Nova

Killer Floods

(Season 44, Episode 28)

Series: Nova

Air Date: 2017-10-17

Language: English

Genre: Documentary, Biography

Networks: PBS

Description

All over the world, scientists are discovering traces of ancient floods on a scale that dwarfs even the most severe flood disasters of recent times. What triggered these cataclysmic floods, and could they strike again? In the Channeled Scablands of Washington State, the level prairie gives way to bizarre, gargantuan rock formations.

Guest Starts :

David Pogue