In the series premiere, a wrestler, a plumber, a fitness model, a former Marine, a nurse and a marathoner must rely on their own skills and minimal supplies in order to survive in six different South American landscapes over the course of 60 days

Ripped from their first location, participants must start over in another extreme ecozone; Luke battles caimans for supremacy of the wetlands; Lindsay searches for water in 105-degree heat.

The second location takes a mental toll. Lindsay makes a fateful decision. Caimans hunt Luke in the Wetlands. Shon's struggle for food pushes him to the brink. On the island, Adam fails to make fire and suffers the consequences.

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Shon's fate is decided. The Wheel sends the participants to Phase Four. Lindsay's hopes are dashed by the barren Tundra. Adam forages in the Wetlands, but is wrecked by caimans. Luke faces the ultimate mountain challenge.