National Geographic reveals the science behind mixed martial arts, special operations and self-defense in . From martial artists who defy what many people think is humanly possible - to elite military units trained to become ultimate warriors - to masters of self-defense who teach how to fight for your life, analyzes how these experts generate the power and speed behind each move. Featuring amazing visuals and spectacular CGI that has become of the legend, National Geographic reveals the secrets of some of the most powerful fighting techniques in the world and explores the incredible physiology and training of fighting masters

Starring:

Randy Couture

Genre:

Documentary