List of The Adventures of Jimmy Neutron: Boy Genius episodes

The following is a list of all The Adventures of Jimmy Neutron: Boy Genius episodes.

Season 1: 2002–2003
Unlike Season 2 or 3, Season 1 of Jimmy Neutron takes a more comical approach to the show, with little development of Jimmy and Cindy's relationship.
 * Jimmy Neutron, Sheen Estevez, and Carl Wheezer were present for all episodes.
 * Libby was absent for 5 episodes.
 * Cindy was absent for 4 episodes.
 * Goddard, Hugh, Judy were absent for the season finale.

Season 2: 2003–2004
In contrast to season one, 22-minute episodes became the norm for season two. It took a mature and slightly more serious approach to the show.
 * Jimmy, Carl, and Sheen were present for all episodes.
 * Libby and Goddard was absent for 3 episodes.
 * Goddard was absent for 2 episodes.
 * Cindy and Judy were both absent for 2 episodes.
 * Hugh was absent for only one episode.

Season 3: 2005–2006
Different screenshots from newer episodes and sound effects are added to the theme song, with the exception of the episodes "Lights, Camera, Danger!", "Fundemonium", "Stranded", "Jimmy Goes to College", and "Who's Your Mommy; Clash of the Cousins" replacing the original theme song from the first two seasons.
 * Jimmy, Carl, and Sheen were present for all episodes.
 * Hugh and Judy were absent for 8 episodes.
 * Cindy, and Libby were absent for 3 episodes.
 * Goddard was absent for 4 episodes.