Nova: Nazi Attack on America
Preview | 30s
"Nazi Attack on America" – Famed undersea explorer Bob Ballard investigates the wreck of a German submarine that was part of a little-known attack on our shores. (Also Fri. 5/8 at 3 a.m.; Sun. 5/10 at 2 p.m.)
Aired: 04/06/15
Expired: 05/06/15
