E01 · When Pants Attack 24m
7/20/2002
Since Jimmy's a scientist, he has more important things to do than pick up his pants - like invent a device that'll do that chore for him. But when the nanochip develops advanced brainial capacity, Jimmy's pants lead an attack on the city of Retroville!
E02 · Normal Boy 12m
9/6/2002
Jimmy is tired of being a genius, so he decides to drain his brain to normal capacity. But when a big meteor heads straight for Retroville, who will save the day?
E03 · Birth of a Salesman 12m
9/6/2002
Miss Fowl's class has a candy-selling contest, with the grand prize being a trip to Retroland! To beat Cindy in the contest, Jimmy invents a robot programmed to sell candy no matter what.
E04 · Brobot 12m
9/13/2002
In his lab, Jimmy constructs the perfect little brother he never had, "Brobot".
E05 · The Big Pinch 12m
9/13/2002
To settle an argument with Cindy, Jimmy brings Thomas Edison to school.
E06 · Granny Baby 12m
9/20/2002
Jimmy's Granny comes to visit and he gives her his new youth tonic potion.
E07 · Time Is Money 12m
9/20/2002
Jimmy goes 15 years into the past to a time when his parents were swinging sweethearts.
E08 · Raise the Oozy Scab 12m
9/27/2002
Jimmy and Cindy are forced to collaborate on a science project involving hidden treasure.
E09 · I Dream of Jimmy 12m
9/27/2002
Jimmy invents the Dream Injector 5000 and enters Carl's dream to figure out what he is afraid of.
E10 · Jimmy On Ice 12m
10/4/2002
Jimmy's attempt to cool off the summer heat wave results in a new Ice Age.
E11 · Battle of the Band 12m
10/4/2002
Jimmy, Carl and Sheen form a band in order to beat out Cindy and Libby for the talent contest first prize.
E12 · See Jimmy Run 12m
10/14/2002
To get revenge on Cindy for winning a race, Jimmy adapts his running shoes so he can move at lightning speed.
E13 · Trading Faces 12m
10/14/2002
Jimmy comes up with an invention that allows him to read Cindy's mind.
E14 · The Phantom of Retroland 12m
10/30/2002
Jimmy tries to disprove Nick's scary tale about the Phantom of Retroland.
E15 · My Son, the Hamster 12m
10/30/2002
Jimmy's teleporting goof-up leads to him switching heads with Carl's pet hamster.
E16 · Hall Monster 12m
11/1/2002
When the old tyrant of a hall monster leaves, Jimmy is picked as his replacement.
E17 · Hypno-Birthday to You! 12m
11/1/2002
In order to get his new chemistry set right away, Jimmy hypnotizes his parents.
E18 · Krunch Time 12m
11/15/2002
Jimmy comes up with a snack that is even tastier than everyone's favorite.
E19 · Substitute Creature 12m
11/15/2002
Miss Fowl swallows a seed from Jimmy's DNA-accelerated spinach plant turning her into a 50-foot plant.
E20 · Safety First 12m
11/30/2002
Jimmy creates an electronic bodyguard to protect him from a bully.
E21 · Crime Sheen Investigation 12m
11/30/2002
Sheen's oldest and most prized UltraLord is missing! It's up to Jimmy, playing a high-tech Sherlock Holmes, to find it.
E22 · Journey to the Center of Carl 12m
1/31/2003
Jimmy creates a "get out of school sick" patch.
E23 · Aaughh!! Wilderness!! 12m
1/31/2003
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?
E24 · Party at Neutron's 12m
2/17/2003
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?
E25 · Ultra Sheen 12m
2/17/2003
Jimmy uses his Neutronic Game Cube to send Sheen into his favorite Ultra Lord video game.
E26 · Broadcast Blues 12m
3/14/2003
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).
E27 · Professor Calamitous, I Presume 12m
3/14/2003
The mad Professor Finbarr Calamitous schemes to make Jimmy his "scientific slave."
E28 · Maximum Hugh 12m
5/17/2003
At the parent-child picnic, Jimmy gives his dad a bionic sweatband to help their team beat Cindy's.
E29 · Sleepless in Retroville 12m
5/17/2003
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?
E30 · Make Room for Daddy-O 24m
6/6/2003
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.
E31 · A Beautiful Mine 24m
8/1/2003
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.
E32 · Sorry, Wrong Era 24m
9/5/2003
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.