Location: Northeast India Bruce joins the Adi people of Arunchal Pradesh in the Himlayas in hunting, eating rats and sacrificial rituals.

Location: Ethiopia Living in an unstable region of Ethiopia, the Suri are self-sufficient and have a powerful assurance in their culture.

Location: West Papua Explorer Bruce Parry lives with the Kombai people to discover whether cannibalism is still part of their lives.

Location: Gabon The Babongo people of Gabon take powerful hallucinogens which send them on a life-threatening, three day trip. Bruce Parry undergoes the initiation and finds it has some terrifying side effects.

Location: Mongolia The Darhad herders of Mongolia are some of the last nomadic people on the planet. Explorer Bruce Parry joins a family for their arduous winter migration.

Location: Venezuela The remote Sanema people of the Venezuelan Amazon inhabit a universe full of powerful spirits and ancestors. Explorer Bruce Parry lives with the tribe, eats the same food as them and takes part in a dramatic shamanistic festival.

Location: Ethiopia His first stay is with the Nyangatom whose warriors are feared by their neighbours. Parry wants to find out what they've done to deserve their fearsome reputation.

Location: Ethiopia He continues his three-month expedition through a remote African valley, staying with a tribe whose young men prove themselves by jumping over a line of cattle. Bruce is challenged to join the ritual.

Location: Ethiopia Bruce concludes his three-month expedition through a remote African valley, living by Lake Turkana and taking part in a terrifying crocodile hunt.

Location: Brazil Explorer Bruce Parry travels to the Amazon rainforest to live with the Matis, a tribe once devastated by western disease who are determined to preserve their culture.

Location: Russia Explorer Bruce Parry travels to the frozen tundra of Northern Siberia, spending a month with a brigade of Nenet reindeer herders during their winter migration. The herders travel hundreds of miles in temperatures that can drop to -40.

Location: Solomon Islands He sails to the island of Anuta, a tiny tropical outpost in the South Pacific, one of the most isolated communities on Earth.

Location: Tanzania Bruce Parry spends time with the Akie people, one of the last groups of hunter-gatherers to live on the African savannah. He is forced to face his biggest fear and put his hand into a bees' nest to gather wild honey.

Location: Bhutan Bruce Parry treks into the high mountains in the tiny Himalayan kingdom of Bhutan to live with the isolated Layap people.

Location: Sarawak, Borneo Bruce Parry treks into the jungles in search of the last nomadic Penan. The Penan are hunter-gatherers whose forest home is in the process of being cut down around them and whose traditional way of life is about to disappear forever.