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    Show: Gender Revolution: A Journey With Katie Couric
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Growing Up Butterfly
Witness the lifecycle of a monarch butterfly - from egg to pupa to adult.
(03:00)
In The Womb: Identical Twins
Specially shot microscopy footage reveals the hidden world of twin fetal development.
(01:34)
Elephant Attack
An animal trainer is killed by his elephant during a performance; why did it attack?
(02:32)
Megalodon - Episode 1
Megalodon was the biggest predator ever to swim the oceans who ruled the seas for 20 million years.
(01:06)
Brand New Tesla Factory
Tesla Motors founder Elon Musk is out to create the world's first manufacturing plant for the fully electric car.
(02:55)
The Surrender
Join us to discover the fierce battle between lions and their mortal enemies, in a fierce fight over food.
(03:00)
Uzbek Hideout
Thai Police raid a suspected hideout of an Uzbek Human Trafficking gang.
(03:00)
Hagia Sofia: Dome Secrets
Explore the secrets in the building of the crowning glory of Hagia Sophia, a dome 56 metres high and 31 metres across. Find...
(04:58)
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)
How to Make Crack
Crack maker, Baby Doh, shows how he turns regular cocaine into crack.
(02:00)
Green Issues
Climate experts continue to examine what effect each rise of 1ºC could have on the world.
(01:17)
The holocaust by bullets
Himmler and Heydrich set up execution commandos called Einsatzgruppen that are composed of SS members, policemen and Wehrmacht...
(03:09)
Monster Fish
Jakub fights with an enormous predator and almost gets dragged to the river’s bottom.
(03:15)
Kiko, Tootsie & Ginger, and Binkey
Kiko, Tootsie & Ginger, and Binkey
(04:15)
Fixing Up Alpacas
Meet these soft, calm and very valuable animals.
(03:00)
Big Fish
Jakub gets a perfect sample of a Nile Perch for parasite research.
(03:01)
Powerful Beast
Vágner ventures into the world’s largest rain forest to go head-to-head with the giant piraiba catfish.
(03:08)
A Womb With A View
A womb with a view. Was it cameras, models or CGI? The production team and scientific experts uncover the show's secrets.
(03:04)
Swimming With Sharks
With no wetsuits, these divers swim freely in shark-infested waters.
(02:05)
Islands of Bahamas Blue Hole
Islands of Bahamas Blue Hole webisode from Diving the Labyrinth series on National Geographic Channel.
(03:02)