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Mystery of Easter Island Preview
0:30
Mystery of Easter Island Preview
A team of scientists and volunteers test a theory on how these ancient statues were moved.
Forensics on Trial Preview
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Forensics on Trial Preview
Airing October 17, 2012 at 9 pm on PBS
Deadliest Tornadoes Preview
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Deadliest Tornadoes Preview
Why was the 2011 tornado season in the U.S. so extreme?
Separating Twins Preview
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Separating Twins Preview
Follow the amazing story of Trishna and Krishna, girls born joined at the head.
Extreme Cave Diving | Preview
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Extreme Cave Diving | Preview
Watch Wednesday, Dec. 2, 2015. Check your local listings.
Becoming Human Part 2 Preview
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Becoming Human Part 2 Preview
Premiers on air and online Tuesday, Nov. 10, 2009.
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Extreme Ice Preview
Airs Wednesday, December 18, 2013 at 9:00 p.m. ET/PT. Check your local listings.
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Darwin's Darkest Hour - Preview
Airs Wednesday, December 7, 2011 at 9:00 p.m. ET/PT. Check your local listings.
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Doctors' Diaries - Preview
Get the final update on the seven doctors NOVA documented for 21 years.
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Arctic Dinosaurs - Preview
Airs Wednesday, July 27, 2011 at 9:00 p.m. ET/PT. Check your local listings.
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Hunting the Hidden Dimension - Preview
Airs Wednesday, August 24, 2011 at 9:00 p.m. ET/PT. Check your local listings.
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The Great Inca Rebellion - Preview
Airs Wednesday, May 16, 2012 at 9:00 p.m. ET/PT. Check your local listings.
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