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A documentary series on the wildlife found on Earth. Each episode covers a different habitat: deserts, mountains, deep oceans, shallow seas, forests, caves, polar regions, fresh water, plains and jungles. Narrated by David Attenbo...

David Attenborough returns with a new wildlife documentary that shows life in a variety of habitats.

Astronomer Carl Sagan leads us on an engaging guided tour of the various elements and cosmological theories of the universe.

A middle-school math teacher Olive and her marriage with Henry which spans 25 years.

Follow James Burke through the history of science and technology in this collection of 10 1-hour episodes, starting with "The Trigger Effect."