 The crewman working outside the lab is then attacked and the crew find him half out of the lab's moon pool.When his mask is removed it is revealed he has been totally transformed into a gelatinous mass.Commander Dobler orders the mass quarantined, but Claire and Barbara the medical officer over-ride him and the mass is moved to the lab where it is discovered to be both identical in composition to the substance Claire was studying, and also to be mutating into a man-sized stingray-like creature.