Joel and Nish venture to Mexico to the land of Tarahumara; the legendary tribe people of north-western Mexico who are renowned for their long distance running ability, which Joel will attempt to achieve.

This week Joel and Nish venture to meet the Massai Warriors of Kenya.

Comedians Joel Dommett and Nish Kumar see if Joel's ludicrous fitness regime can prepare him for life with Mongolian Nomads.

Comedians Joel Dommett and Nish Kumar arrive in China to learn the way of the Shaolin. Joel embarks on his Kung Fu training, while Nish tries to find a way to replace Joel's vanity with Zen.

The duo head to Brazil where, under Nish Kumar's watchful eye, Joel Dommett will train with the Xavante and take part in a punishing relay race like no other.

Comedians Joel Dommett and Nish Kumar travel to the Philippines to test Joel's hunter-gatherer skills. He must learn to free-dive in order to catch fish, and scale cliffs for birds nests.