Tough Guy or Chicken?

The adventurers join up with the local cowboys to do battle with deadly fighting bulls.

In the Siberian arctic, the adventurers attempt to become Evenki reindeer herders.

In Mexico's Yucatan peninsula, the five adventurers attempt to become cave-divers.

The adventurers endure a jungle initiation with boys of the Jaminawa tribe in Brazil.

In Namibia, the adventurers join the Ju-Wasi tribe of San Bushmen on a traditional hunt.

In the Bahamas, the rookies attempt to become shark wranglers in just six days.

In Japan, the adventurers take part in a pilgrimage to the summit of a sacred mountain.