Deep Sea Detectives

U-Boats in the Gulf!

Sinking on the St. Lawrence

Death by Human Torpedo

Exploring the wreckage of the USS Mississinewa, which was sunk near the Caroline Islands in 1944 by a Japanese torpedo manually guided on a suicide mission.

Graveyard of Ships

Death in the Pacific

Destroyer Down

The Lost Tanks of D-Day

Exploring the wreckage of Duplex Drive Tanks that sank off the coast of Normandy during the D-Day invasion on June 6, 1944.

Explosion at Sea

Secret Underwater Caves

D-Day Minesweeper

Exploring the World War II minesweeper YMS-304, which was sunk off the coast of Normandy a month after the D-Day invasion.

Time Bomb of the Deep

Underwater Train Wreck

Death in the Mediterranean

This episode explores a ferryboat that sank off the coast of Sicily in 1996.

The Confederacy's Secret Weapon

It was the first submarine ever to sink an enemy ship, but after only one successful mission the H.L. Hunley vanished with its crew and lay hidden for more than a century. The circumstances surrounding the disappearance of the Confederacy’s secret weapon have remained an enduring mystery since the Civil War era, but now NGC has uncovered what may have brought it down.

Pearl Harbor's Revenge

Mystery Sinking in Bermuda

Mystery U-Boat of World War I

Tugboat Down!

Cruiser Under Siege

Ship of Doom

Sinking by Sabotage