When sparks don't fly deep in the Panamanian jungle, an ex-cop and a self-described wild child clash over cuddling. But when the challenge overwhelms one of them, the other must forage, trap and even kill to keep a glimmer of hope alive.

Trent and Annie are off to a good start in the Mayan jungle in Belize. Dehydration and a lack of food are quickly becoming a problem. They are not alone in the jungle, and have trouble keeping it together.

Three pairs of survivalists take on humidity in the rain-forests of Honduras, sleep deprivation and serious injuries in the African Savanna and a potentially fatal flood in the wilds of Texas.

A firefighter and a single mother confront bloodthirsty insects in the Malaysian rainforest; survivalists are surrounded by armadillos and wild boars in the Texas countryside. team faces apex predators in Tennessee's Great Smoky Mountains.

A U.S. Navy veteran and a military mother take on the harsh Mexican island of Cayo Venado. Terrifying sounds strike fear into the hearts of a jittery duo in Belize; two survivalists are in for a big twist in the Amazon jungle.