Joel and Nish travel to Tokyo to meet Japan's professional sumo wrestlers. They are given exclusive access to a stable - the house where the fighters all live and train together before a big tournament. The boys then head to the remote Oki Islands where legend has it sumo was born and where the islanders learn sumo from childhood. Here, Joel and Nish sign up to a tournament against some of the island's toughest wrestlers.

Joel and Nish go up against the rock lifters of Tahiti in a strongman competition on the remote island of Rurutu, where the events include a fruit race and a dance off. On the island they also meet 'mahu' Philippe, the traditional French Polynesian role where men are raised with women to do domestic chores and are often called the third gender.

Watch Episode 3 of Tribal Bootcamp on, Sony LIV.

Watch Episode 2 of Tribal Bootcamp on, Sony LIV.

Joel and Nish trek through the Andes with the Peruvian porters. Their job is to carry the bags of tourists and set up camp before nightfall. The arduous journey through the mountains is all so they can meet the legendary Scissor Dancers, but the boys get more than they bargained for when they arrive.