1Beach Party Mummy
Bored by a class documentary on mummies, Jimmy decides to take Carl, Sheen, Libby, and Cindy along with him to see the real deal.
2The Retroville 9
Jimmy's determination to captain a winning baseball team leads him to rev up the equipment with Neutronic technology.
3Grumpy Young Men
They boys use a metabolic accelerator to make them old enough to buy a violent video game.
4Nightmare in Retroville
In order to have the scariest Halloween costumes ever, Jimmy uses his latest invention to morph Carl and Sheen into a Vampire and a Werewolf.
5Monster Hunt
Jimmy, Sheen, Carl and Captain Betty set out on a mission to capture the lake monster that has haunted Lake Retroville for at least six months.
6Jimmy For President
Jimmy runs for class president against Sheen, Libby and Bolbi - the new kid.
7Return of the Nanobots
Jimmy attempts to update the mischievous Nanobots in order to correct errors in his homework, but the Nanobots take it upon themselves to correct everything - even the human race!
8Holly Jolly Jimmy
Jimmy is convinced that Santa Claus does not exist. To prove his theory, he travels to the North Pole where he discovers a remote toy factory.
9Love Potion #976/J
A laboratory mishap exposes Jimmy, Carl and Sheen to a powerful pheromone that causes each of them to fall madly in love with the next female they see.
10Sheen's Brain
Sheen is one math test away from being left back, so Jimmy turns his Brain Drain helmet into a Brain Gain helmet and uses it on his buddy, instantly quadrupling Sheen's IQ.
11MaternoTron Knows Best
While Judy Neutron takes a spa vacation, Jimmy invents The Maternotron 6000 to take care of the house.
12Send in the Clones
Jimmy clones himself so he doesn't have to do chores.
13The Great Egg Heist
Jimmy must help Asian Princess Peggy Tsu retrieve the Egg Drop Jade before her evil brother steals it.
14The Feud
Jimmy and Carl get caught in the middle of a feud between their dads.
15Out, Darn Spotlight
Jimmy is desperate to get the starring role opposite dream girl Betty Quinlan in the school musical, "Macbeth in Space." But the only part he can land is the FX master backstage.
16The Junkman Cometh
Jimmy must rescue Brobot's parents from the terrifying Junk Man, a galactic space scoundrel who plans to dismantle the robots and sell their parts to the highest bidder.
17Foul Bull
During a class trip to a rodeo, Jimmy, Carl and Sheen fall for a cute little cowgirl named Sally.
18The Science Fair Affair
Cindy Vortex leads a campaign to ban Jimmy from the school's science fair.
19Men at Work
Carl, Sheen, and Jimmy take jobs at a local burger joint. Jimmy transforms it to a fully automated restaurant that aims to please the customers and destroy the competition.
20The Mighty Wheezers
Jimmy designs a temporary remedy at the Wheezers' house so he and Carl can have fun.
21Billion Dollar Boy
Jimmy and company are invited to the home of a spoiled boy billionaire - who wants Jimmy's dog.
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Win, Lose and Kaboom! part 3