The stunning final moments of TransAsia Flight 235. The mystery and conspiracy theories behind TWA Flight 800. The disorienting forest fire that jeopardized Garuda Indonesia Flight 152. When planes crash, the world takes notice, and so do the experts, whose job it is to figure out what happened. Revisit some of history’s most notorious air disasters, retold through eyewitness accounts and interviews with the investigators who ultimately determined what went wrong.