Watch Free Online HD Moviesjoy. Kai Greene is one of the biggest modern day legends in bodybuilding both on and off the stage. He's an athlete, an artist, an actor, and an entrepreneur. But his journey to greatness first started in childhood - when he chose bodybuilding as a form of survival. Now witness Kai Greene’s story of survival and climb to success in the first ever all-access documentary chronicling his life and career into the sport of bodybuilding and beyond.