NOVA

Making North America: Life Preview

Preview: Season 42 Episode 21 | 30s

How did life emerge on our primeval continent? Why was North America home to so many iconic dinosaurs like T. rex? And how did a huge sea filled with giant marine reptiles end up covering Kansas? We tell the surprising intertwined story of life and the landscape in North America.

Aired: 10/14/15

Rating: TV-G

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