Extras
Get ready for the all-new season, coming January 17, 2027 at 9/8c.
The cast play a game of "What's in the vet bag?" with sentimental props from the series.
See how the unique partnership between two countries made the iconic monument possible.
Join Elmo and the Sesame Street gang on a once-in-a-lifetime African safari adventure.
New discoveries reveal how pivotal Great Zimbabwe was to global trade.
Discover all-new Secrets of the Dead on Wednesdays this fall, starting October 14 at 10/9c.
The story of the dolphin reveals how intelligence evolved, step by step, over billions of years.
Discover filmmaker and playwright Luis Valdez, a founding figure of the Chicano Movement.
A filmmaker explores racial justice in his hometown as he returns to his conservative father.
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Eons Season 9
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Eons Season 1
During the Permian Period many tetrapods, or four-limbed vertebrates, took to life in the trees.
Life begins to rebound after the destruction of the mass extinction ending the Permian Period.
An apocalypse ended the Permian Period 252 million years ago, wiping out more than 80% of species.
The first saber-teeth and tusks evolve in the Late Permian and our ancestors, the cynodonts, appear.
For millions of years after the Great Dying microbes ruled the Earth.
An extinction in the Middle Permian decimates life, from a fossil reef to our ancient relatives.
The first herbivorous vertebrates evolve on the side of the amniote family tree leading to mammals.
Seed plants and amniotes adapt to dry climates, helping them thrive on Pangea in the Permian Period.
How did Homotherium evolve to be so successful? The answer may lie in the rise of the Tibetan plate.