Nature documentary examining the sudden proliferation of deadly saltwater crocodiles in Australia, and attempts to investigate the problem. Show more

Ben Fogle heads to Botswana to join a research team studying the underwater behaviour of Nile crocodiles - they rarely attack when on the river bed.

Ben Fogle and the team of scientists head to Australia's Northern Territory to meet - and dive with - the saltwater crocodile, the most aggressive of all reptiles. Show more