A young genius invents gadgets to solve problems as they appear. Alongside his robotic dog Goddard and his best friends Sheen and Carl, Jimmy attends Lindberg Elementary, but often finds himself in a bit of mischief.
EPISODE 2
Normal Boy/Birth of a Salesman
Jimmy reduces his brain power with a machine; Jimmy invents a robotic salesman as he seeks to win the school's candy selling contest and win a trip.
EPISODE 3
Brobot/The Big Pinch
Jimmy gets fed up with being an only child and builds the little brother he never had; Jimmy brings Thomas Edison into the present.
EPISODE 4
Episode 3
Jimmy's gran gets turned into a baby when she comes to babysit; Jimmy travels back in time and gives his parents some advice that makes the Neutrons amazingly rich.
EPISODE 5
Episode 5
Jimmy invents a machine that he hopes can cure Carl's nightmares; Cindy and Jimmy collaborate on a science project.
EPISODE 6
Episode 2
Jimmy plunges Retroville into a new ice age by mistake; Sheen, Carl and Jimmy form a band for the school talent contest.
EPISODE 7
See Jimmy Run/Trading Faces
Jimmy adapts his running shoes so that he can move at lightning speed; Jimmy's mind-reading machine accidentally transfers his mind into Cindy's head.
Debi Derryberry
Jeff Garcia
Mark DeCarlo
Rob Paulsen
Megan Cavanagh
Carolyn Lawrence
Crystal Scales
Andrea Martin
Frank Welker
Keith Alcorn
Mike Gasaway