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  - How to Make Crack
    Show: Drugs Inc.
  - Make It, Take It
    Show: Drugs Inc.
  - Inside 9/11: Zero Hour
    Show: Inside 9/11
  - Making of Genius
    Show: Genius: Einstein
  - Growing Up Butterfly
    Show: Great Migrations
  - Kush Royal Cemetery
    Show: Black Pharaohs: Empire of Gold
  - Character profile: meet Albert Einstein
    Show: Genius: Einstein
  - Gender Revolution A Journey with Katie Couric Trailer
    Show: Gender Revolution: A Journey With Katie Couric
  - Semen Slurping Macaque
    Show: World's Weirdest
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  - Meet the Tuna.com Crew
    Show: Wicked Tuna
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    Show: To Catch a Smuggler
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    Show: When Sharks Attack
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    Show: Shark Beach with Chris Hemsworth
  - Heroin
    Show: Drugs Inc.
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    Show: When Sharks Attack
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    Show: Wicked Tuna
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Inside Nature's Giants
Inside Nature's Giants dissects the largest animals on the planet to uncover their evolutionary secrets.
(01:02)
Huge Spiders
Is there a new species of mega spider lurking in the Amazon rainforest? Eeek!
(00:41)
Baby Steps
Female elephants gather around to witness a day-old calf's first tentative steps.
(01:27)
Elephant Attack
An animal trainer is killed by his elephant during a performance; why did it attack?
(02:32)
Character profile: meet Elsa Einstein
Meet Elsa Einstein, wife of Albert. Genius Season 1 premieres April 24 only on National Geographic.
(02:29)
The Genographic project in New York
Geneticist Spencer Wells and his team are attempting to retrace humanity's journey to all corners of the earth on this single...
(03:12)
Collapse of Earth?
See scientists in 2210 uncover the ruins of a great civilisation.
(00:43)
Green Issues
Climate experts continue to examine what effect each rise of 1ºC could have on the world.
(01:17)
Hell on Earth: Official Film Trailer
From award-winning filmmakers Sebastian Junger and Nick Quested, ‘Hell on Earth’ chronicles Syria’s descent into the...
(01:32)
Megalodon - Episode 1
Megalodon was the biggest predator ever to swim the oceans who ruled the seas for 20 million years.
(01:06)
World without Oil
Oil is one of the most important commodities today. What would our world look like if we ran out of oil?
(01:14)
Hitler's Stealth Fighter
A team of aviation experts rebuild and put the legendary stealth fighter to the test.
(01:05)
Gender Revolution A Journey with Katie Couric Trailer
(00:30)
Character profile: meet Albert Einstein
Meet Albert Einstein, the subject of Genius Season 1.
(02:46)
Inside 9/11: Zero Hour
The world changed when two hijacked airliners crashed into the Twin Towers. We look at the events leading up to it and ask why...
(01:45)