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Chapter 7: Inheriting the Earth
Emerging from the dinosaurs' shadows, mammals went from underdogs to global power, with game-changing adaptations that would conquer land, air and sea.
Stars:
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Other episodes for this season
![Chapter 1: The Rules of Life](https://image.tmdb.org/t/p/w300/q4ncSKSZ7odNgOduZzLclwa2mM5.jpg)
![Chapter 2: The First Frontier](https://image.tmdb.org/t/p/w300/vAWy4YQ76kpvpnNATP9QvxEvDc0.jpg)
![Chapter 3: Invaders of the Land](https://image.tmdb.org/t/p/w300/q0RP6RqkEMjWEaD00nlzdHdO7ea.jpg)
![Chapter 4: In Cold Blood](https://image.tmdb.org/t/p/w300/2D8At9iRjCHiHGuZ2Xu9b03zOKM.jpg)
![Chapter 5: In the Shadow of Giants](https://image.tmdb.org/t/p/w300/wwDQTnIFm4E7nWAGCCPm0iZ725m.jpg)
![Chapter 6: Out of the Ashes](https://image.tmdb.org/t/p/w300/8vPQS7dBgxd0U4xkqsPkUNXIaFp.jpg)
![Chapter 7: Inheriting the Earth](https://image.tmdb.org/t/p/w300/ghEoccNbXDPHiMR3qZHbu9VostT.jpg)
![Chapter 8: Age of Ice and Fire](https://image.tmdb.org/t/p/w300/uW4W3sDUDqYbivYTuhJE6y4dqOl.jpg)