Six UK and US adventurers compete against tribal champions in some of the remotest corners of the globe. In Brazil, they wrestle with Kalapalo warriors at the Festival of Death. Show more

Series in which UK and US athletic adventurers compete against tribal champions. In South Africa, they take on Zulus in the deadly sport of stick fighting. Show more

Series in which UK and US adventurers compete against tribal champions. They take on the Sumi, a tribe from northern India, and try to become Aki Kiti fighters. Show more

Series in which UK and US adventurers compete against tribal champions. The group live as Mongolian nomads and train for a professional wrestling tournament. Show more

The UK and US adventurers go and live with Pacific Islanders at festival time to take part in a bizarre game of cricket. Show more

Series in which UK and US adventurers compete against tribal champions. They attend a wrestling boot camp in Senegal with the aim of taking on the locals. Show more

Series in which UK and US adventurers compete against tribal champions. The men go to live with the Sepik tribe in Papua New Guinea and compete in a canoe race. Show more

Series in which UK and US adventurers compete against tribal champions. In the Mexican mountains they run a marathon race against Tarahumara Indians. Show more