Watch Reign Season 3 Online
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On Reign Season 3 Episode 18, Mary must battle Elizabeth in order to secure her crown in Scotland while Catherine finds Charles has changed on the season finale.
On Reign Season 3 Episode 17, with Mary presumed dead, Mary and Bash wind up in the clutches of the intimidating clan leader who killed Francis.
On Reign Season 3 Episode 16, Charles covertly schemes to have his mother surrender her power while Mary arrives in Scotland but must hide her identity.
On Reign Season 3 Episode 15, when Catherine is framed for murder, Mary must decide if she should stay to protect her but she may lose her passage to Scotland.
On Reign Season 3 Episode 14, Mary realizes she'll need the help of Bash and Greer when she must raise an army and return to Scotland to save her throne.
On Reign Season 3 Episode 13, as Mary attempts to safeguard Elizabeth she ends up putting Gideon in danger and must turn to Dudley for help.
On Reign Season 3 Episode 12, Mary may have to sacrifice another's life in order to save her own while Lola and Elizabeth become unexpected allies.
On Reign Season 3 Episode 11, Mary must find a suitor to be her ally as Charles' coronation nears while the castle's serial killer has plans for Catherine.
On Reign Season 3 Episode 10, Mary seeks political allies and tries to suppress her feelings for Gideon while Claude is in danger on her wedding night.
On Reign Season 3 Episode 9, Elizabeth makes a shocking discovery that could alter her reign while Claude is forced to marry someone selected by Narcisse.
On Reign Season 3 Episode 8, Mary must marry again in order to help Scotland but believes that Catherine is being framed for Francis' poisoning.
On Reign Season 3 Episode 7, Mary seeks advice from Catherine when she unearths a secret kept by a Spanish prince and Bash's quest takes him to Greer's tavern.
On Reign Season 3 Episode 6, Mary decides she must help Catherine in her quest to become regent, even at the risk of her alliance with Scotland.
On Reign Season 3 Episode 5, Mary contemplates signing away her claim to the throne of England as she pictures a future in France with Francis.
On Reign Season 3 Episode 4, Mary looks to Francis for help when her mother sends a message about the troubles in Scotland. Elizabeth is pressured to marry.
On Reign Season 3 Episode 3, Mary decides to help Francis hide his weakening condition when Prince Antoine makes an unexpected return to court.
On Reign Season 3 Episode 2, the fate of Scotland's future forces Mary to make some tough choices and Catherine is imprisoned when she returns to France.
On Reign Season 3 Episode 1 Mary and Francis grow closer together as the threat from Elizabeth intensifies. Martin de Lambert comes to court