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When the Musketeers investigate a haunted castle, all get captured but one. But the one committing the thefts and hiding out as ghosts at the castle turns out to be Martineau, the Highwayman.
First Air Date : Sep 07, 1968
Last Air date : Jan 11, 1969
Episode : 18 Episode
Season : 1 Season
Runtime: 9 minutes
Studio: NBC
Country: United States of America