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.

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!