Nigel Explores Almost Every Type Of Environment In China Climbing Steep Forested Slopes And Even Wading Into A Sea Cave To Track Down His Top Ten But Which Is Number One The Fearsome Hundredpacer Socalled Because Of The Speed At Which Its Venom Can Kill The Massive Mysterious Dragon Of The Mountains The Mangshan Viper Or The King Cobra The Largest Venomous Snake On Earth Capable Of Killing An Elephant With A Single Bite

Nigel Marvin heads to Costa Rica where there is said to be two venomous snakes for every hectare of land.

Nigel Marven looks at snakes in South Africa.

Nigel travels to Malaysia to track down the ten deadliest snakes from the region.