Sundays, 10:00 PM ET on Discovery

60 minutes

A group of the best survival experts in the world are taking on an un-survivable situation that has never been attempted before: 12 people. 40 days. 40 nights. No food. No water. No clothes. The ultimate trial of human endurance and will to survive. NAKED AND AFRAID XL is a 40 day challenge, making it exponentially more difficult than anything that's ever been tried in the past.