Tonight's Lineup (all times ET/PT)
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8:00pm
Grizzly
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9:00pm
Dancers on Fire
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10:00pm
Undersea Edens: Desert to Reef
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artiFACTS
Smithsonian entomologists use a specially designed "pooter" to carefully pick up small ants for observation.
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Download our iPad App for Free
Experience an exciting new way to explore our vast video collection and select full-length shows.
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Air Disasters New Full Episode
How long can a disabled 95-ton machine float on air before gravity pulls it down? Find out.
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Play the Titanoboa: Monster Snake Game
It's wildly addictive! Try to beat our top scores while keeping your giant titanoboa alive and swimming.
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