Wanda finds a tooth at the back of Ms. Frizzle's classroom, and it's small and very sharp. Take off with Ms. Frizzle's class and find out all about teeth and discover who has lost a tooth.
The Magic School Bus takes Ms. Frizzle and her class on a trip to the Museum of Natural History, but during the trip the class travels back to the Mesozoic Era and experiences a first hand Jurassic adventure!
While on their way to Weatherama Amusement Park to attend the Wild Weather Show, Ms. Frizzle and her class get a first-hand lesson in the forces of nature as they fly directly into the heart of a powerful tornado.
Ms. Frizzle's class is learning about spiders. They take a trip to meet a spider expert, but she's missing. Then the bus turns into a moth and the class gets a very close look at some spiders and their webs.
Ms. Frizzle and her class visit with scientists from the past who explain their theories and the students utilize these ideas to design their own experiments for their upcoming science fair.
When Ms. Frizzle, the strangest teacher in school, takes her class on a field trip to the waterworks, everyone ends up experiencing the water purification system from the inside.
Ms. Frizzle and her tour group are transported to China 1000 years in the past, where they learn how rice, tea and silk are grown and harvested, and visit the Emperor in the Forbidden City.
Ms. Frizzle's class is drawing dinosaurs. But Dorothy Ann's picture is of her pet parrot. Ralphie tells her a parrot is a bird, not a dinosaur. Who is right? Take off with Ms. Frizzle's class and find out all kinds of facts about dinosaurs.
Ms. Frizzle and her tour group are transported to ancient Egypt, where they learn about the pyramids, mummification, flooding of the Nile, and other aspects of life in Egypt long ago.