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!

Arnold's so excited he doesn't have to go on a field trip! But when he accidentally swallows his miniaturized class, he becomes the field trip!

Ralphie is crushed when a fever keeps him home from school the day he's scheduled to host a FNN (Frizzle News Network) television broadcast on health. With Tyne Daly as Ralphie’s mom.

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.