Extreme Cave Diving | Preview
Preview: Season 37 Episode 5 | 1m 25sVideo has Closed Captions
Watch Wednesday, Dec. 2, 2015. Check your local listings.
A team of intrepid scientists journey into one of Earth's most dangerous and beautiful underwater frontiers.
Problems playing video? | Closed Captioning Feedback
Problems playing video? | Closed Captioning Feedback
National Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is provided by the NOVA Science Trust and PBS viewers.
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Extreme Cave Diving | Preview
Preview: Season 37 Episode 5 | 1m 25sVideo has Closed Captions
A team of intrepid scientists journey into one of Earth's most dangerous and beautiful underwater frontiers.
Problems playing video? | Closed Captioning Feedback
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National Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is provided by the NOVA Science Trust and PBS viewers.