Live to 100: Secrets of the Blue Zones

E1. The Journey Begins

Buettner travels to Okinawa, Japan, where the island's oldest residents still share a serene way of life motivated by a sense of purpose, or ikigai.

★ 8.0

E2. An Unexpected Discovery

From the mountain villages of Sardinia to a sunny suburb of California, Buettner explores what has contributed to these communities' amazing lifespans.

★ 8.0

E3. The End of Blue Zones?

People in two very different Blue Zones — the Greek island Ikaria and Costa Rica's Nicoya Peninsula — thrive thanks to their unique diets and traditions.

★ 6.0

E4. The Future of Longevity

Buettner visits Singapore, then shares his discoveries in the United States to find out if we can create new Blue Zones in a rapidly changing world.

★ 8.0