Reign Season 4 Episode 16

Reign Season 4 Episode 16

In the series finale, Mary changes the course of history with a decision she makes, and her perilous move for survival causes her to have a stunning realization. Meanwhile, Elizabeth steadies herself for war and becomes the instigator in Mary’s demise.

Serie: Reign

Episode Title: All It Cost Her

Air Date: 2017-06-16

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