Chris learns to tame his stress response while attempting a terrifying crane walk.
Chris heads to the icy Arctic in his search for health and longevity with the help of scientists.
Chris goes without food for four days to explore whether fasting can make him live longer.
Chris discovers how his muscles can help him live longer with an epic rope climb.
Chris has always worked to keep his body healthy; now, it's time to challenge his brain.
Chris' quest for youth fast forwards him to the end of his life as he visits a retirement home.
Chris Hemsworth
Self
Ari Handel
Producer
Arif Nurmohamed
Bengt Anderson