Stream now with KPBS Passport on KPBS+ / Watch Thursday, Oct. 23, 2025 at 9 p.m. on KPBS 2
Join NOVA and a team of volcanologists looking for an elusive volcanic mega-eruption that plunged the medieval earth into a deep freeze. Investigate the geologic evidence from Greenland all the way to Antarctica to identify the 750-year-old culprit.
Related Articles:
Anatomy of a Volcano by Lexi Krock
Forecasting Volcanic Eruptions by Peter Tyson
Surviving a Supereruption by Peter Tyson
Watch on Your Schedule: This episode is available to stream with KPBS Passport, a benefit for members supporting KPBS at $60 or more yearly, using your computer, smartphone, tablet, Roku, AppleTV, Amazon Fire or Chromecast. Learn how to activate your benefit now.
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.
You can also tune in live to watch our four TV channels in real time: KPBS, KPBS 2, Create, KPBS Kids 24/7. We also added a new channel - FNX (First Nation Experience).
Your KPBS Passport member benefit works on KPBS+ too! You’ll have access to even more great shows when you simply log in with your KPBS Passport account.
