On the trail of his top ten, Nigel meets worshipers and vipers at Penang's famous Snake Temple and meets a new squeeze, a snappy reticulated python over 4 meters long. But which of Malaysia's 40 venomous snakes will make the top spot?

Australia's renowned deadly serpents include the inland taipan, the most toxic serpent in the world, and the enormous king brown, which can deliver more venom in a single bite than any other snake.

Every year over a million people are bitten by snakes, with some 46,000 deaths - Nigel tracks down the ten deadliest. He meets an enormous king cobra and the infamous Russell's viper, a snake responsible for more deaths than any other.

Europe is home to some 50 species of snakes; around 19 of them are venomous. Nigel crosses the continent from Greece to Turkey, France to Spain, in search of the most dangerous asps and vipers.