Single mom and black belt Melissa Trinidad, versus firefighter and Chernobyl survivor, Elena Maskalik. Meanwhile, on the men's side, grocery store owner Toby Gordin, goes head to head with carpenter Randee Haynes. Also in the second hour, Para-Olympian John Sciliano, battles teacher Gerry Garcia, and on the women's side, Air Force Major Vanessa Warren takes on bartender Nikki Key.
Chicago cops and partners David Moore and Melvin Davis go head to head, while Denver cops and best friends Vicki Ferrari and Abbe Dorn battle it out against each other.
SWAT Officer Jay Martinez battles it out with tree climber Brick Reilly in the men's competition. For the women, business consultant Tiffaney Florentine clashes with adventure junky De Day.
Science teacher Tony Tolbert goes up against inspirational Columbine survivor Landon Jones. And on the women's side, Army veteran Chuanda Mason goes toe-to-toe with gritty crime reporter Rochelle Gilken.
For the first time in their lives twin sisters, Clinessa Burch of Los Osos, California and Lillian Thomassen of San Louis Obispo, California will compete against each other, instead of on the same team. On the men's side choreographer Mike Gamble of Hartford Connecticut goes up against Denver, Colorado emergency room doctor Adam Hill.
Two sets of married couples compete in Gladiator Arena. Sales rep Ally Davidson from Dallas, Texas and social worker Kendra Sirignano from Tempe, Arizona go head to head on the women's side, while Ally's husband, financial advisor Jeff Davidson competes against Kendra's spouse, wrestling coach Aaron Simpson.
Two sets of contestants go head to head, for the chance to go on to the semi-finals. On the men's side, bartender Sean Hetherington, faces off against english teacher, James Ruggiero. On the women's side, cheerleading coach Jessica Garcia, faces off against nurse, Patti Franklin. In the end, it's James and Patti that go on to the next round.
Four new contenders go head to head. On the men's side, a dolphin trainer takes on a media director. On the women's side, a 20-year-old college student, battles a 52-year-old investment team manager.
Anthony Pagnotta from Farmingdale, New York goes head to head with US Marine Alexander Coates from Baltimore, Maryland in the men's competition. Adriana Posadas from Anaheim, California takes on figure skater Tatum Yount from Manhattan Beach, California.
Four of the strongest and fastest contenders return to battle with the gladiators and to win a spot in the finals. Ally Davidson goes head to head with Vanessa Warren from Colorado Springs, Colorado. On the men's side, Iraq War vet Alexander Coates from Baltimore, Maryland, goes head to head with Tim Oliphant from Branson, Missouri.
Four more contenders compete as the semi-finals progress.
The final four contenders are revealed. The finalists battle it out and the winner is declared. One man and one woman walk away with everything.