TV series
Love is the most dangerous subject.
Mary, Queen of Scots, faces political and sexual intrigue in the treacherous world of the French court.
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Checked Jul 22, 2026
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Mary, Queen of Scots, faces political and sexual intrigue in the treacherous world of the French court.
Cast, crew and production details
Adelaide KaneMary Stuart
Toby RegboFrancis II of France
Will KempHenry Stuart, Lord Darnley
Dan JeannotteJames Stuart
Torrance CoombsSebastian
Megan FollowsCatherine de' Medici
Celina SindenGreer
Caitlin StaseyKenna
The CWUnited States
Warner Bros. TelevisionUnited States
CBS StudiosUnited StatesWatch options above are for the show and may vary by season or episode.
Episode 1
Francis and Mary's new rule is threatened when a plague ravages the land. Kenna's life is at risk. Greer discovers something shocking about Leith.
Directed by Fred GerberWritten by Laurie McCarthyGuest stars Brandon Cronenberg, Cosette Derome, Jesse Griffiths, Jonathan Keltz
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Episode 2
A powerful and dominating Lord learns Mary was responsible for his son's death, he demands retribution. Francis and Lola return to the castle with their new son.
Directed by Jeff RenfroeWritten by Laurie McCarthy, Wendy RissGuest stars Jane Spidell, Carter Siddall, Natalia Payne, Ian Fisher, Jonathan Keltz
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Episode 3
Mary searches for a way to feed the people of France; Francis is haunted by suspicions about his dead father's spirit; Catherine plans a lavish coronation ceremony.
Directed by Holly DaleWritten by Harley PeytonGuest stars Kathryn Alexandre, David Dantes
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Episode 4
Shadowy riders have attacked a shepherd, Lord Conde and Bash investigate. Mary reconsiders her relationship with Lola. Leith returns to court.
Directed by Jeff RenfroeWritten by Laurie McCarthy, Adele LimGuest stars Michael Therriault, Jonathan Keltz
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Episode 5
Tension rises between the Catholics and the Protestants. Francis receives a gift from his dead father. Kenna is shocked by a discovery.
Directed by Norma BaileyWritten by P.K. Simonds, Nancy WonGuest stars Jonathan Keltz
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Episode 6
Mary and Catherine have to hide their identities when they meet a mob of angry peasants. Lola wants to become independent.
Directed by Steve DiMarcoWritten by Doris EganGuest stars Deborah Grover, Jonathan Keltz, Ari Millen, Noam Jenkins, Jonathan Purdon
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Episode 7
Princess Claude makes a surprise visit home. The princess is known to be a provocative and reckless young woman. Greer's wedding tour ends earlier than expected.
Directed by Deborah ChowWritten by Drew Lindo, Wendy RissGuest stars Ben Lewis, Rose Williams
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Episode 8
Some Vatican inquisitors punish those believed to be a Protestant. Lord Condé ends up being abducted.
Directed by Charles BinaméWritten by Adele Lim, Melody FoxGuest stars Taras Lesiuk, Rose Williams, Salvatore Antonio
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Episode 9
Bash and Francis come up with a daring plan whilst Mary has a surprising proposal for Claude.
Directed by Fred GerberWritten by Laurie McCarthy, Nancy WonGuest stars Kelly Penner, Rose Williams
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Episode 10
Francis comes to a surprising decision. Mary takes part in a treacherous mission with Lord Condé.
Directed by Rich NeweyWritten by Drew Lindo, Wendy RissGuest stars Kelly Penner, Jonathan Keltz, Rose Williams
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Episode 11
Mary attempts to help Condé after finding out that the Vatican is after him.
Directed by Lynne StopkewichWritten by Daniel SinclairGuest stars Jonathan Keltz, Rose Williams
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Episode 12
Mary ends up doing something unexpected. The rivalry between Francis and Condé increases.
Directed by Larysa KondrackiWritten by Chelsey LoraGuest stars Jonathan Keltz, Rose Williams
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Episode 13
As they prepare for a feast, King Antoine tells Francis and Mary about England's plans for revenge.
Directed by Deborah ChowWritten by Doris Egan, Melody FoxGuest stars Rose Williams, Alanna Bale
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Episode 14
As Mary and Francis investigate who was behind the poisoning of King Henry (Alan Van Sprang), they unearth secrets of the past which force Mary to confront her feelings for Conde as she attempts to move forward. Catherine finds herself in the middle of a romantic triangle when the Duke of Guise (guest star Gil Darnell) returns, which forces Narcisse (Craig Parker) to commit a hideous act out of desperation. Meanwhile, Greer (Celina Sinden) finds herself in a situation she never fathomed in order to survive.
Directed by Nathaniel GoodmanWritten by Laurie McCarthy, Nancy WonGuest stars Rose Williams
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Episode 15
Mary's mother (guest star Amy Brenneman) returns to advise Mary that her throne is in jeopardy. Mary makes a shocking proposition to Conde, along with a bold move to reclaim her throne. Francis moves closer to Lola after a setback with Mary, while King Antoine (guest star Ben Aldridge) makes Kenna an interesting offer. Megan Follows, Craig Parker, Rose Williams, Celina Sinden, Torrance Coombs and Jonathan Keltz also star.
Directed by Charles BinaméWritten by Laurie McCarthy, Nancy Won
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Episode 16
Francis makes a surprising move after being threatened by King Antoine; Bash and Kenna's marriage is in trouble; Leith makes a discovery about Greer's new career path.
Directed by Lee RoseWritten by P.K. SimondsGuest stars Siobhan Williams, Jonathan Keltz, Rob Stewart, Iain Stewart
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Episode 17
Catherine is suspicious that Mary and Condé are having an affair; Francis becomes ill; Bash's life is in peril; Leith is forced to guard Claude.
Directed by Sudz SutherlandWritten by Lisa RandolphGuest stars Jonathan Keltz, Rose Williams, Rob Stewart
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Episode 18
Mary becomes the temporary leader of France; Catherine asks Narcisse for help beating Mary at her own game; Bash sees a familiar face in the village.
Directed by Anne WheelerWritten by Drew Lindo, Wendy RissGuest stars Jonathan Keltz, Rose Williams
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Episode 19
Mary aligns herself with France as the threat of England looms; Condé makes an audacious move; Kenna and Gen. Renaude grow closer.
Directed by Deborah ChowWritten by Robert D. Doty, Nancy WonGuest stars Zachary Bennett
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Episode 20
Mary takes extreme measures as she tries to stop Francis from catching Condé; a jealous Catherine wants Narcisse to prove himself; Greer makes a decision that could end her relationship with Leith.
Directed by Norma BaileyWritten by Doris Egan, Daniel SinclairGuest stars Steven Love, Jonathan Keltz, Rose Williams, Alicia Dea Josipovic
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Episode 21
Francis and Mary are forced to set aside their differences and determine the extent of Condé's betrayal; Catherine teaches Narcisse a lesson; Bash brings Delphine to the castle.
Directed by Andy MikitaWritten by Lisa Randolph, Adele LimGuest stars Jonathan Keltz, Rose Williams
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Episode 22
As Francis thinks Mary is turning against France, she risks everything to take Condé down; Catherine meets with Queen Elizabeth; Kenna's secret will seal the fate of her relationship with Bash.
Directed by Fred GerberWritten by Laurie McCarthy, Nancy WonGuest stars Charles Vandervaart, Jonathan Keltz, Rose Williams
Where to watch ReignEpisode information updated Jul 22, 2026
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