Todd Sampson tests his physical and mental endurance by undergoing the rigorous training required to become an MMA cage fighter. He has two weeks to learn the skills, strength, and science of one of the world's toughest sports, with the goal to survive one round of a professional match against a trained fighter.

Todd Sampson tests his physical and mental endurance by undergoing the rigorous training required to become an MMA cage fighter. He has two weeks to learn the skills, strength, and science of one of the world's toughest sports, with the goal to survive one round of a professional match against a trained fighter.