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Plants grow to huge proportions and can duplicate any item placed in them - but those items are made of plant material and are useless. John Robinson must use the biggest batch of plant killer he's ever mixed up to stop these things from engulfing the spaceship.
First Air Date : Sep 15, 1965
Last Air date : Mar 06, 1968
Episode : 83 Episode
Season : 3 Season
Runtime: 60:14 minutes
Studio: CBS
Country: United States of America