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When Mary is presumed dead, Elizabeth asks for Lola's help in taking the Scottish crown for herself; James must defend Mary's throne from John Knox; Mary faces Francis's killer.
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