In this episode, Dr. Zoolittle and Roberta the Zebra dive into the world of amphibians. Visit the Saint Louis Zoo and learn about the Ozark hellbender, an endangered amphibian, and what’s involved in raising 4,000 of them from egg to adult. Chef Zoolittle shows you the amazing metamorphosis of a frog through food! You’ll also discover why a frog from Down Under is critically endangered.