Nova

Polar Extremes

Season 47, Episode 1 of 19

Following a trail of fossils found in all the wrong places -- beech trees in Antarctica, redwoods and hippo-like mammals in the Arctic -- uncover the bizarre history of the poles, from miles-thick ice sheets to warm polar forests teeming with life.

Previously Aired

Day
Time
Channel
2/5/2020
8 p.m.
2/6/2020
1 a.m.
2/7/2020
1 p.m.
2/9/2020
6 a.m.
5/7/2020
4 p.m.
5/8/2020
10 a.m.
6/15/2022
9 p.m.
6/16/2022
2 a.m.
6/17/2022
2 p.m.
6/19/2022
7 a.m.
3/20/2024
9 p.m.
3/21/2024
2 a.m.
3/22/2024
2 p.m.
3/24/2024
7:03 a.m.
3/25/2024
1 p.m.
3/25/2024
8 p.m.
3/26/2024
3 a.m.
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