In South Africa, two fans attempt a 14-day challenge in the middle of dangerous cape buffalo territory. But heavy rains and erratic temperatures test their couch-to-wilderness skills like never before.

Two fans are ready to take on 14 days in the brutal landscape of South Africa. But will killing their own food and drinking rank water prove to be more difficult to endure than they anticipated?

For the first time, two teams of international survivalists converge in South Africa for the ultimate challenge -- USA versus the World. Who will endure and make their homeland proud?

Three young survivalists test their skills in the coastal rainforest of Ecuador where they risk their lives scaling a massive rock cliff to forage for food.

Lynsey, a survivalist who thrives in partnerships, finds herself at odds with her companion Darvil, whose lone-wolf tendencies become destructive in the grueling landscape of Lapalala, South Africa.

All-stars Fernando and Dani land in a forbidding rainforest in Ecuador for their third challenge, where jaguars, caiman, anacondas and bullet ants are on the prowl. But their divergent approaches to primitive survival might do them in first.