Series 1 |
| 1 :01x01 - Kalapalo Wrestling (Brazil) (Jun/26/2007) | | Six American and British athletes train alongside indigenous tribesmen to represent their host tribe in a ritual competition. First up: wrestling with Kalapalo warriors in the Brazilian jungle during the Festival of Death. | |
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| 2 :01x02 - Zulu Stick Fighting (South Africa) (Jul/03/2007) | | In the traditional South African village of Nqekwane, six athletes take on Zulus in the deadly sport of stick fighting, share in initiation ceremonies and take magic potions to fight at a Zulu royal wedding. | |
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| 4 :01x04 - Nagaland Kickboxing (India) (Jul/17/2007) | | The competitors take on a team of former headhunters, the Sumi of Nagaland (a province in northern India), for a bout of Aki Kiti, a form of kickboxing that uses the soles of the feet as the only weapon. | |
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| 5 :01x05 - Mongolian Wrestling (Mongolia) (Jul/24/2007) | | In Mongolia, the athletes prepare for a Nadaam, a national festival that includes a wrestling competition, but first they undertake unpleasant tasks involving a herd of goats. | |
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| 6 :01x06 - Trobriand Cricket (Papua New Guinea) (Jul/31/2007) | | The athletes visit Kiriwina, an island in the Solomon Sea of the southwestern Pacific, during a festival called Mila Mala, where they engage in a unique version of cricket that includes taunts, magic and physical intimidation. | |
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| 8 :01x08 - Sepik Canoe Racing (Papua New Guinea) (Aug/14/2007) | | In the UK Series finale, the athletes train with the Sepik, a jungle tribe in Papua, New Guinea, for their canoe race, but the real challenge comes from sleeping in snake-ridden shelters and surviving crocodile-infested waters. | |
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Series 2 |
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