Niall tracks elephants in Nepal's Bardia National Park to investigate reports of animals that are larger than other Asian elephants.
Niall goes to Australia to capture a saltwater crocodile and take its measurements before releasing it back into the wilderness near Darwin.
Adventurer Niall McCann's encounters with the world's largest and most dangerous animals are chronicled in this series, which begins with a trip to Venezuela to study anacondas.
Niall travels through Louisiana swamps to pursue stories of monster hogs, but also to discover just how big the feral pig problem really is.
One of the largest, heaviest birds in the world, the cassowary is territorial with a reputation for killing people; in Queensland, Niall discovers a small group of cassowaries clinging to life after human development destroyed its environment.
Niall pursues legends of man-eating tigers in Nepal; he works with locals to find a big cat responsible for killing their livestock and discovers the truth behind the legends of giant man-eaters.
Niall McCann investigates the increasing number of polar bear attacks in Churchill, Manitoba.
Niall meets the king cobra and learns about India's reptile problem; each year, some 50,000 people die from snake bites.
Niall rescues gators from the suburbs of Houston, Texas and meets some of the largest alligators in captivity.
Niall meets activists and scientists working together to place America's wild horses into safe havens.
Niall investigates how small communities and government officials in India are managing conflict with the Indian elephant.
Niall investigates the impact of human living conditions on the leopard's choice of prey and the conflict with the people of Mumbai.