Aka：Что скрывается в глубине / 블러디 사이렌: 핵잠수함 USS 타이탄 / 海底潜伏 / 潛艦美人魚 / O Que Se Esconde Sob as Águas / ما يختبئ تحت الأرض / Lo Que Se Esconde Bajo el Agua
Summary：The crew of USS Titan find themselves on the brink of WWIII with Russia when a naked stowaway appears in one of their torpedo tubes. Captain Banks fears she may be Russian, but she's something far more dangerous.
