrow Boys
May 23, 2005
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?
Fundemonium
May 24, 2005
Jimmy's dad loses his job at the now-defunct automotive plant which means that the Neutrons may have to move to a new town. As a last-ditch effort to keep the family in Retroville,
Stranded
May 26, 2005
A trip gone wrong ends up turning even worse when Jimmy and Cindy get into an argument that winds up getting them stranded together.
Jimmy Goes to College
May 27, 2005
Jimmy is recruited by the most prestigious science college in the country to be their new superstar student. But when he gets there, Jimmy becomes the unwitting target of rival stu
Who's Your Mommy?
Jun 20, 2005
On a trip to Planet Schmengy, a strange alien substance attaches itself to Carl's face.
Clash of the Cousins
Jun 20, 2005
The Neutron family has gathered to celebrate Great Aunt Amanda's birthday. When Jimmy's present explodes, everyone suspects him of fowl.
My Big Fat Spy Wedding
Jul 22, 2005
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!
Crouching Jimmy, Hidden Sheen
Nov 18, 2005
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.
The Incredible Shrinking Town
Jan 23, 2006
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 througho
One of Us
Jan 24, 2006
A new TV show turns everyone in Retroville into mindless and exceedingly cheerful zombies.
Vanishing Act
Jan 24, 2006
To impress Betty Quinlan, Jimmy performs a magic show using a cheap magic kit that's full of his own technological upgrades.
The Trouble with Clones
Jan 25, 2006
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.
The Evil Beneath
Jan 26, 2006
The boys travel to the Bahama Quadrangle to disprove the myth of the disappearances associated with the mysterious site.
Carl Wheezer: Boy Genius
Jan 26, 2006
Carl's pen pal, Elke Elkberg from Sweden, is coming to Retroville to meet him, and Carl is in a panic.
Who Framed Jimmy Neutron?
Jan 27, 2006
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.
Flippy
Jan 27, 2006
Jimmy places a funny chip into Hugh's new Flippy puppet when he insists on using it for Career Day at school. But Jimmy soon learns that Flippy is stealing his dad's mind and has t
How to Sink a Sub
Nov 17, 2006
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 tim
Lady Sings the News
Nov 17, 2006
The kids become news anchors for a local television network.
King of Mars
Nov 25, 2006
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?
El Magnifico
Nov 25, 2006
Sheen's dad, Mr. Estevez desperately wants to impress his son, so he pretends he is a superhero.
Best in Show
Nov 25, 2006
Goddard is disqualified from the Retroville Pet Show because he is not technically a real dog.