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When a mass missile launching by a foreign power sets the U.S. on nuclear alert, the Seaview goes into a fail-safe maneuver, but is the launch really what it appears to be, and does this actually mean it's "doomsday?"
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:
