Documentary filmmaker Todd Sampson is fascinated by the human body's ability to adapt and thrive in extreme scenarios. In the five-part documentary series BODY HACK, he sets out to unlock the secrets of extraordinary individuals, such as deep sea divers and Himalayan Sherpas, who survive against the odds. Using the power of biochemical research, marvelously illustrated with CGI, Todd discovers how to put his own body to the test. By exploring the nature of endurance, fear, resilience, pain, diet and risk-taking, this series celebrates our incredible human potential.