Entrepreneur Stockton Rush dreamed of a revolutionary submersible that could take adventurous tourists into the deep sea to view the fabled Titanic wreckage. "Truth and Lies: Final Dive of the Titan" reports on how Rush's Titan submersible became a cautionary tale about the risks of innovation. Through interviews with Rush's friends, former Titan "mission specialists" and adventure pioneers, the episode explores the groundbreaking technology behind the Titan,