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.

Joel and Nish start in South America working with porters, scaling the Andes whilst carrying equipment for tourist travellers. The pair take on one of their weirdest and toughest challenges as they attempt the 'Danza de tijeras' - scissor dancing. Safe to say it's going to be a rocky start!

Joel and Nish are in Japan learning the ways of the Kodō, a taiko drumming troupe based on Sado Island. But it won't be all song and dance as the pair will be pushed to their physical and mental limits, training with some of the toughest and most ruthless musicians in the world.

Joel and Nish spend a week in the tough, no-nonsense world of the Argentinian Gauchos, learning how to horse ride and herd cattle across the South American Pampas.

Comedians Joel Dommett and Nish Kumar go up against the rock lifters of Tahiti in a strongman competition, where the events include a fruit race and a dance off.

Joel and Nish travel to Tokyo to meet Japan's professional sumo wrestlers before heading to the remote Oki Islands to take part in a tournament in the birthplace of Sumo.

Comedians Joel Dommett and Nish Kumar join a gang of sheep shearers in New Zealand. It's the ultimate work hard play hard lifestyle but can the boys handle both the jobs and the alcohol?

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.

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

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

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.