Explains what reptiles are and how they differ from other animals, offering an overview of the life cycle of a variety of reptiles, including snakes, turtles, lizards, and crocodiles.

How classification works -- What is a reptile? -- Skin and bone -- Reptile reproduction -- Skinks, geckos and others lizards - Iguana and monitor groups -- Nonvenomous snakes -- Venomous snakes -- Turtles in freshwater habitats -- Turtles on land and in the sea -- True crocodiles and gharials -- Alligators and caimans -- Reptiles all over.