Season Three of Reign was confirmed on January 11, 2015.
<----- Season Two ♔
♔ Season Four ----->
|Title||Written by||Directed by||Original air date||Production code|
|3X01||Writer||Directer||October 8, 2015||301|
...Continued on from Season Two
- "Scotland" and "Charlie Boy" by The Lumineers.
France, 1557. Mary, Queen of Scots has been hidden away at a convent for her safety since age 9. Engaged since childhood to the future King of France, she awaits her return to the French Court.
- Adelaide Kane as Queen Mary
- Megan Follows as Queen Catherine
- Torrance Coombs as Sebastian
- Toby Regbo as King Francis
- Celina Sinden as Greer Castleroy
- Caitlin Stasey as Lady Kenna
- Anna Popplewell as Lady Lola
- Jonathan Keltz as Leith Bayard
- Sean Teale as Louis Condé
- Craig Parker as Lord Narcisse
- Rose Williams as Princess Claude