5/5 David Attenborough meets the reptile heavyweights - the tortoises, turtles and crocodiles.
4/5 David Attenborough takes a look at the hunting methods of rattlesnakes and cobras.
3/5 David Attenborough takes a look at lizards and chameleons from around the world.
2/5 David Attenborough looks at metre-long salamanders, show-off newts and marsupial frogs.
1/5 David Attenborough reveals the truth about cold-blooded reptiles and amphibians.