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Central HQ has to be quarantined after a boy is brought in suffering from a mysterious disease. Two crazy criminals are bringing trouble, too. The other officers investigate the past of the boy and find a puzzle piece in his ""bomb"". We learn that Grossie is learning Russian.
First Air Date : Sep 15, 1977
Last Air date : May 01, 1983
Episode : 139 Episode
Season : 6 Season
Runtime: 48:14 minutes
Studio: NBC
Country: United States of America