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A young boy shows up at the Harts gate in the middle of the night claiming to be Jonathan Hart, Jr. The child proves to be the unwitting pawn in his biological father's criminal plot.
First Air Date : Sep 22, 1979
Last Air date : May 22, 1984
Episode : 110 Episode
Season : 5 Season
Runtime: 60:14 minutes
Studio: ABC
Country: United States of America