A California resident refuses to leave his home amid raging wildfires.

As the Creek Fire explodes into the largest wildfire in California history, residents of Fresno County scramble to evacuate. But over 400 campers are trapped by a wall of flames, sending Cal Fire and National Guard pilots on a daring rescue mission.

Cal Fire fights to save a family-owned winery from the Glass Fire.

Firefighters battle a new wildfire on a somber anniversary.

Leaving comfortable lives behind, strangers journey to Alaska chasing dreams of an off-grid community. With only 100 days until winter, it's a race against nature. They immediately set off to hunt moose, but struggle with the elements and each other.

The newly formed group desperately hunts for moose.

An explosive confrontation erupts after the band unites for the first time.

A bad fish haul threatens the food supply and Adam risks hypothermia.

The group is far from ready as the bitter cold of winter approaches.

Adam and Evan make a journey to basecamp and Oliver tries to survive solo.

The battle over the food supply becomes the last straw.

Seven strangers create a self-sustaining community in Alaska's wilderness.

Contestants from all walks of life compete for glory and $25,000 cash in an arena unlike any other. A dodgeball deity tests his mettle. A fitness model shows she can do more than just look the part. "Aaron Rodgers" tries his hand at a new ballgame.

Contestants compete for a shot at $25,000 as they brave a battleground.

A tattooed trainer flexes her muscles against a martial arts master. A benchwarmer in search of a comeback takes aim at a sporty single mom. With $25,000 on the line, only the strong survive the Thunderdome.

Halfway to the championship and a chance at the $25,000 prize, a new group of players comes up against an array of perilous new dodgeball projectiles. A pro wrestler brings the fury, a mad scientist shows off her ninja skills, and it's USA vs. UK.