A trio of maritime experts discuss the disappearance of real ships, including the most famous maritime mystery of all time, the Mary Celeste. With the University of London's Professor Roger Luckhurst, Merseyside Maritime Museum's Ian Murphy and The National Maritime Museum's John McAleer. Thanks to: The National Maritime Museum, Rob Semenoff; Camera: Steve Broster; Colourist: Jonathan Wood; Executive Producer: Dan Hall; Producer: Stella Broster.