The class is learning about nocturnal animals-creatures of the night. But Ralphie decides Ms. Frizzle is a vampire, and he's driving the rest of the class batty. That's when the Magic School Bus grows wings and flies into an old caste full of bats. If they hang around for a while, will the kids find out the truth about Ms. Frizzle?
From an episode of the animated TV series produced by Scholastic Entertainment Inc. Based on The Magic School Bus books written by Joanna Cole and illustrated by Bruce Degen.