The Magic School Bus is off on a roller-coaster ride through our insides and anybody could be the next field trip! As Ms. Frizzle leads the way, the class takes an action-packed journey through Arnold"s digestive system, a pulsating excursion through Ralphie"s bloodstream, and an exciting exploration through the Ralphie Robot to learn about bones, joints and muscles. Their valiant vehicle can go anywhere and be anything, so each field trip is an awesome adventure. Includes three 30-minute TV episodes: For Lunch; Inside Ralphie; and Flexes Its Muscles.