In the Chilean Andes, Grady and Bill start their survival mission high up on a snowy dormant volcano. They must get off the volcano, find shelter in caves, and trek down into the rainforest. Along the way, they search for food, and attempt to build a fire.

Continuing in the Chilean Andes, Grady and Bill must survive a cold night in the rainforest. On their journey out they hunt feral pigs, build a shelter, and attempt to build a fire again.

In the Amazon rainforest, Bill and Grady must navigate through dense jungle, and build a shelter from the rains. They navigate to a river, attempt to catch fish, and build a raft to try to reach civilization.

While stranded in the Zambezi River Basin, Grady and Bill attempt survival during Africa's dry season, on their trek to the Zambezi River. Along the way, they search for water, build a primitive fire, encounter a myriad of African wildlife and predators, and hunt for guinea fowl.

In the Namib Desert of southern Africa, Grady and Bill are left with a broken down car. They use the car to help them with survival tasks, catch and eat scorpions, create signals for rescue, and search for water and food in a nearby canyon.

In the cold and snow of the Sawtooth Mountains of Idaho, Bill and Grady begin their survival on a mountain ridge and make their way to a forested area where they discover a dilapidated cabin. After spending the night there, they navigate to a river, deal with hypothermic conditions after Grady partially breaks through the ice, and attempt to trap beaver.

Bill and Grady visit Oregon where they find themselves lost in a desert-type environment.

Bill and Grady try to survive in the remote part of Maine, USA, dealing with extreme cold weather, chilly nights and lack of fire.

A behind the scenes look at Bill And Grady's journeys throughout the season. Also a sneak peak at Season 8