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A series of cleverly orchestrated crimes in a section of San Francisco leads the Chief to the conclusion that a pair of bored society beaux have turned the city into a giant chessboard, and are playing a game with the citizens as their chess pieces.
First Air Date : Mar 28, 1967
Last Air date : Jan 16, 1975
Episode : 191 Episode
Season : 8 Season
Runtime: 60:14 minutes
Studio: NBC
Country: United States of America