In 1945, five naval aircraft vanished without a trace while travelling across the mysterious expanse known as the Bermuda Triangle. This thrilling documentary looks at some of the reasons behind the disappearance, from weird weather to something more paranormal. Then the extraordinary mirage phenomenon known as Fata Morgana, which could be behind some of the area's strange happenings, is explored.

The legend of the Bermuda Triangle was established when a bestselling book was published in the 1970s. This exhilarating documentary investigates the book and its claims and considers why the public was so fascinated by the story. Elsewhere, a young fisherman in the Bahamas who spent 16 terrifying days lost in the Bermuda Triangle and lived to tell the tale describes his uncanny experience.

Another intriguing maritime mystery, the lost city of Atlantis, magically appears as this gripping documentary series concludes. Its connection to the Bermuda Triangle and bizarre disappearances within it are investigated. Plus, one of the Triangle's deadliest threats, invisible reefs lurking beneath the waves, could explain some of the tragedies that have occurred in the region.