In episode one, Steve travels to the wild islands of Indonesia. He has a close call being chased by the world's largest lizard, the legendary komodo dragon, rescues a three metre venomous king cobra, goes diving in the treacherous seas that surround the islands getting hands on with the world's most poisonous fish and he has his first ever encounter with an unusual predator, the aptly named flamboyant cuttlefish.

In episode three, Steve travels to Mexico, where he starts his journey outside the city of Valladolid, on the vast Yucatan Peninsula, a part of Mexico that was only accessible by sea until the 1950s. It's here he's hoping to find one of the most dangerous snakes in Mexico: the rattlesnake.