See the epic 3-billion-year story of how our continent came to be. From palm trees that once flourished in Alaska to huge eruptions that nearly tore the Midwest in two, discover how forces of almost unimaginable power gave birth to North America.
Duration: 56 minutes and 46 seconds
Episode Number: 4220
No future air times were found for this episode.
PBS' premier science series helps viewers of all ages explore the science behind the headlines.
Along the way, NOVA programs demystify science and technology and highlight the people involved in scientific pursuits.
| Fri, Feb 13 | 4:00 P.M. | Mammal Origins NHPBS (11.1) |
| Sat, Feb 14 | 5:00 A.M. | Lee and Liza's Family Tree NH World (11.3) |
| Sat, Feb 14 | 1:00 P.M. | Mammal Origins NH Explore (11.2) |
| Sun, Feb 15 | 12:00 A.M. | Mammal Origins NHPBS (11.1) |
| Sun, Feb 15 | 4:00 A.M. | Mammal Origins NH Explore (11.2) |
| Sun, Feb 15 | 7:00 A.M. | Mammal Origins NHPBS (11.1) |
| Sun, Feb 15 | 8:00 P.M. | Mammal Origins NH Explore (11.2) |
| Mon, Feb 16 | 1:00 A.M. | Mammal Origins NH Explore (11.2) |
| Tue, Feb 17 | 7:00 P.M. | Mammal Origins NH World (11.3) |
| Tue, Feb 17 | 8:00 P.M. | Critical Condition: Health In Black America NH World (11.3) |
| Wed, Feb 18 | 12:00 A.M. | Mammal Origins NH World (11.3) |
| Wed, Feb 18 | 1:00 A.M. | Critical Condition: Health In Black America NH World (11.3) |
| Wed, Feb 18 | 5:00 A.M. | Lee and Liza's Family Tree NH World (11.3) |
| Wed, Feb 18 | 8:00 A.M. | Mammal Origins NH World (11.3) |
| Wed, Feb 18 | 9:00 A.M. | Critical Condition: Health In Black America NH World (11.3) |
| Wed, Feb 18 | 11:00 A.M. | Lee and Liza's Family Tree NH World (11.3) |
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NHPBS - 11.1
Explore - 11.2
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Create - 11.4
Kids - 11.5
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