Season 1 |
| 1 :01x01 - Kalapalo Wrestling (Oct/04/2007) | | 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. | |
| |
| 2 :01x02 - Zulu Stick Fighting (Oct/11/2007) | | 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. | |
| |
| 3 :01x03 - Tarahumara Endurance Race (Oct/18/2007) | | In Mexico's Copper Canyon, the six athletes run a marathon against the indigenous Tarahumara people, famous for their long-distance running skills. | |
| |
| 4 :01x04 - Sumi Kick Fighting (Oct/25/2007) | | 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. | |
| |
| 5 :01x05 - Mongolian Wrestling (Nov/01/2007) | | 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. | |
| |
| 6 :01x06 - Trobriand Cricket (Nov/08/2007) | | 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. | |
| |
|
| |
| 8 :01x08 - Sepik Canoe Racing (Nov/29/2007) | | 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. | |
| |
| 9 :01x09 - Kraho Log Running (Dec/06/2007) | The athletes compete in a Kraho log race, in which teams of runners compete to carry a log, in a village in Brazil as part of a ceremony called the Witi, where the granddaughter of the chief of the village comes of age.
| |
| |
| 10 :01x10 - Andean Ice Race (Dec/13/2007) | | The athletes compete in the Qoyllur Rit'i festival at Paqchanta in the Andes and a race to cut a block of ice from a glacier at over 17,000 feet. | |
| |
| 11 :01x11 - Java Martial Arts (Dec/20/2007) | | The athletes compete in a local sport called Pencak Silat, a form of martial arts practiced in the Indonesian village of Cikaramat in West Java.. | |
| |
| 12 :01x12 - Vanuatu Canoe Race (Dec/20/2007) | | The athletes compete in an ocean canoe race between local island fishermen on the South Pacific island of Wala in Vanuatu. | |
| |