1. Stress-Proof

Chris learns to tame his stress response while attempting a terrifying crane walk.

2. Shock

Chris heads to the icy Arctic in his search for health and longevity.

4. Strength

Chris discovers how his muscles can help him live longer with an epic rope climb.

5. Memory

Chris has always worked to keep his body healthy; now it's time to challenge his brain.

6. Acceptance

Chris' quest for eternal youth fast forwards him to the end of life.