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Mary gets a chain letter from Lou, and she is persuaded to send it on. To her surprise, one of the recipients comes for a visit, giving Mary a less than pleasant time dealing with him.
First Air Date : Sep 19, 1970
Last Air date : Mar 19, 1977
Episode : 168 Episode
Season : 7 Season
Runtime: 25:14 minutes
Studio: CBS
Country: United States of America