Arnold's know-it-all cousin Janet drives the kids crazy when she joins Ms. Frizzle's class on a fiel...

Arnold's so excited he doesn't have to go on a field trip! But when he accidentally swallows his min...

Ralphie is crushed when a fever keeps him home from school the day he's scheduled to host a FNN (Fri...

Arnold and Keesha are in trouble when they forget to bring in their assignment on "two things that g...

When Wanda's pet frog, Bella, jumps out an open window, Ms. Frizzle shrinks the bus into a mechanica...

It's "Accidental Science Project" day and the class has brought in marvelously rotten entries from t...

Always the caring soul, Phoebe goes on a crusade to save the animals and plants of the desert -- and...

The class is thrilled about its upcoming concert at the Sound Museum -- until they discover the spoo...

It's Ms. Frizzle's birthday, and a field trip to the bakery seems perfect -- until the bus's shrinke...

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

The class' garden is going to be featured on the cover of PLANT IT! magazine. But Phoebe's garden pl...

The Magic School Bus goes into show business when Keesha directs a movie about social animals for th...

The Friz transforms the bus into a Weathermobile and -- in a wild ride through the skies -- Ralphie...

To help them understand how the Earth makes islands, Ms. Frizzle presents the kids with an island th...

Ms. Frizzle takes the class on a field trip to R.U. Humerus's Body Shop. They learn how bones, muscl...

Ms. Frizzle takes the class on a dinosaur dig, courtesy of her old school chum, paleontologist Dr. C...

When Ms. Frizzle invites the class’ parents in to see that their kids are learning about bats, Ralph...

The class needs a new mascot for its soccer team. Phoebe suggests butterflies, but everyone thinks t...

Arnold and Wanda are due to give a report on the town waterworks. But Ms. Frizzle thinks it's field...

Keesha and the class return from vacation to find her prize cucumber has turned into a pickle! Could...

The school district’s Vehicle Maintenance Inspector, Junkett is about to condemn the Magic School Bu...

Shrunk inside Tim’s model airplane, the class goes on a high-flying field trip to find out how thing...

The class is ready to plug in their “Double-Trouble Wheel of Wonder” at the town carnival, when they...

When Dorothy Ann warns the kids there’s an asteroid headed straight for their school, Ms. Frizzle ar...

Liz has gone off to a mysterious place called “Herp Haven.” Thinking she’s in trouble, the class rus...

There’s a monster in Walkerville Lake! Wanda competes with Gerri Poveri, a TV reporter whose ratings...

Tim’s beekeeper Grandfather has the sweetest honey in town. Ms. Frizzle turns her class into bees so...

“Where did the hot go?” wonders Arnold when his hot cocoa cools off. So, Ms. Frizzle whisks the clas...

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

Two inches tall and trapped in a bathroom at Wanda’s house, the kids must use what they’ve learned a...

The light show at Walkerville’s old theater is illuminating, but Arnold’s bossy cousin Janet claims...

Arnold brings in a webbed hoop for the International Show-and-Tell Competition, left behind by his g...

The class finds Ms. Frizzle inside her closet—playing a pinball machine she created with light pulse...

Ralphie wants to serve salmon at the annual school picnic, but he can’t find any at his favorite fis...

Is Mr. Sinew any match for the Friz? At this year’s “Teacher-athlon,” the kids fear Ms. Frizzle does...

Phoebe tries to grow a vine for the school play, Jack and the Beanstalk. But her plant is more like...

The kids rent a rainforest cocoa tree as an Earth Day present for Ms. Frizzle. But when the harvest...

To celebrate the founding of Walkerville, Ms. Frizzle’s class sculpts a stone likeness of its foundi...

Wanda plans to see The Nutcracker ballet, but during a trip to Murph’s recycling plant, the toy sold...

When Wanda’s favorite singer, Molly Cule comes to town and she chooses Ms. Frizzle’s class to wash h...

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

Ms. Frizzle’s “Uncle Shelby” wants the class to look after his beachfront property. The kids soon di...

The only contribution the kids in Ms. Frizzle’s class have made to the Walkerville Space Capsule is...

Should Walkerville get rid of the swamp and replace it with a great new shopping mall or build the m...

It’s the night of the rock lovers’ annual Granite Awards, and Arnold is about to become the first ki...

When the kids see Horace Scope (Dabney Coleman) on the Star Shopping Network, they decide to buy Dor...

Phoebe is chosen to give a slam-dunk exhibition during the big basketball game. When she finds she c...

Flora Whiff, the famous expert on smell—whose “nose knows”— comes to school to judge the First Annua...

It’s Valentine’s Day and the class is selling lightbulbs. When they stop at Ms. Frizzle’s house to s...

Ms. Frizzle’s class opens the school for Mr. Ruhle. But there’s so much to do! “There must be a way...

City Critters: Ms. Frizzle’s class is visiting the zoo, which is, according to Tim, the only place i...

When Wanda discovers that one of Ms. Frizzle’s ancestors was Redbeard the Pirate, she naturally want...