Oh, no! Wanda's best friend, Bella the bullfrog, is missing. The class wants to help look for her. Ms. Frizzle says, "The best way to find a frog is to be a fro

Ms. Frizzle's class finds Bella, a runaway frog, in her natural habitat, and they decide she has everything she needs.

When a bullfrog hops out of the school window, Ms. Fizzle's class is off to learn about animal habitats.