NOVA
Ultimate Mars Challenge Preview
Airs Wednesday, December 11, 2013 at 9:00 p.m. ET/PT. Check your local listings.
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NOVA
Roman Catacomb Mystery Preview
Who or what killed hundreds of people hidden in a burial chamber nearly 2,000 years ago?
NOVA
Building the Great Cathedrals Preview
Airs Wednesday, December 25, 2013 at 9:00 p.m. ET/PT. Check your local listings.
NOVA
Extreme Animal Weapons Preview
NOVA uncovers the secrets of nature’s battleground—claws, horns, fangs and all.