Reign is a historical romantic drama television series created by Laurie McCarthy

and Stephanie SenGupta for The CW. Set in the late 16th century, the series revolves around the life of Mary, Queen of Scots, and her rise to power in the French court. The series stars Adelaide Kane as Queen Mary Stuart, alongside an ensemble cast. The series premiered on October 17, 2013, on The CW and concluded after four seasons on June 16, 2017.

The series was produced by Warner Bros. Television and CBS Television Studios, in association with Joyful Girl Productions, Take 5 Productions, and Toronto-based Whizbang Films. In February 2013, The CW ordered a pilot for a television series loosely based on Mary Stuart's life and largely favor fictionalized storylines than historical accuracy; Kane was cast in the lead role that same month. Filming primarily took place between Toronto and the Republic of Ireland.