While working on a science fair project, a Philadelphia school boy discovers both a secret laboratory in his basement and Benjamin Franklin, who comes to life after receiving a jolt of electricity.

Dr. Clock invents a time machine, but his trip back to the era of the dinosaurs does not turn out as he had expected.

When thirteen-year-old Ellie's Grandpa Melvin, a world-renowned scientist in the body of a fourteen-year-old boy, comes for an extended visit, he teaches her that experimenting--and failing--is part of life.

Retired scientist Miss Tracy comes to Ella Mentry School to teach about the planets and the solar system and casts A.J. as Uranus in the school play.

While on a field trip to a museum, young twin superheroes Timmy and Tabby battle robotic dinosaurs controlled by a mad scientist who plans to take over the world.

Cece, a budding and inquisitive scientist, and her equally curious best friend Isaac conduct experiments to see whether Cece's dog Einstein will eat his vegetables.

Twelve-year-olds George, the very unlucky third Lord of Devonshire, and his neighbor, scientist Ada Byron, join forces against a nefarious group of criminals who steal the map to a priceless family heirloom.

Sam, Lucy, and Antonio have a new substitute teacher, who happens to be the great-great-grandson of Orson Eerie, the evil scientist whose spirit possesses and infects their elementary school--and the friends are afraid he may be trying to bring Orson back to life.

Eerie Elementary is planning a big Halloween-type celebration for Eerie Day, including hosting a "haunted house" at the school itself; but the spirit of the evil scientist Orson Eerie sees this as the chance to finally triumph over the intrepid hall monitors, Sam, Lucy, and Antonio--and it is up to them to prevent a catastrophe and perhaps even defeat Orson and banish him from the school forever.

Brilliant but befuddled Professor Phillip Brainard is on the brink of inventing a revolutionary energy source, and missing his wedding for the third time. He develops a miraculous elastic goo that may save Medfield College from its financial problems.