Documentary narrated by Tom Brokaw. National Geographic delves into the untold storylines and unresolved mysteries surrounding the Japanese attack on Pearl Harbor on Dec. 7, 1941. Oceanographer Robert Ballard dives deep into the waters of the harbor to find the remains of a Japanese sub and closely examine the famous wreckage of the USS Arizona. This footage is mixed with interviews with survivors of the attack.

Almost every major culture includes an ancient flood story. What if evidence of the Great Flood could be found? Join Dr. Robert Ballard, discoverer of the Titanic, on an odyssey to find the submerged truth about the Great Flood. Dr. Ballard sets off to look for ancient shipwrecks, and search for evidence supporting a controversial theory that links the legend of the Great Flood with the catastrophic flooding of the Black Sea around 5500 B.C. As his sonar scans the desolate sea floor, and robotic submersibles search the haunting darkness of the Black Sea's "dead zone," the truth begins to emerge from the murky depths of myth and legend.

National Geographic follows underwater explorer Bob Ballard as he searches for the aircraft carrier sunk during the Battle of Midway.

An account of Dr. Robert D. Ballard's exploration of the wreck of the Britannic in September 1995. Britannic, the sister-ship of the Titanic, was sunk after a mysterious explosion while serving as a hospital ship during World War One. Ballard sets out to relocate the wreck and attempts to prove once and for all whether it was a German mine or torpedo which inflicted the fatal damage.