On 8 March 2014, Malaysia flight 370 departed Kuala Lumpur for Beijing on a standard 11-hour flight. There were 227 passengers on board with 12 crew members, including two very experienced and respected pilots. However, only a few hours later, the plane disappeared from the world’s radar entirely. To this day the body of the aircraft, as well as the 239 people on board, have never been found. So what could gave happened? In today’s episode we look into the most substantial theories - from terrorism to lithium fires or mass murder- to find answers to the greatest aviation mystery of all time.