Watch S1, EP4: Doom of the Dinosaurs for $0 Today
In the Triassic period, dinosaurs rose to dominate the planet for 150 million years; 66 million years ago, the dinosaurs vanished along with 75% of all species; experts use the latest scientific methods to discover what killed the dinosaurs.
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S1, EP5 "Age of Humankind"
Shortly after humans appear, they become the dominant species on Earth, but face threats from both above and below -- volcanic eruptions and falling asteroids; now scientists around the world use the latest technology to mitigate future catastrophes.
S1, EP4 "Doom of the Dinosaurs"
In the Triassic period, dinosaurs rose to dominate the planet for 150 million years; 66 million years ago, the dinosaurs vanished along with 75% of all species; experts use the latest scientific methods to discover what killed the dinosaurs.
S1, EP3 "Great Dying"
540 million years ago, the ancestors of modern organisms suddenly emerge in the Cambrian seas; evolution progresses and leaps onto land; but 250 million years ago, huge volcanic eruptions trigger the most severe mass extinctions in Earth's history.
S1, EP2 "Snowball Earth"
Throughout its history, Earth has continuously fluctuated between greenhouse and icehouse; an icehouse phase known as Snowball Earth was the most extreme period of cold the planet ever witnessed, with ice encasing Earth from the poles to the equator.
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