Beakman explains some information about bats and they have a live bat on the show to show its wings. Then they talk about how bats sleep upside down and are nocturnal. Beakman explains how and why bats use echolocation to find their food.

The Planeteers talk about bats being and endangered species and their importance to the world.

Amy and her father prepare to guide the geese south for the winter. They plan out the journey and give the geese flying workouts so they will be able to handle the long flight times.

Von Bolt learns about the pheromones and tries to use them to get the attention of a new lady robot. Watch Thomas Edison's Secret Lab on Netflix, the Kid Genius channel on Xfinity, public television and DVD. Visit EDISONSECRETLAB.COM for games, videos, downloads and more!

What starts off as an innocent game of tag between Kiara and Kovu ends in a confrontation between Simba and Zira about territory and expulsion.