Killer Volcanoes

Oct 25, 2017 on PBS at 9:00 PM

Summary

The hunt for a volcanic mega-eruption that plunged medieval Earth into a deep freeze includes geologic evidence from Greenland to Antarctica.

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Secrets of the Forbidden City
Season 44 Episode 15

Oct 18, 2017

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Killer Hurricanes
Season 44 Episode 17

Nov 01, 2017