S4·E16 All It Cost Her
Core
Aired June 16, 2017
Synopsis
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.
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Frequently Asked Questions
When did Season 4 Episode 16 of Reign air?
Season 4, Episode 16 ('All It Cost Her') originally aired on June 16, 2017.
How long is Season 4 Episode 16 ('All It Cost Her')?
The episode follows the standard broadcast runtime for Reign.
What happens in 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....