Secrets of the Titanic

The Titanic is under a new threat. Resting at over 12,500 feet below sea level and 380 nautical miles off the coast of Newfoundland, the most famous shipwreck in the world is being consumed by a colony of iron-eating bacteria. This slow and irreversible decay, according to the most concerned experts, will sweep away all the secrets of the mythic liner within a few decades. This documentary details the underwater odyssey of the greatest Titanic expeditions and the evolution of the most scrutinized shipwreck in the world. From the epic discovery of the wreck by a French-American team in 1985 to the exploratory missions led by James Cameron, and to the treasure hunts that brought back over 5,000 vestiges–experience the unequaled thrill of these extreme dives through the eyes of the explorers who have attempted to unlock Titanic’s secrets.

Decades after the RMS Titanic sank into the Atlantic, the dream of investigating the wreckage was finally realized by undersea geologist Dr. Robert D. Ballard. In 1986, only a single camera crew was allowed to accompany his historic expedition. Using high-tech cameras mounted on submersibles, this remarkable program takes viewers into the frigid depths nearly two and a half miles below the ocean’s surface, revealing spectacular color images of the ship’s once-luxurious interior.

Based upon the life of Commander Francic D. Fane (USNR), UnderWater Warrior follows the evolution of the US Navy's Underwater Demolition Unit from its inception near the end of World War II through its acceptance and finally successful utilization in Korea. Landmark underwater camera work makes Underwater Warrior a milestone in cinematic history.

A young woman tells her parents and fiance (in flashback) about the recent sinking of the Titanic and her experiences as a passenger during the disaster. Her intended marriage now faces a new hazard because her fiance is a sailor and her parents have just been reminded of the dangers of the sea. Premiering in the United States just 29 days after the event, it is the earliest dramatization about the tragedy.

In 1912, the Titanic embarks on its inevitable collision course with history. In the wake of the over-spending required to build the largest luxury ship in the world, White Star Line executive Sir Bruce Ismay schemes to reverse the direction of his company's plummeting stock value. Onboard the Titanic, brave German 1st Officer Petersen struggles to convince his self-important British superiors not to overexert the ship's engines.

The sinking of the Titanic is presented in a highly realistic fashion in this tense British drama. The disaster is portrayed largely from the perspective of the ocean liner's second officer, Charles Lightoller. Despite numerous warnings about ice, the ship sails on, with Capt. Edward John Smith keeping it going at a steady clip. When the doomed vessel finally hits an iceberg, the crew and passengers discover that they lack enough lifeboats, and tragedy follows.

Documentary about the sinking of the Britannic during the First World War, examining how she ultimately came to suffer the same fate as her sister ship, the Titanic. The Titanic sank in April 1912, and her sister ship, the Britannic, ultimately suffered the fate, sinking in 1916 due to an explosion caused by an underwater mine. In the wake of the Titanic disaster, Britannic was re-engineered to be even stronger. And yet she sank in just 55 minutes - three times faster than Titanic. It's one of Britain's greatest untold disaster stories. Now on the 100th anniversary, presenters Kate Humble and Andy Torbet piece together exactly what happened in those 55 minutes. While Andy makes a dangerous dive to the wreck, Kate speaks to descendants of the survivors. The characters she uncovers include Violet 'Miss Unsinkable' Jessops, who survived both Titanic and Britannic, Captain 'Iceberg Charlie' Bartlett and lookout Archie Jewell, who miraculously survived while those around him died.

Valerie Taylor is a shark fanatic and an Australian icon – a marine maverick who forged her way as a fearless diver, cinematographer and conservationist. She filmed the real sharks for Jaws and famously wore a chainmail suit, using herself as shark bait, changing our scientific understanding of sharks forever.

Narratives of ecologists and conservationists are pitted against the human tendency to engineer and control in this probing documentary on the lucrative salmon-hatchery industry.

A wine documentary exploring the most suitable types of wine in extreme environments for the future of tourism. Episode 1 follows sommelier Bojan Radulovic and the deepest professional wine tasting ever attempted at -300m in a submersible.

Sir David Attenborough unveils the two stunning underwater realms of Saudi Arabia - the flamboyant Red Sea and the contrasting hot muddy Gulf, capturing for the first time the rare event of Palolo worms spawning at night.

The sinking of the RMS Titanic remains one of the most enduring and mysterious tragedies of the 20th century. For decades, investigators and amateurs alike have floated theories for why it occurred and who was to blame for the extraordinary loss of life, but no one answer could fully explain what happened. Until now. To mark the 100th anniversary of the infamous disaster, Smithsonian Channel will premiere Titanic's Final Mystery. The two-hour special investigates a century of theories and uncovers astonishing new forensic evidence that proves the most likely theory for the case.

Computer-generated imagery and other visualization techniques reveal how it would look if all the water was removed from RMS Titanic's final resting place.

Follow ocean legend Sylvia Earle, renowned underwater National Geographic photographer Brian Skerry, writer Max Kennedy and their crew of teenage aquanauts on a year-long quest to deploy science and photography to inspire President Obama to establish new Blue Parks to protect essential habitats across an unseen American Wilderness.

Forrest Galante explores stunning kelp forests and ocean depths never seen by humans to study the unusual sharks around the tip of South Africa.