More than 1,500 people perished in the icy North Atlantic after the RMS Titanic sank beneath the waters on 15 April 1912. In this new video, Titanic expert Tim Maltin takes Dan Snow through the details of that fateful night as it happened. Could the disaster have been avoided? Is it like the movie? Did the orchestra keep playing? Was there a pistol onboard? Did Captain Edward Smith sink with his ship? Let's find out.