In June 2023, the OceanGate submersible imploded 3,800 meters below sea level on its final mission. With unprecedented access to the United States Coast Guard’s investigation and never-before-seen video,#ImplosionTheTitanicSubDisaster uncovers the extraordinary story of what caused the disaster and how it might have been prevented. Watch the two-hour special on Wednesday, May 28 at 9p on Discovery.