When Whales Walked: Journeys in Deep Time

Episode 1 of 1

Meet the ancient ancestors of four iconic creatures: crocodiles, birds, whales and elephants. Join top scientists on a global adventure as they follow clues from the fossil record and use 21st century technology to make exciting new discoveries.

Previously Aired

Day
Time
Channel
6/19/2019
9 p.m.
6/20/2019
2 a.m.
6/21/2019
2 p.m.
6/23/2019
8 a.m.
10/10/2019
1 p.m.
10/13/2019
9 a.m.
10/13/2019
3 p.m.
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