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Mary unearths a dark secret being kept by a Spanish prince, so she seeks Catherine's counsel. Meanwhile, suspicion surrounds a new ambassador from English court; and Bash's quest to find a mysterious murderer takes him to Greer's tavern.
First Air Date : Oct 17, 2013
Last Air date : Jun 16, 2017
Episode : 78 Episode
Season : 4 Season
Runtime: 42:14 minutes
Studio: The CW
Country: United States of America