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All It Cost Her

Mary makes a decision that will change the course of history -- forever shaping the fate of her nation, her crown, and her newborn son. Mary's perilous move for her survival causes the stunning realization that perhaps she is not the only one who may not survive. Meanwhile, Elizabeth steadies herself for war and will become the instigator in Mary's demise while later realizing she and Mary might be more similar than either thought. (Series Finale)

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  • Originally Aired June 16, 2017
  • Runtime 45 minutes
  • Content Rating United States of America TV-14
  • Network The CW
  • On Other Sites IMDB
  • Notes Is the series finale
  • Created June 13, 2018 by
    Administrator admin
  • Modified September 20, 2023 by
    Qumis
Name Type Role
Sara Garcia Guest Star Keira