Season 1 - Episode Guide

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's students explore Arnold's digestive system after he accidentally swallows his miniaturized classmates.

While Ralphie hosts a TV broadcast from his sickbed, his classmates seek to discover the cause of his illness.

Establishing a connection between a soggy shoe and a tuna sandwich leads to an ocean field trip.

Ms. Frizzle's miniaturized class becomes a mechanical frog so it can hop along in search of Wanda's missing pet.

On "Accidental Science Project Day," the class takes a close look at what's rotting in an abandoned lot.

Phoebe is on a mission to save plants and animals living in the desert, and Ms. Frizzle takes the class to the desert to see the environment first hand.

It's Ms. Frizzle's birthday, and a field trip to the bakery seems perfect — until the Bus's shrinker-scope goes on the fritz and the class gets baked in a cake! With Dom DeLuise as the Baker.