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The Harts are invited to a unique, off-beat party -- a treasure hunt at a haunted house. When another guest is murdered, the Harts race against time to find the murderer before someone else becomes victim.
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