Naked and Afraid: Foreign Exchange

European survivalists Marie and Olivier are dropped into the Colombian jungle and face a punishing 21-day challenge. Aggressive caiman, insects and extreme temperatures test their physical and mental resolve. Their journey is translated into English.

Survivalists Sarah and Robin take on 21 days in the forests of Northern Croatia, and try and survive among wild bears, wolves and boar. Hypothermic temperatures and bad storms push them to their limits. Their journey is translated into English.

European survivalists Gabrielle and Patrick are dropped into the heat-stricken bush of South Africa. Different survival strategies lead to a separation of camps, leaving both vulnerable to circling predators. Their journey is translated into English.

Survivalists Emmanuelle and Kevin are dropped in the Colombian jungle to try and survive for 21 days surrounded by jaguars, poisonous snakes and relentless bugs. They're able to secure some food, but one of them is a picky eater.

Maxence and Julie are dropped deep in the Croatian wilderness in a hunting ground to bears, wolves, wild boars and vipers. Tensions rise quickly, but in an environment so challenging they have to make it work. Their journey is translated into English.

Géraldine and Louri are dropped into the hunting grounds of the South African bush where danger is a constant and the blistering sun destroys anyone in its path. Their journey is translated into English.

Stéphanie and Steven are dropped in one of the most hostile places on Earth -- the Colombian jungle. Teamwork leads to successful hunts, but a foot injury could mean the end of the challenge. Their journey is translated into English.

Michael and Benedicte are dropped in the middle of a dense forest in Croatia. Extreme fluctuations in weather threaten hypothermia and intense humidity, and predators like wolves, bears and vipers call home. Their journey is translated into English.

Julien and Jennifer are dropped in the South African Bush surrounded by the most dangerous animals on the planet. Leopards and hyenas reign over the Savannah, and violent storms strike at any moment. Their journey is translated into English.

Pascale and Eddy are dropped in the Colombian rainforest -- an environment so hostile it takes out the best of the best. At every corner caiman, jaguar, poisonous snakes and more are threats. Mind over matter, right? The journey is translated to English.

Pascal and Lea are dropped in the Croatian forest with vipers, bears and wolves. Just a few days in the challenge, they face extreme weather that floods their perfect shelter, forcing them to migrate to survive. Their journey is translated to English.

Wilderness experts Laurent and Valerie get dropped into a heat-stricken savannah in South Africa where leopards and hyenas reign, and deadly snakes and scorpions are at every corner. Their journey is translated into English.