|The Evil Beneath|
|Airdate||January 26, 2006|
|Previous||The Trouble with Clones|
|Next||Carl Wheezer, Boy Genius|
"The Evil Beneath" is the first half of the fifteenth episode of season three.
Jimmy, Carl, and Sheen are trapped in Dr. Moist's lair, who captures innocent tourists and turns them into Algae Men by inviting them to eat food with him. When they eat the green algae seeds they turn green, then they turn into Algae Men. Which it explains the disappearances in the Bahama Quadrangle. However, they encounter a fog containing unknown monsters at the end.
- The Bahama Quadrangle’s a parody of the Bermuda Triangle, which is a loosely-defined region in the western part of the North Atlantic Ocean where a number of aircraft and ships are said to have disappeared under mysterious circumstances.
- Jeff Bennett would later use the voice he used for Dr. Moist for Dorkus on Planet Sheen.
- Fourth Wall Break, After Jimmy said, "Granted he's a little eccentric", then he faces the screen and then he points his finger to the right of him to make the camera zoom to Sheen.
- Cindy, Libby, Hugh, Judy and Goddard do not appear in this episode.
|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)|