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A husband and wife Antarctic research team is killed by an experiment on plankton gone wild. Seaview arrives to investigate and take plankton samples. Soon the submarine is in danger of succumbing to the horrible, slimy growth. Nelson, Crane and crew face another problem: one of the three scientists on board the sub is an enemy agent.
First Air Date : Sep 14, 1964
Last Air date : Mar 31, 1968
Episode : 110 Episode
Season : 4 Season
Runtime: 50:14 minutes
Studio: ABC
Country: United States of America
Crew:
