In Vancouver and Victoria

The true history of a collection of some 500 films dating from 1910s to 1920s, which were lost for over 50 years until being discovered buried in a sub-arctic swimming pool deep in the Yukon Territory, in Dawson City, located about 350 miles south of the Arctic Circle.

BBC Arena's documentary on the Dames of British Theatre and film featuring Maggie Smith, Eileen Atkins, Judi Dench and Joan Plowright on screen together for the first time as they reminisce over a long summer weekend in a house Joan once shared with Sir Laurence Olivier.

Canadian actress and filmmaker Sarah Polley investigates certain secrets related to her mother, interviewing a group of family members and friends whose reliability varies depending on their implication in the events, which are remembered in different ways; so a trail of questions remains to be answered, because memory is always changing and the discovery of truth often depends on who is telling the tale.

For the 20th anniversary of "Titanic," James Cameron reopens the file on the disaster.

With a team of the world's foremost historic and marine experts as well as friend Bill Paxton, James Cameron embarks on an unscripted adventure back to the wreck of the Titanic where nearly 1,500 souls lost their lives almost a century ago.