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PBS's premier science-documentary series, which has won six Peabody Awards and more than 20 Emmys since its 1974 debut.

Bird Brain

Watch as birds solve puzzles and challenge our basic notions of intelligence.
Day the Dinosaurs Died

Day the Dinosaurs Died

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

Black Hole Apocalypse

Black Hole Apocalypse

Take a mind-blowing voyage to the most powerful and mysterious objects in the universe.

Extreme Animal Weapons

WETA PassportExtreme Animal Weapons

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

Killer Floods

WETA PassportKiller Floods

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

Killer Hurricanes

WETA PassportKiller Hurricanes

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

Killer Volcanoes

WETA PassportKiller Volcanoes

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