For 21 days, one man and one woman - meeting for the first time in the nude - are paired and tasked to survive in some of the world's most extreme environments... with no food, water or clothes. This season, a whole new crop of extreme survivalists will tackle brand new international locations from Australia to Croatia and Canada, along with Alabama and Texas for the first time. They'll suffer the world's most hostile climates and encountering new and deadly animals including large cats, bears and some of the world's most deadly reptiles. They will need to surmount physical challenges to create shelter, forage for food and find water. But as the days wear on and the danger ramps up - the mental challenge can become unbearable... Will any of them be strong enough, physically and mentally, to last 21 days NAKED AND AFRAID?