Episode 1
Beach Party Mummy
September 19, 2003
Bored by a class documentary on mummies, Jimmy decides to take Carl, Sheen, Libby, and Cindy along with him to see the real deal.
Episode 2
The Retroville 9
October 3, 2003
Jimmy's determination to captain a winning baseball team leads him to rev up the equipment with Neutronic technology.
Episode 3
Grumpy Young Men
October 3, 2003
They boys use a metabolic accelerator to make them old enough to buy a violent video game.
Episode 4
Nightmare in Retroville
October 29, 2003
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.
Episode 5
Monster Hunt
November 11, 2003
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.
Episode 6
Jimmy For President
November 11, 2003
Jimmy runs for class president against Sheen, Libby and Bolbi - the new kid.
Episode 7
Return of the Nanobots
November 14, 2003
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!
Episode 8
Holly Jolly Jimmy
December 8, 2003
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.
Episode 9
Love Potion #976/J
February 13, 2004
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.
Episode 10
Sheen's Brain
March 8, 2004
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.
Episode 11
MaternoTron Knows Best
March 9, 2004
While Judy Neutron takes a spa vacation, Jimmy invents The Maternotron 6000 to take care of the house.
Episode 13
The Great Egg Heist
March 10, 2004
Jimmy must help Asian Princess Peggy Tsu retrieve the Egg Drop Jade before her evil brother steals it.
Episode 14
The Feud
March 10, 2004
Jimmy and Carl get caught in the middle of a feud between their dads.
Episode 15
Out, Darn Spotlight
March 11, 2004
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.
Episode 16
The Junkman Cometh
March 12, 2004
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.
Episode 17
Foul Bull
March 26, 2004
During a class trip to a rodeo, Jimmy, Carl and Sheen fall for a cute little cowgirl named Sally.
Episode 18
The Science Fair Affair
March 26, 2004
Cindy Vortex leads a campaign to ban Jimmy from the school's science fair.
Episode 19
Men at Work
June 2, 2004
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.
Episode 20
The Mighty Wheezers
June 7, 2004
Jimmy designs a temporary remedy at the Wheezers' house so he and Carl can have fun.
Episode 21
Billion Dollar Boy
June 7, 2004
Jimmy and company are invited to the home of a spoiled boy billionaire - who wants Jimmy's dog.
