Rene Murad

Ten survival experts are abandoned naked in an inhospitable Colombian savannah. After going through the awkward moment of meeting without clothes, each couple begins their journey that should last 21 days.

Contestants face the African savanna, divided into tribes racing to secure fire, water and shelter before nightfall; the environment brings freezing nights and scorching heat, while predators hunt in the shadows.

Old acquaintances reunite and old conflicts resurface. While some finally achieve long-awaited abundance, others continue to struggle with scarcity.

In the first days of the challenge, the participants realize that nothing will come easy for them. The blisters on Gi's feet condition the good progress of the duo with Joedson; conflict between Sati and Rene breaks out.

Alana Barfield and Keith Busch attempt to survive on a Fijian island with minimal water and little food.

One tribe suffers a near-fatal accident, another loses its hunting item, while a third receives a stroke of luck. Differences breed divisions.