Seasons & episodes
S1 · E16Hall Monster 2002-11-01 · 12 min
When the old tyrant of a hall monster leaves, Jimmy is picked as his replacement.
S1 · E17Hypno-Birthday to You! 2002-11-01 · 12 min
In order to get his new chemistry set right away, Jimmy hypnotizes his parents.
S1 · E18Krunch Time 2002-11-15 · 12 min
Jimmy comes up with a snack that is even tastier than everyone's favorite.
S1 · E19Substitute Creature 2002-11-15 · 12 min
Miss Fowl swallows a seed from Jimmy's DNA-accelerated spinach plant turning her into a 50-foot plant.
S1 · E20Safety First 2002-11-30 · 12 min
Jimmy creates an electronic bodyguard to protect him from a bully.
S1 · E21Crime Sheen Investigation 2002-11-30 · 12 min
Sheen's oldest and most prized UltraLord is missing! It's up to Jimmy, playing a high-tech Sherlock Holmes, to find it.
S1 · E22Journey to the Center of Carl 2003-01-31 · 12 min
Jimmy creates a "get out of school sick" patch.
S1 · E23Aaughh!! Wilderness!! 2003-01-31 · 12 min
Hugh takes Jimmy, Sheen, and Carl on a camping trip into the wilderness, allowing no technology whatsoever. So what will save them when a big problem comes along?
S1 · E24Party at Neutron's 2003-02-17 · 12 min
Sheen and Carl convince Jimmy to throw a party when his parents go out to watch Ducks. But when Hugh and Judy come home early, how can Jimmy convince his guests to leave?
S1 · E25Ultra Sheen 2003-02-17 · 12 min
Jimmy uses his Neutronic Game Cube to send Sheen into his favorite Ultra Lord video game.
S1 · E26Broadcast Blues 2003-03-14 · 12 min
Jimmy lands the spot of host on Lindbergh Elementary's Public Access show! When the show fails miserably, Cindy and Libby are brought in as producer and co-star, changing informative Science With Jimmy to flashy Funky Jam Dance Party (with some science).
S1 · E27Professor Calamitous, I Presume 2003-03-14 · 12 min
The mad Professor Finbarr Calamitous schemes to make Jimmy his "scientific slave."
S1 · E28Maximum Hugh 2003-05-17 · 12 min
At the parent-child picnic, Jimmy gives his dad a bionic sweatband to help their team beat Cindy's.
S1 · E29Sleepless in Retroville 2003-05-17 · 12 min
Jimmy is hosting a sleepover with Carl and Sheen! To make it the best slumber party in history, Jimmy invents a machine to make perfect pillows for pillow fights, create made-to-order pizzas, and tell scream-your-head-off scary stories. But what happens if the invention is overloaded and the programs mix up?
S1 · E30Make Room for Daddy-O 2003-06-06 · 22 min
The Father's Day talent show is a few days away so Jimmy invents a device that turns dorky Hugh into the coolest dad in Retroville.
S1 · E31A Beautiful Mine 2003-08-01 · 23 min
Jimmy, Carl, Sheen, Cindy, Libby, and Goddard blast off into space in Jimmy's newly invented spaceship to mine for aster-rubies while fighting off space bandits and their own greed.
S1 · E32Sorry, Wrong Era 2003-09-05 · 23 min
Jimmy invents the Quantum Replay 9000 which enables him to go back in time. Hugh accidentally sends Jimmy, Carl, and Sheen back 200 million years.
S2 · E1Beach Party Mummy 2003-09-19 · 23 min
Bored by a class documentary on mummies, Jimmy decides to take Carl, Sheen, Libby, and Cindy along with him to see the real deal.
S2 · E2The Retroville 9 2003-10-03 · 12 min
Jimmy's determination to captain a winning baseball team leads him to rev up the equipment with Neutronic technology.
S2 · E3Grumpy Young Men 2003-10-03 · 12 min
They boys use a metabolic accelerator to make them old enough to buy a violent video game.
S2 · E4Nightmare in Retroville 2003-10-29 · 23 min
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.
S2 · E5Monster Hunt 2003-11-11 · 12 min
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.
S2 · E6Jimmy For President 2003-11-11 · 12 min
Jimmy runs for class president against Sheen, Libby and Bolbi - the new kid.
S2 · E7Return of the Nanobots 2003-11-14 · 23 min
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!