Sir David Attenborough presents the final chapter of his epic overview of life on Earth as he transforms perceptions of cold-blooded animals in this major BBC series.
David meets the reptile heavyweights to show what it's like to live within a suit of armour. He reveals a dynamic, warm and caring side to ancient giants. Mating giant tortoises fit together like spoons. Green turtles show true passion mating in tropica
Giant crocodiles courting, tortoises jousting with 'lances' and bright red sumo-wrestling frogs... David reveals the surprising truth about the cold-blooded lives of reptiles and amphibians, as dramatic, as colourful, as tender as any other animal. What's
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