4 Season
78 Episode
Reign - Season 4 Episode 16 All It Cost Her (2017)
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.
- Country : United States of America
- Genre : Drama
- Studio : The CW
- Director : Laurie McCarthy, Stephanie Sengupta
- Cast : Adelaide Kane, Megan Follows, Celina Sinden, Craig Parker, Jonathan Goad, Rachel Skarsten