The American cargo freighter the SS Flying Enterprise. Host: John Chatterton.
The wrecks of two Coast Guard cutters are discovered off North Carolina's Outer Banks. Host: John Chatterton.
Searching for the wreck of L'Orient, the 120-gun flagship of a French fleet defeated by the British Royal Navy at Egypt's Aboukir Bay in 1798.
Divers John Chatterton and Richie Kohler search the Great Lakes for the remains of the Cornelia B. Windiate.
The infamous pirate Blackbeard and his flagship, the Queen Anne's Revenge.
The Duke of Buccleugh and the Vandalia collide while sailing the English Channel in 1889.
Divers John Chatterton and Richie Kohler investigate the 1929 disappearance of the SS Milwaukee.
John Chatterton and Richie Kohler dive in Alexandria for the archaeological ruins that hold the key to the pharaoh's treasure.
Probing why the Tecumseh, a single-turret Civil War monitor, sank during a Union attack on Mobile Bay in 1864.
The USS Perry is rocked by an explosion while clearing mines in advance of the Allied invasion of the Palau islands.
The team dives 95 miles off the shore of Key West to look for a German secret weapon that could have changed the course of World War II and the Cold War.
Probing the twisted tale of the sinking of the German merchant ship Rhein before the United States declared war on Adolf Hitler's Third Reich.
Examining a World War II German U-boat that was sunk in the Moray Firth in 1945. Host: John Chatterton.
Exploring secret water-filled caves, the team tries to unravel the mystery of a Caribbean lost city and why the Taino people vanished.
With only canoes and crude tools, the prehistoric Micronesians build an imposing fortress rising from the sea.
Divers probe the wreck of the Susan B. Anthony, a World War II troopship loaded with 3,000 men when it was rocked by two explosions off Omaha Beach in 1944.
Sixty-six German warships lying off Scotland sink on June 21, 1919.
In the space of two weeks, the New Jersey clam-fishing fleet loses four boats and 20 men.
An explosion rips through a U.S. destroyer after the D-Day landings.
Discovering a U.S. submarine that vanished near Portsmouth, N.H., with 33 crewmen in 1941.
Diving into the mystery behind monster sightings in the cold waters of Scotland's Loch Ness.
A cargo carrier formerly used by Admiral Richard Byrd to travel to Antarctica sinks suddenly in calm seas.
A ship hauling coal capsizes and sinks in a savage winter storm.
An armored cruiser sinks a few miles off 1918 Long Island, N.Y.
A tugboat towing a barge loaded with coal suddenly lists and sinks.
Two ships become entangled together near the coast of England.
Investigating the sinking of the brand new sailing ship North Carolina on Dec. 30, 1879. Hosts: John Chatteron and Melanie Paul.
Investigating mysteries surrounding the World War II Japanese submarine Shinohara, which was lost in 1944.
Civil War-era paddleship Marie Celestia sits intact on the ocean floor.
An unlicensed ferry attempting to smuggle 300 illegal immigrants into Italy disappears 19 miles offshore.
Two locomotives end up 90 feet below the Atlantic Ocean seven miles off the coast of New Jersey.
In the summer of 2002, a series of mysterious small oil spills spreads alarm along the northern California coastline.
An American minesweeper explodes and sinks off 1944 Normandy.
Explorers find a cache of Mayan artifacts hidden deep within a Mexican cave.
An explosion rips through a luxury cruise ship, sinking it off the coast of Florida.
Most of the duplex-drive tanks used on D-Day sank before they reached the beaches.
A team of divers descends nearly 300 feet to examine what they think is a sunken supply ship.
Japan demands that the United States retrieve the wreckage of a fishing trawler sunk in a collision with a submarine.
A World War I German raider ship and a World War II Japanese carrier sink within inches of each other off the island of Guam.
A surprise attack by one of Japan's new secret weapons sends a U.S. refueling ship to the bottom of a Pacific lagoon.
A Canadian passenger liner collides with a coal carrier, killing more than 1,000 people.
In 1942 dozens of German U-boats wreak havoc in the Gulf of Mexico.
Divers explore the wreck of a German U-boat that surfaced and surrendered off the U.S. East Coast during World War II.
An American submarine sinks off the coast of New Jersey in 1920.
The luxury liner Andrea Doria lies in 250 feet of water off Nantucket.
The Japanese midget sub that started World War II in the Pacific rests 1,200 feet under the waters outside Pearl Harbor.
A wrecked B-29 Superfortress carrying a mysterious piece of equipment lies at the bottom of Nevada's Lake Mead.
Mel Fisher locates treasure from the Nuestra Senora de la Atocha, a Spanish galleon that went down off the Florida Keys in 1622.
Remnants of an 18th-century Chinese opium trader turn up in California in 1984.
Art treasures went down with the Vrouw Maria, a Dutch merchant vessel that sank in 1771 while en route from Amsterdam to St. Petersburg in Russia.
Divers explore the wreck of the Henrietta Marie, a slave ship that sank off Key West during a hurricane after delivering its human cargo in July 1700.
Sunk during a 1913 storm on Lake Huron, the Regina is found 73 years later. Hosts: veteran divers John Chatterton and Richie Kohler.
Divers explore the wreck of the Montana, a "mountainboat" built to carry passengers and freight West that sank on the Missouri River in 1884.
Probing the wreck of the Estonia, a ferryboat with nearly 1,000 people aboard when it capsized and sank in the Baltic Sea in 1994.
Investigating whether a Pacific typhoon or a structural flaw caused the sinking of a British freighter with all 44 hands in 1980.
Marine archaeologists search for the wreck of the Portland, one of hundreds of ships sunk during 1898 Thanksgiving weekend storms off the coast of New England.
A freighter named the Edmund Fitzgerald and its 29-man crew disappeared beneath the stormy waters of Lake Superior on Nov. 10, 1975.
Early in World War II, the U.S. Navy realizes that its submarine torpedoes are defective.
The initiative of individual submarine captains proves instrumental in the American victory in the Pacific.
U.S. Navy submariners of World War II stalk their victims.
A reactor accident threatens to destroy a Soviet ballistic missile submarine.
Unexplained tragedies occur in the Bermuda Triangle and the Great Lakes Triangle.
Technicians raise the first battle submarine from the ocean bottom.
A German remote-controlled rocket-boosted bomb strikes a U.S. troop ship off the coast of North Africa.
The German battle cruiser Scharnhorst sinks rapidly after being hit during World War II.
A 12-year-old's school project helped exonerate Capt. Charles B. McVay III, who was court martialed after the Indianapolis was sunk.
Technicians work to recover the Civil War's most advanced warship from the deep.
The wrecks of more than 6,000 ships cover the floors of the Great Lakes.
The waters of Florida are rich in stories of pirates and treasures lost and found.
Heavy traffic, shifting shoals and vicious storms have caused thousands of shipwrecks off the coast of Cape Cod.
Many ships carrying prospectors for the gold rush wreck along the California coast.
Technology helps undersea explorers find the wreck of the Titanic, the "unsinkable" ocean liner that went down on April 15, 1912.