Overview: This episode looks at the driest parts of the earth, the deserts, and reveals the life which exists there despite the heat and lack of water. Also discusses how the deserts developed and why. Animals included are hyenas, foxes, jerboa, lizards, native cats, gerbils, scorpions, spiders, wolves, turtles, lizards, birds, plants, frogs, snakes, lizards, moles and the ship of the desert, the camel. Covers the effects of rain, how creatures live in sand dunes and the ecosystems in oases.