Synopsis

Arnold and Wanda were scheduled to present a report on the town's waterworks. But Ms. Frizzle declared it was time for a field trip! With a turn of the bus, she transformed the class into water droplets, and the children evaporated, condensed, becoming rain that rushed onward into a river and then the ocean. After several journeys through the water cycle, they were ready to return to their normal selves. However, the key to reversing the transformation was locked in the school bathroom! Determin