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Mary falls in love with Seth. When Mary's eyesight starts to get worse, Charles takes her to a specialist. He is devastated when the specialist tells him that Mary will lose her sight. Charles is unable to tell Mary for a while that she is going blind. When Mary does go blind, the whole family suffers.
First Air Date : Sep 11, 1974
Last Air date : Mar 20, 1983
Episode : 204 Episode
Season : 9 Season
Runtime: 45 minutes
Studio: NBC
Country: United States of America