“Planes go up… planes go down… what planes don’t do… is just vanish off the face of the Earth.” But that’s precisely what happened with Malaysian Airlines Flight 370, which was supposed to be a routine trip: A redeye from Kuala Lumpur to Beijing, with 239 passengers and crew on board. Shortly after takeoff on a calm 2014 night, MH370 vanished from radar screens for good.

The shocking disappearance of a commercial airliner made headlines, sparked riots, plunged the passengers’ next of kin into a nightmare, and generated a global search for answers that never came. Set across seven countries, Netflix’s “MH370: The Flight That Disappeared” uses powerful archives to reconstruct the night of the disappearance, giving viewers the chance to explore three of the most contentious theories about the plane’s disappearance.

It also features interviews with family members, scientists, journalists, and the ordinary people around the world who,...