Season 44

Video thumbnail: NOVA Day the Dinosaurs Died

NOVA

Day the Dinosaurs Died

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

Day the Dinosaurs Died

Video thumbnail: NOVA Bird BrainPassport

NOVA

Bird Brain

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

Bird Brain

Video thumbnail: NOVA Extreme Animal WeaponsPassport

NOVA

Extreme Animal Weapons

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

Extreme Animal Weapons

Video thumbnail: NOVA Killer FloodsPassport

NOVA

Killer Floods

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

Killer Floods

Video thumbnail: NOVA Killer HurricanesPassport

NOVA

Killer Hurricanes

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

Killer Hurricanes

Video thumbnail: NOVA Killer Volcanoes

NOVA

Killer Volcanoes

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

Killer Volcanoes

Video thumbnail: NOVA Secrets of the Forbidden CityPassport

NOVA

Secrets of the Forbidden City

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

Secrets of the Forbidden City

Video thumbnail: NOVA Eclipse Over AmericaPassport

NOVA

Eclipse Over America

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

Eclipse Over America

Video thumbnail: NOVA Poisoned Water

NOVA

Poisoned Water

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

Poisoned Water

Video thumbnail: NOVA Chinese Chariot RevealedPassport

NOVA

Chinese Chariot Revealed

A team of experts rebuild an ancient battle chariot to help uncover its design secrets.

Chinese Chariot Revealed

Video thumbnail: NOVA Building Chernobyl's MegaTombPassport

NOVA

Building Chernobyl's MegaTomb

Engineers race to build a massive dome to contain the crumbling remains of the reactor.

Building Chernobyl's MegaTomb