Sid and his friends learn about the world around them by observing, comparing, measuring, and other fun ways to get answers to questions and solve problems. Sid finds out what dogs are doing when they bark, why dirt is so dirty, why insects live where they do, and what purpose leaves have.

Contains four episodes that follow Ms. Frizzle and her class on their science adventures aboard the magic school bus, including a trip to the solar system to buy Dorothy Ann a real star for her birthday.

Contains four episodes that follow Ms. Frizzle and her class on their science adventures aboard the magic school bus, including a dive into oceans and wetlands.

Gets lost in space (topic: the solar system); Arnold's know-it-all cousin gets Ms. Frizzle's class lost in outer space. Out of this world (topic: space rocks): When an asteroid heads straight for the school, Ms. Frizzle arranges a field trip into space. Gains weight (topic: gravity): Ms. Frizzle takes the class into space and turns the bus into a planet with adjustable gravity. Plays ball (topic: forces): Ms. Frizzle combines physics and baseball...