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 Ghosts of StonehengePassport

NOVA

Ghosts of Stonehenge

Archaeological research uncovers provocative new clues about Stonehenge.

Ghosts of Stonehenge

Video thumbnail: NOVA Secrets of the Shining KnightPassport

NOVA

Secrets of the Shining Knight

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

Secrets of the Shining Knight

Video thumbnail: NOVA Death Dive to SaturnPassport

NOVA

Death Dive to Saturn

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

Death Dive to Saturn

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