Matt and Honora give the inside scoop on their challenges in Brazil, including their big breakup and Honora's scary blackout.

Extremely hungry with few options, Geoff and Melissa resort to eating a nest of baby birds to sustain their energy.

Forrest isn't drinking the same water as the rest of the group. So how is he staying hydrated? Using bamboo and fire! Watch to learn more!

Paolo and Kristin are using the primitive survival skills they learned before the challenge to get food, water, fire, and more. But now, what they need to practice is communication to work as a team and get on the same page.

How did Jeremy feel about being naked before he stepped into the Naked And Afraid challenge? Find out how he feels in this digital-exclusive casting tape.

Unable to dry her feet for days, Kaila's skin begins to show signs of trench foot. If left untreated, the condition could lead to gangrene.

David explains the process of starting a fire with a bow drill.

Gary and Kim meet in the most awkward fashion upon arrival in Panama.

In this digital-exclusive casting tape, Cassidy discusses how she feels about encountering animals during her Naked And Afraid challenge.

Manu explains the challenges of starting a fire in the extremely humid Panamanian rainforest.

A man named Duck and woman named Sarah meet in the jungle. Will they survive 21 days?

Desperate for protein, the duo works together to catch a swimming snake.

After their Naked And Afraid challenge in the Philippines, Cassidy and Jeremy reflect on the most difficult moments, what their partnership meant, and if they have any regrest.

Early in their 21 Day challenge, Kim and Gary disagree on the importance of sharing body heat through cuddling during the night.

What's brown and fat and has 24 very sharp teeth? A large crocodile comes to visit the survivalists.

David’s tick bite is getting worse and a medic must be called to clean and drain the wound. The bugs in the Colombian jungle show no mercy to David and Kaila.