Michael and Ashley meet - completely naked in Botswana - on Day 1 of their 21 day Naked and Afraid challenge.

Dustin’s love for survival came naturally. Growing up, he learned from his Dad the importance of relying on yourself to provide the basic necessities.

After falling ill just a few hours into her challenge in Botswana, Ashley could become the first survivalist ever to quit on Day One.

All four castaways reflect on meeting the other group for the first time.

With very little options for food in Botswana, Michael decides to see what bugs he might be able to catch and eat.

The bugs in Botswana were so bad, Michael could barely sit down without having bugs crawling all over his naked body.

Michael and Ashley speak about their harrowing experience in Botswana, including the moments that made them both tap out.

With a broken fire starter and damp tinder, things are not off to a good start.

After being chosen in the #ShowUsWhatYouGot Naked And Afraid contest, fans Kristin and Paolo get ready to strip down and start their special 14 day challenge. Their Naked Introduction is predictably awkward.

Amanda and Joshua strip down and begin their naked survival challenge in southern Nicaragua.

Tensions are high beneath the shelter and Geoff is feeling the need to get some space.

Matt and Honora meet for the first time in the middle of Brazil to start their Naked and Afraid survival challenge. Oh yeah, they're completely naked too.

Scott skins a deer carcass covered in files and decides to use some of the hide to make some sturdy shoe material.

While attempting to make their first fire together in Nicaragua, Paolo and Kristin face great difficulty.

After an intense argument over survival techniques, Matt and Honora decide it's best to go their separate ways for the rest of their time in Brazil.

After their successful 21 days in Isla San Jose, Panama, Tara and Dustin reflect on their challenge. Find out what each survivalist learned from the challenge and each other.