Nova1974 | TV Show

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PBS's premier science-documentary series, which has won six Peabody Awards and more than 20 Emmys (four in 2002 alone) since its 1974 debut. `Nova' clearly, and often engagingly, `demystifies' a vast range of science, technology and history topics---past a (more…)

Premiered: March 3, 1974

Rating: None

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Season 8, Episode 20 The Asteroid and Dinosaur

First Aired: March 10, 1981

Geologist Luis Alvarez proposes a theory that an asteroid's fall caused the extinction of dinosaurs 65 million years ago. Another theory postulates that the same cataclysm triggered the volcanic birth of Iceland. Bill Mason is the narrator.

Previous Episode

Beyond the Milky Way

Season 8, Episode 19

March 3, 1981

Next Episode

Animal Olympians

Season 8, Episode 21

March 17, 1981

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