Episode 1
Aired Jan 8, 2014
Alien Planets Revealed
NASA's Kepler telescope discovers thousands of exotic new worlds, some of which may even be able to harbor life.
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Episode 2
Aired Jan 15, 2014
Zeppelin Terror Attack
Britain develops defenses against German zeppelins that drop bombs on London during World War I.
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Episode 3
Aired Jan 22, 2014
Killer Typhoon
Meteorologists dissect Typhoon Haiyan, which stirred up 200-mph winds and a two-story-high storm surge; what made it so destructive and why the Philippines were so vulnerable to such a violent storm.
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Episode 4
Aired Jan 29, 2014
Ghosts of Murdered Kings
Scientists investigate bodies unearthed from Ireland's bogs to determine who they were and why their deaths were so violent.
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Episode 5
Aired Feb 5, 2014
Roman Catacomb Mystery
Maintenance workers stumble upon six caverns stacked with hundreds of skeletons in the Catacombs of Rome.
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Episode 6
Aired Feb 12, 2014
Great Cathedral Mystery
Using period tools and techniques, bricklayers build an experimental mini-Duomo to try to determine how Filippo Brunelleschi built the dome that crowns Florence's great cathedral of Santa Maria del Fiore.
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Episode 7
Aired Apr 2, 2014
Wild Predator Invasion
Scientists return predators such as wolves, bears and panthers to their natural environments.
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Episode 8
Aired Apr 9, 2014
Inside Animal Minds: Bird Genius
Problem-solving birds include a cockatoo that picks locks; a wild crow solves an eight-step puzzle; a raven solves a puzzle box so fast it is captured with high-speed photography.
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Episode 9
Aired Apr 16, 2014
Inside Animal Minds: Dogs & Super Senses
The high-powered senses of dogs, sharks and birds.
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Episode 10
Aired Apr 23, 2014
Inside Animal Minds: Who's the Smartest?
The smartest animals seem to be the ones living in complex social groups, like dolphins, elephants and apes.
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Episode 11
Aired May 7, 2014
Why Sharks Attack
Researchers in Australia and the U.S. investigate the hunting instincts of the great white shark.
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Episode 12
Aired May 14, 2014
Escape From Nazi Alcatraz
A group of British officers devise a plan to escape from Colditz Castle, a prisoner of war camp controlled by the Nazis in Germany.
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Episode 13
Aired May 28, 2014
D-Day's Sunken Secrets
Dive teams, submersibles and underwater robots search the seabed bordering the beaches of Normandy, France, for Allied ships that sank from German shellfire, mines and torpedoes.
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Episode 14
Aired Sep 10, 2014
Vaccines -- Calling the Shots
The science behind vaccinations; tracking epidemics; the human costs of refusing a vaccine.
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Episode 15
Aired Sep 24, 2014
Rise of the Hackers
Scientists in the fast-paced world of cryptography work to forge unbreakable codes to keep data safe.
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Episode 16
Aired Oct 8, 2014
Why Planes Vanish
Technology fails to track a Malaysian Airlines Flight MH370 when it mysteriously disappears.
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Episode 17
Aired Oct 8, 2014
Surviving Ebola
Medical teams in West Africa cope with a rising number of Ebola victims; scientists race to test vaccines in hope of finding a cure.
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Episode 18
Aired Oct 22, 2014
Ben Franklin's Balloons
A re-creation of an 18th-century hot-air balloon flight uses tools and materials available at that time.
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Episode 19
Aired Oct 29, 2014
First Air War
The role of early flying machines in World War I.
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Episode 20
Aired Nov 5, 2014
Bigger Than T.rex
The discovery of new fossil bones in a Moroccan cliff reopens the investigation into a creature called the Spinosaurus.
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Episode 21
Aired Nov 12, 2014
Emperor's Ghost Army
High-action experiments and 3-D technology provide insight into how China's terracotta army was made.
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Episode 22
Aired Nov 19, 2014
Killer Landslides
Scientists investigate the specific local geological and climatic factors behind the 2014 collapse of a hillside in Oso, Wash.
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Episode 23
Aired Dec 3, 2014
First Man on the Moon
Neil Armstrong's family and friends recall his achievements before and after the Apollo 11 moon landing, including his role in the inquiry into the Challenger disaster and his efforts to encourage young people to explore space and flight.
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