Jason Staker builds a shelter capable of protecting against large wild animals and standing up against the elements in the Aspen Grove forest.

Cat builds a 10-foot elevated tree house capable of keeping her team safe from flash floods in the High Mountain Valley.

T.J. builds a 5-foot elevated tree house capable of keeping his team safe from flash floods in the High Mountain Valley.

Primitive survival expert and star of Bushcraft Build-Off, Matt Graham, demonstrates how to build an atlatl.

Primitive survival expert and star of Bushcraft Build-Off, Matt Graham, demonstrates how to build a fire.

Primitive survival expert and star of Bushcraft Build-Off, Matt Graham, demonstrates how to purify drinking water.

Primitive survival expert and star of Bushcraft Build-Off, Matt Graham, demonstrates how to build a lookout from a small tree.

Primitive survival expert and star of Bushcraft Build-Off, Matt Graham, demonstrates how to fell a tree.

Primitive survival expert and star of Bushcraft Build-Off, Matt Graham, demonstrates how to build a smoker.

Primitive survival expert and star of Bushcraft Build-Off, Matt Graham, demonstrates how to build a shelter.

Primitive survival expert and star of Bushcraft Build-Off, Matt Graham, demonstrates how to make a bark bucket.

Primitive survival expert and star of Bushcraft Build-Off, Matt Graham, demonstrates how to make a bow drill.

Primitive survival expert and star of Bushcraft Build-Off, Matt Graham, demonstrates how to make a blowgun.

Joel builds a watercraft capable of carrying his team and supplies across the Alpine Lake.

Tamra builds a shelter capable of keeping her team safe during the heavy rainfalls present in the Spruce Forest, as well as a bridge to grant access across a crucial stream running through the forest.

Matt builds a seasonal hunting camp in the Chalk Creek hunting grounds.

Tamra builds a shelter capable of keeping her team safe during the heavy rainfalls present in the Spruce Forest, as well as a bridge to grant access across a crucial stream running through the forest.

Primitive survival expert and star of Bushcraft Build-Off, Matt Graham, demonstrates how to build a smoker.

Matt builds a seasonal hunting camp in the Chalk Creek hunting grounds.

Primitive survival expert and star of Bushcraft Build-Off, Matt Graham, demonstrates how to build a shelter.

Primitive survival expert and star of Bushcraft Build-Off, Matt Graham, demonstrates how to make a bark bucket.

Primitive survival expert and star of Bushcraft Build-Off, Matt Graham, demonstrates how to make a bow drill.

Primitive survival expert and star of Bushcraft Build-Off, Matt Graham, demonstrates how to make a blowgun.

A cow carcass highlights the key differences in Cody and Joe's survival techniques.

Cody happens upon an easy meal when he spots a steelhead salmon floating near a spawning site.

Dave uses a handmade bow with a single arrow to hunt down a wild turkey in the Pacific Northwest forest.

Dave shows how the stiff, straight branches of Salmonberry bushes are a great source for arrow shafts in the Pacific Northwest.

Dave uses his experience in trapping reptiles to show Cody how to lasso a meaty iguana.

Dual Survival's Executive Producer French Horwitz tells what it was like when the cameras started rolling on day one.

Working with scarce resources, Dave demonstrates how to fashion an arrowhead out of bottle glass.

After the Laotian jungle pushes Cody's bare feet to the limit, he fashions a back-up pair of flip-flops from tree bark and vines.

Cody helps Joe seal a wound using local leaf-cutter ants.