Survivalist Luke McLaughlin provides insights into how he tested himself.
Ryan adds insights to his challenges and preps for 21 days alone in Africa.
All-Star Lacey Jones walks through her first three challenges.
Survivalist Gary shares new insights and prepares for Belize.
Max prepares for his biggest challenge yet -- 21 days alone in Africa.
EJ gives insights on his past as he prepares to take on Bulgaria alone.