In this episode, we ask: how can an owl catch prey it can't see? Is it true that we're always a few feet from a rat? What makes octopuses masters of disguise? Why don't penguins feet freeze? And, why are African wild dogs the ultimate hunters?

In this episode, we ask: what does a dog's tail wag really mean? Are cockatoos the cleverest members of the animal kingdom? Why are zebras black and white? What's the secret behind a crocodile's powerful jaws? And, how and why do chameleons change color?