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Scientists in an underwater lab are picked off by a monster of the deep in this cheesy hybrid of ALIEN, THE THING, and THE ABYSS. Directed by action specialist George Pan Cosmatos, whose credits include OF UNKNOWN ORIGIN (yuppie endangered by giant rat), THE CASSANDRA CROSSING (train passengers threatened by plague epidemic), RAMBO (Vietnamese armed forces decimated by small angry man), and TOMBSTONE (ambitious script ruined by hack director).