The Magic School Bus

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.

Keesha and the class return from vacation to find her prize cucumber has turned into a pickle! Could the Mike Robe gang be to blame?

Liz has gone off to a mysterious place called "Herp Haven." Thinking she's in trouble, the class rushes to Herp Haven, where they turn into reptiles.

Tim's beekeeper Grandfather has the sweetest honey in town. Ms. Frizzle turns her class into bees so they can visit a hive and learn how raw honey is processed firsthand

Ms. Frizzle transports the class into a 1950s horror movie, where a 50-foot praying mantis is wreacking havoc on the town.

It's the last day of school before the winter holidays, and Wanda plans to see the Nutcracker ballet. But during a trip to a recycling plant, her toy soldier accidentally gets recycled. Devastated, Wanda wishes for a world without recycling. Ms. Frizzle activates the bus's un-recycler, taking the class on a song-filled field trip.

The principal, Mr. Ruhle, has to go away for a few days and leaves his beloved chicken, Giblets, in Dorothy Ann's care.