5-th episode of 45-th season "NOVA"

What "NOVA" 5-th episode about

Volcanologists search 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.

Episode number: 5

Episode name: "Killer Volcanoes"

Episode release date: 26 october 2017 at 01:00

Status: aired