Diving to Titanic is similar to preparing for space travel – it's a very hostile environment and less than 50 people have ever done it. Even more than 100 years later, the Titanic is still leading people to their death. Recent advances in science and technology have led to brilliant new discoveries and uncovered move of Titanic's hidden secrets, and this episode of How It Really Happened examines how the latest Titanic learnings upend our previous thinking about many of the ship's mysteries and myths. Weaving together the narratives of the shipwreck on April 14, 1912 and a recent underwater Oceangate voyage to the wreck that cost more human lives, this episode features interviews with Titanic historians, wreck analysts, descendants of Titanic passengers, and writer and producer Julian Fellowes (Titanic).