An eccentric schoolteacher takes her class on wondrous educational field trips with the help of a magical school bus In the city (topic: city critters): Tim thinks the zoo is the only place in the city wild animals can survive. To test this theory Ms. Frizzle turns the class into critters! Cracks a yolk (topic: eggs): The principal goes away for a few days and leaves his chicken, Giblets, in Dorothy Ann's care. The Friz shows the class how eggs...

Arnold's know-it-all cousin Janet drives the kids crazy when she joins Ms. Frizzle's class on a field trip and gets them lost in outer space!

Ms. Frizzle combines Dorothy Ann's physics and Ralphie's baseball into a "Frictionless Baseball Game."

The class needs a new mascot for its soccer team. Phoebe suggests butterflies, but everyone thinks they're wimpy -- until The Friz flutters in!

Ms. Frizzle and her class are under pressure, air pressure that is when they fly inside an empty jar to find out just why plain old air is pushy stuff!

It's the International Show-and-Tell Competition. Arnold brings in a webbed hoop, given by his great-aunt, a famous archaeologist, but what is it?

Gravity pulls on Phoebe, so she can't slam-dunk. Ms. Frizzle takes the class into space and turns the Bus into a planet - with adjustable gravity!