In 1986 the city of Cleveland released nearly 1.5 million balloons at once to break a world record and raise money for charity. The result paralyzed traffic, shut an airport runway, and turned a heartwarming spectacle into a surreal disaster.

This episode dives into Balloonfest 86, a case study in good intentions colliding with the unyielding laws of physics and weather. We explore the staggering logistics, the misplaced faith in atmospheric science, the slow-motion blizzard of latex that descended on the region, and the tragic and disputed legacy that helped change how the world views mass balloon releases forever.

• The three-story, block-long mesh cage and 2,500 volunteers who built the launch
• The widespread 1980s belief that balloons simply pop and vanish in the upper atmosphere
• How cold air and rain forced the  ...