The principal, Mr. Ruhle, leaves his beloved chicken, Giblets, in Dorothy Ann's care. The Friz takes the class on a field trip to see how eggs are made.

Ms. Frizzle's "Uncle Shelby" lives on a beachfront property that's a...tidal pool. Ms. Frizzle turns the kids into mussels to explore life at the shore!

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!

Should Walkerville get rid of the swamp to build a shopping mall? The class learns the swamp is an important habitat and natural water filter.

Arnold is so excited to win the Rocky Award! But he's also so...orange! The Magic School Bus takes a field trip to Arnold's cells to find out why.

When Ms. Frizzle's class washes the car of a famous singer, the kids discover how to clean the car down to the very last molecule.

When the kids see Horace Scope on the Star Shopping Network, they decide to buy Dorothy Ann a real twinkling star for her birthday.

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!

Ms. Frizzle's class is selling light bulbs. But when they stop at her house, the Friz's battery-operated doorbell doesn't work. Electricity anyone?

A Smell Expert comes to school to judge the First Annual Smell Search. Ms. Frizzle's class creates a unique smell that is bound to take first prize.

When Wanda discovers that one of Ms. Frizzle's ancestors was Redbeard the Pirate, she naturally wants to follow the treasure map he left.

Ms. Frizzle's class is visiting the zoo. To test a theory about wild animals, Ms. Frizzle turns the class into possums, foxes, and falcons!

When Ms. Frizzle shrinks the class and sends them inside the computer for a guided tour, everything goes haywire. How the CPU will they solve this problem?