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A sick lady with a monkey provides the key to a mysterious, highly contagious, and deadly virus that strikes both Dr. Brackett and John. Meanwhile, the firemen rescue a boy from a treehouse and a man from a scaffold.
First Air Date : Jan 22, 1972
Last Air date : Jul 03, 1979
Episode : 128 Episode
Season : 7 Season
Runtime: 60:14 minutes
Studio: NBC
Country: United States of America, United Kingdom
Crew: Jack Webb (Producer)
