Ms. Frizzle's class learn lessons about bats when they accidentally transform the Magic School Bus and then themselves into creatures of the night while trying find out what their teacher has done with their parents.

At head of title: Scholastic's. "From an episode of the animated TV series produced by Scholastic Productions, Inc. Based on The magic school bus books written by Joanna Cole and illustrated by Bruce Degen"--T.p. verso.