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Nazi Attack on America Preview

Preview: Season 42 Episode 10 | 30s

Long before 9/11, a far deadlier, little-known attack from the ocean depths struck our shores, lasting three-and-a-half years and claiming 5,000 lives. Now, famed undersea explorer Bob Ballard, discoverer of the Titanic, investigates the wreck of one of the attack craft, a German submarine that lies at the bottom of the gulf just a few miles off New Orleans.

Aired: 04/13/15

Rating: TV-PG

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