[s1e1] Stress-proof -

A method used by first responders involving inhaling, holding, exhaling, and holding again for four seconds each. This triggers nerve fibers in the chest to signal the brain to "chill out".

Reframing negative thoughts (e.g., "I can't do this") into positive affirmations to reverse the body's automatic stress response. [S1E1] Stress-Proof

He attempts to extinguish a fire and rescue casualties at a training academy while managing limited air supply. A method used by first responders involving inhaling,

Breaking overwhelming tasks into tiny, manageable "chunks," focusing only on the immediate next step. [S1E1] Stress-Proof

The episode culminates in a terrifying 900-foot crane walk off the top of a skyscraper in Sydney, where he must apply every technique learned to remain calm.

Hemsworth undergoes three primary "stress tests" to practice these techniques: