Survival expert Ray Mears travels to Baffin Island in the Canadian Arctic. Here, he meets the indigenous Inuit people and finds out how they cope with living in one of the most inhospitable places on earth, and also learns how to build a sturdy igloo

Ray travels to the remote Arnhem Land in Northern Australia, where skills used by Aborigines have remained unchanged for 40,000 years. Contending with searing heat and wily crocodiles, he searches for food in the mangrove forests, sampling local delicacies such as terredo worms

The explorer provides a fascinating insight into the lives of nomadic reindeer herders living deep in the taiga forest of Siberia. He reveals how the Evenk people survive on a diet of reindeer meat, fish and a few edible plants - a lifestyle which has remained the same for 800 years.

The expert survivalist experiences life in the drought-stricken Kalahari bush, where the hunter-gatherer community of Jo'hansi Bushmen survive in sweltering temperatures. He learns the ancient skill of poisoned arrow-making and tracks an antelope by following its prints in the sand

Travelling to the island of Seram in Indonesia, Ray meets the rainforest-dwelling Nuaulu people, from whom he learns how to use bamboo for catching fish and cooking food. Accomplished hunters, the tribe set ingenious traps to catch large mammals, such as deer, wild pigs - and unwary TV presenters