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.

James Cameron, Jon Landau, and Kate Winslet reflect on the making of Titanic, sharing unseen footage, behind-the-scenes insights, and memories that shaped cinema’s most unforgettable love story.

The story of an ex-sea captain who uses devious means to make his salvage company a success. Based on Longfellow's famous poem.

An idyllic weekend in the mountains turns into a harrowing nightmare for an expectant young couple. Three weeks before it’s due date, the baby starts to kick and in a desperate drive to the hospital they suffer an horrific accident. Stuck out in the American wilderness, the couple are stranded and totally isolated. Pinned in the wreck of their car, they begin to suffer from injury, dehydration and infection and the baby is coming. Their struggle for survival grows all the more terrifying as they begin to wonder if they really are all alone.

Readings from the diaries, accounts and letters of its passengers and crew tell the story of the Titanic, which sank 100 years ago today on its maiden voyage. The cast includes Richard E Grant, Roger Allam, Anna Madeley, James Wilby and Claudie Blakley, alongside relatives of those who were on board. Charles Dance narrates.

From celebrated author Janette Oke comes a rigorous and romantic adventure as epic as the wide frontier. Erin Krakow, Jack Wagner and Pascale Hutton star in When Calls The Heart: Into the Woods. Elizabeth goes on a trip with Lucas and must come to terms with her growing feelings for him, while Nathan grapples with his own emotions for Elizabeth. Later, Elizabeth takes half the class on a field trip in the woods when a dangerous and sudden windstorm erupts putting her and the other residents of Hope Valley in danger.

Henry Williams, out in Arizona looking for a cure for his imaginary ills, stops at the ranch of Jud Morgan, and decides to stay. Jud's daughter, Sally, attracts his attention, although she is engaged to be married to Sheriff Bob Wells. Henry rides with her to town, where she wants to go shopping for her wedding clothes, but they run out of gas. No, problem' Henry holds up a passing motorist, with a monkey-wrench, and takes gasoline out of his car. They stop at a ranch where the foreman makes them become the cook and dishwasher. Then Jerome Underwood and his daughter, Harriet, arrive and they recognize Henry and Sally as the ones who held them up for gas. The jealous sheriff adds to the complications.

The film explores the background and build-up to this final flight to disaster. Using dramatic reconstruction, archive footage and exclusive interviews with leading historians and engineering experts, the special delves into the political and scientific events that led up to the catastrophe.

Sitting inside his mini-sub, two and a half miles under the Atlantic Ocean, James Cameron is playing the ultimate video game. Using piloting techniques perfected in earlier dives to other parts of the ship, he steers a remote operated vehicle down the stairs toward the Turkish Baths - a place he has dreamed of since he first saw the wreck 10 years ago. Less than one hundred feet away, beyond a series of barriers he can't see, is one of the last great, unseen places inside Titanic...

For seven decades after its tragic sinking, the Titanic lay undiscovered on the ocean floor. This compelling two-part documentary tracks the search for the wreck across the depths of the Atlantic.