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Dr. Bulthrod's plane, carrying precious specimens of a rare plankton, is shot down. The plankton escapes into the sea where it grows and threatens to engulf the entire Earth.
First Air Date : Oct 06, 1966
Last Air date : Oct 06, 1966
Episode : 78 Episode
Season : 1 Season
Runtime: 30:14 minutes
Studio: NBC
Country: Japan
Crew: