Naked and Afraid XL

13 all-star survivalists try to survive for 40 days in Africa's Selati Basin. When one group scavenges meat, hungry predators stalk their camp.

One survivalist is attacked by a venomous predator just three days into the challenge. And, the group compete with aggressive wildlife for resources.

Brutal injuries and illnesses end the challenge early for some survivalists. With unseen footage and interviews, they recall moments when it went wrong.

One survivalist takes a huge risk to secure a big kill for his team. Plus, torrential rain and plummeting temperatures forces someone to leave.

Freezing rainstorms torture the remaining survivalists, risking severe hypothermia. Plus, a successful hunt ends up backfiring.

One camp enters the lion's den to hunt for big game. The other team bands together for a group hunt and ends up finding a dangerous, unexpected food source.

A devastating injury and a vicious storm that destroys the survivalists' food supply threatens to tear apart the newly-merged camp.

Two survivalists scavenge a nearby leopard's kill to get food. Matt Wright joins the other survivalists and causes a confrontation.

The survivalists embark on several dangerous hunts to secure protein and prepare for their arduous extraction on the horizon.

To finish the challenge, the survivalists must complete a brutal extraction across deadly killing fields of lions, crocodiles and leopards.