Premieres Wednesday, Oct. 29, 2025 at 9 p.m. on KPBS TV / Stream with KPBS+ / Encore Sunday, Nov. 2 at 3 p.m. on KPBS TV and 9 p.m. on KPBS 2 + Nov. 6 at 9 p.m. on KPBS 2
The deadly flash floods in Texas over the 2025 Fourth of July weekend were just the latest reminder of an alarming new reality: Once-rare "superfloods" are striking with unprecedented ferocity, devastating communities around the globe.
Join investigators as they piece together a moment-by-moment account of the Asheville, North Carolina disaster in 2024, when Hurricane Helene triggered flash floods and mudslides in a city 2,000 feet above sea level and more than 250 miles inland.
Discover how hidden atmospheric phenomena, combined with a warming planet, are creating a new era of risk. Can science offer a lifeline to communities facing an increasingly dangerous future?
Watch On Your Schedule: NOVA "Superfloods" will be available to stream with KPBS+ is a new free streaming video app designed for ease and enjoyment everywhere you watch including Roku, smart TVs and mobile devices. It’s locally curated for San Diego by the KPBS programming team. With a clean and intuitive design, discovering and enjoying KPBS and PBS content on-demand has never been easier.
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