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Nova

Killer Floods

Season 44, Episode 18 of 21

Uncover geologic fingerprints of colossal floods that violently reshaped the ancient world. Follow geologists around the globe as they reconstruct catastrophic Ice Age floods more powerful than all the world's top ten rivers combined.

More From this Series

Previously Aired

Day
Time
Channel
11/8/2017
9 p.m.
PBS 6
11/9/2017
3 a.m.
PBS 6
11/10/2017
2 p.m.
PBS 6
11/12/2017
8 a.m.
PBS 6
11/12/2017
8 p.m.
PBS 6 Plus
11/13/2017
1 a.m.
PBS 6 Plus
4/22/2020
10 p.m.
PBS 6
4/23/2020
3 a.m.
PBS 6
4/23/2020
8 a.m.
PBS 6 Plus
4/23/2020
noon
PBS 6 Plus
4/24/2020
3 p.m.
PBS 6
4/26/2020
8 a.m.
PBS 6
8/27/2023
8 a.m.
PBS 6
8/29/2023
9 p.m.
PBS 6 Plus
8/30/2023
4 a.m.
PBS 6 Plus
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