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.

A rocket scientist, a social media guru and the Lebron James of Dodgeball compete for one of the final spots in the championship. Twists and turns on the course abound, including a mighty new weapon that will make even the God of Thunder tremble!

Contestants are plagued by exploding balls, a barrage of buckshot and more!

A deceptive ninja faces off with royalty for one of two final spots.

It's the final round before the final round. Which of tonight's competitors has what it takes to enter the Tournament of Champions? A dancing accountant takes on a bouncing boater and a shooter takes her best shot against a man-child with moves.

This one's for all the blue and red balls! The fiercest competitors from season 1 return to the Thunderdome to claim Dodgeball supremacy above all the rest. By the end, a single champion will claim ultimate bragging rights and the $25,000 prize.

Meet the brave members of Cal Fire, and see them in action.

Firefighters pick which house they can save, and which they must let burn.

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.