Episode list

Join virologist Mike Leahy as he explores Brazil where the tiniest animals can deliver a deadly punch. Dr Mike looks at fire ants, and invisible worms and the notorious candiru fish. He keeps at arm's length from a deceptively innocent caterpillar which can administer a nasty toxin through needle-like hairs.

There is a lot to be on guard against in Vietnam from the streets of Hanoi and Ho Chi Minh City, to jungles and paddy fields. He meets up with a deadly snake where the chance of dying for those bitten is 90%. He also provides tips for unwary travelers.

Dr Mike takes a dip in the Ganges, endures leech therapy and meets monkeys with a thirst for blood. He visits Varanasi where the large populations help bugs attack the unwary.

The Sabah in the Malaysian region of Borneo is the perfect home for a staggering variety of killer beasts and deadly plants. Dr Mike finds out the hard way that everything is out to get you. He meets up with the giant pitcher plant that has a large opening containing a corrosive broth.

The Australian Outback is home to some of the earth's most lethal creatures. Some of these are also the smallest. Dr Mike meets up with a lethal spider and a tick that you would be best to avoid.

Dr Mike is back in Australia, this time on the coast. With rain-forests and white sandy beaches it looks the tropical paradise. But, beware, there are things lurking that would like nothing better than to bite you with potentially lethal results.

Mexico is a land of tiny terrors keen to damage your travels, and your insides, in a moment. Join Mike as he puts his health and body on the line in the name of science.

Don't think you are immune in the U.S.A. From the Everglades to the deserts of Arizona there are tiny monsters lurking . Dr Mike is keen to learn more about these clever residents..