We all want to live longer, healthier lives. That's the promise of the 'blue zones' phenomenon, which identifies areas with unusually high concentrations of centenarians - people living to age 100 and beyond. But how 'blue' are these zones really? And what does the science behind the lessons learned actually tell us? Join perpetual travelers and lifelong scholars Simon and Sarah as they revisit each of the zones profiled in the hit Netflix series Live to 100 and the Blue Zones books to discover the truth - and some actionable advice.