Secrets of the Forbidden City

NOVA

Day the Dinosaurs Died

Experts drill into the impact crater of an asteroid that created a worldwide cataclysm.

S44 Ep21 | 53m 30s

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NOVA

Bird Brain

Watch as birds solve puzzles and challenge our basic notions of intelligence.

S44 Ep20 | 53m 30s

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NOVA

Extreme Animal Weapons

NOVA uncovers the secrets of nature’s battleground—claws, horns, fangs and all.

S44 Ep19 | 52m 55s

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NOVA

Killer Floods

Scientists uncover geologic evidence of epic floods that tore through ancient landscapes.

S44 Ep18 | 54m

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NOVA

Killer Hurricanes

Experts reconstruct the Great Hurricane of 1780 to help predict the risk of future storms.

S44 Ep17 | 53m 1s

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NOVA

Killer Volcanoes

Scientists hunt for a mega-eruption that plunged medieval Earth into a deep freeze.

S44 Ep16 | 54m

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NOVA

Secrets of the Forbidden City

How has China’s magnificent Forbidden City withstood centuries of earthquakes?

S44 Ep15 | 53m 30s

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NOVA

Ghosts of Stonehenge

Archaeological research uncovers provocative new clues about Stonehenge.

S44 Ep14 | 53m 36s

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NOVA

Secrets of the Shining Knight

Discover the world of medieval knights and see how their armor was made.

S44 Ep13 | 53m 30s

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NOVA

Death Dive to Saturn

Follow Cassini's final days as it skims the cloud tops before plunging into the planet.

S44 Ep12 | 54m 32s

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NOVA

Eclipse Over America

The country’s first solar eclipse in 99 years will cast a light on the Sun’s secrets.

S44 Ep11 | 53m 2s

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NOVA

Poisoned Water

What exactly went wrong in Flint—and what does it mean for the rest of the country?

S44 Ep10 | 54m 7s

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