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Our Undoing

S3 : E8

TV-14 | 43 min | Aired: 01.08.16

Catherine is accused of poisoning Francis, but Mary believes she is being framed.

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Mary, the teenage queen of Scotland, moves to France to marry a prince and secure a strategic alliance for her country. But as she tries to navigate palace intrigue in the perilous world of the French court, Mary must rally her ladies-in-waiting and steel herself as she rises to power.

Cast

Adelaide Kane, Megan Follows, Rachel Skarsten, Toby Regbo, Torrance Coombs

Executive Producers

Laurie McCarthy, Stephanie Sengupta

full-episodes (18)

Pilot

S1 : E1 | TV-14 | 43 min | Aired: 10.17.13

A teenage queen navigates palace intrigue in the perilous world of the French court as she rises to power.
Snakes in the Garden

S1 : E2 | TV-14 | 43 min | Aired: 10.24.13

Mary and Francis play up their romance after an English envoy expresses doubts about their union.
Kissed

S1 : E3 | TV-14 | 43 min | Aired: 10.31.13

A Portuguese prince offers much-needed aid to Scotland in exchange for Mary's hand in marriage.
Hearts and Minds

S1 : E4 | TV-14 | 42 min | Aired: 11.07.13

Mary figures out a way to break her engagement, but it could cost the life of an innocent man.
A Chill in The Air

S1 : E5 | TV-14 | 42 min | Aired: 11.14.13

An ex-lover of Francis arrives at the castle and brings the dangers of the woods with her.
Chosen

S1 : E6 | TV-14 | 41 min | Aired: 11.21.13

Queen Catherine takes drastic measures to make sure a tormentor of Mary is captured.
Left Behind

S1 : E7 | TV-14 | 42 min | Aired: 12.05.13

When an intruder locks down the castle, Mary and Francis must work together to save everyone at court.
Fated

S1 : E8 | TV-14 | 43 min | Aired: 12.12.13

A prophecy causes Mary to make a decision that changes her relationship with Francis.
For King and Country

S1 : E9 | TV-14 | 42 min | Aired: 01.24.14

Bash and Mary are captured and forced to return to the castle, tearing the bond of brothers apart.
Sacrifice

S1 : E10 | TV-14 | 42 min | Aired: 01.30.14

Queen Catherine comes under suspicion when a plot to murder Bash goes awry.
Inquisition

S1 : E11 | TV-14 | 43 min | Aired: 02.06.14

Henry accuses Catherine of adultery with Nostradamus with the goal of executing her.
Royal Blood

S1 : E12 | TV-14 | 42 min | Aired: 02.27.14

Mary and Bash try to help when the children of Queen Catherine and King Henry are kidnapped.
The Consummation

S1 : E13 | TV-14 | 42 min | Aired: 03.06.14

Mary must choose between Bash and Francis as the fate of her country hangs in the balance.
Dirty Laundry

S1 : E14 | TV-14 | 41 min | Aired: 03.13.14

Mary comes back from her honeymoon suspicious of Lola's unusual behavior.
The Darkness

S1 : E15 | TV-14 | 42 min | Aired: 03.20.14

First Light has the castle in a frenzy as the ladies mingle with potential suitors.
Monsters

S1 : E16 | TV-14 | 42 min | Aired: 03.27.14

Francis reluctantly helps Bash uncover the threat in the woods.
Liege Lord

S1 : E17 | TV-14 | 42 min | Aired: 04.10.14

Mary discovers that her mother orchestrated a secret clause in her marriage.
No Exit

S1 : E18 | TV-14 | 43 min | Aired: 04.17.14

When Mary’s brother arrives in France and convinces Mary to return to Scotland, Francis is suspicious and uncovers a plot that would destroy Mary, which causes a rift between them.
Toy Soldiers

S1 : E19 | TV-14 | 41 min | Aired: 04.24.14

Mary's uncle arrives at the castle with dire news about her mother.
Higher Ground

S1 : E20 | TV-14 | 43 min | Aired: 05.01.14

Francis prepares France to wage war on England.
Long Live the King

S1 : E21 | TV-14 | 43 min | Aired: 05.08.14

Mary and Catherine form an unlikely alliance to deal with the increasingly manic King Henry.
Slaughter of Innocence

S1 : E22 | TV-14 | 42 min | Aired: 05.15.14

Henry plots to kill Francis and begins his efforts to woo and marry Mary.
The Plague

S2 : E1 | TV-14 | 42 min | Aired: 10.02.14

Francis and Mary's new rule is threatened when a plague ravages the land.
Drawn & Quartered

S2 : E2 | TV-14 | 42 min | Aired: 10.09.14

A powerful Lord learns Mary was responsible for his son's death and demands retribution.
Coronation

S2 : E3 | TV-14 | 42 min | Aired: 10.16.14

With France in a state of famine, Mary looks for a way to help feed the people.
The Lamb and the Slaughter

S2 : E4 | TV-14 | 42 min | Aired: 10.23.14

Bash and Lorde Condé investigate the case of a shepherd attacked by shadowy riders in the night.
Blood for Blood

S2 : E5 | TV-14 | 40 min | Aired: 10.30.14

Tensions between Protestants and Catholics escalate after there is bloodshed at a Protestant service.
Three Queens

S2 : E6 | TV-14 | 41 min | Aired: 11.06.14

Mary and Catherine must hide their identities when they meet a mob of angry peasants.
The Prince of the Blood

S2 : E7 | TV-14 | 42 min | Aired: 11.13.14

Young and reckless Princess Claude makes a surprise visit home.
Terror of the Faithful

S2 : E8 | TV-14 | 42 min | Aired: 11.20.14

Tensions escalate when Vatican inquisitors perform barbaric acts on anyone suspected of being a Protestant.
Acts of War

S2 : E9 | TV-14 | 43 min | Aired: 12.04.14

Protestant men storm the castle while its defenders are away, leaving Mary in distress.
Mercy

S2 : E10 | TV-14 | 40 min | Aired: 12.11.14

Mary and Condé set off to find who attacked Mary. Narcisse becomes Francis' puppet.
Getaway

S2 : E11 | TV-14 | 42 min | Aired: 01.22.15

Mary attempts to help Condé after finding out that the Vatican is coming for him.
Banished

S2 : E12 | TV-14 | 43 min | Aired: 01.29.15

Mary learns a secret from Greer that forces her to do something she never thought possible.
Sins of the Past

S2 : E13 | TV-14 | 43 min | Aired: 02.05.15

King Antoine lets Francis and Mary know about England's plans for revenge.
The End of Mourning

S2 : E14 | TV-14 | 42 min | Aired: 02.12.15

Francis and Mary investigate the poisoning of King Henry.
Forbidden

S2 : E15 | TV-14 | 42 min | Aired: 02.19.15

Mary's mother returns to advise her that the throne is in jeopardy.
Tasting Revenge

S2 : E16 | TV-14 | 43 min | Aired: 03.12.15

Francis makes a surprising move after being threatened by King Antoine.
Tempting Fate

S2 : E17 | TV-14 | 42 min | Aired: 03.19.15

Catherine becomes suspicious that Mary and Condé are having an affair.
Reversal of Fortune

S2 : E18 | TV-14 | 41 min | Aired: 04.16.15

Catherine asks Narcisse for help in beating Mary at her own game.
Abandoned

S2 : E19 | TV-14 | 42 min | Aired: 04.23.15

Mary aligns herself with France as the threat of England looms.
Fugitive

S2 : E20 | TV-14 | 43 min | Aired: 04.30.15

Mary takes extreme measures as she tries to stop Francis from catching Condé.
The Siege

S2 : E21 | TV-14 | 41 min | Aired: 05.07.15

Francis and Mary set aside their differences when the extent of Condé’s betrayal becomes clear.
Burn

S2 : E22 | TV-14 | 42 min | Aired: 05.14.15

Mary risks everything to take down Condé, even as Francis believes she is turning against France.
Three Queens, Two Tigers

S3 : E1 | TV-14 | 41 min | Aired: 10.09.15

Queen Mary struggles to retain her power as Queen Elizabeth tries to sabotage her.
Betrothed

S3 : E2 | TV-14 | 42 min | Aired: 10.16.15

Catherine gets imprisoned upon her return to France.
Extreme Measures

S3 : E3 | TV-14 | 42 min | Aired: 10.23.15

With the throne in jeopardy, Mary must help Francis hide his condition.
The Price

S3 : E4 | TV-PG | 41 min | Aired: 11.06.15

When Mary receives word from her mother of the grim circumstances in Scotland, she turns to Francis for help.
In A Clearing

S3 : E5 | TV-14 | 42 min | Aired: 11.13.15

Mary considers staying in France forever and giving up her claim to the English throne.
Fight or Flight

S3 : E6 | TV-14 | 42 min | Aired: 11.20.15

Mary realizes she must help Catherine, even if it puts the alliance with Scotland at risk.
The Hound and the Hare

S3 : E7 | TV-14 | 41 min | Aired: 12.04.15

When a dark secret of the Prince of Spain is revealed, Mary seeks Catherine's counsel.
Our Undoing

S3 : E8 | TV-14 | 43 min | Aired: 01.08.16

Catherine is accused of poisoning Francis, but Mary believes she is being framed.
Wedlock

S3 : E9 | TV-14 | 43 min | Aired: 01.15.16

Claude is forced to marry someone selected by Narcisse.
Bruises That Lie

S3 : E10 | TV-14 | 42 min | Aired: 01.22.16

Mary struggles to resist her feelings for Gideon as she works to align herself politically with potential allies.
Succession

S3 : E11 | TV-14 | 43 min | Aired: 04.25.16

Charles' coronation nears, forcing Mary to find a suitor who will be her ally.
No Way Out

S3 : E12 | TV-14 | 42 min | Aired: 05.02.16

Mary has to make a terrible choice: to save her cousin or herself.
Strange Bedfellows

S3 : E13 | TV-14 | 42 min | Aired: 05.09.16

In her attempt to protect Elizabeth, Mary unwittingly puts Gideon's life in jeopardy.
To the Death

S3 : E14 | TV-14 | 42 min | Aired: 05.16.16

Mary realizes she must return to Scotland and raise an army to save her throne.
Safe Passage

S3 : E15 | TV-14 | 42 min | Aired: 05.23.16

Catherine is framed for murder and Mary must decide if she should help her or leave for Scotland.
Clans

S3 : E16 | TV-14 | 42 min | Aired: 06.06.16

On her return to Scotland, Mary is stunned by the treacherous world it has become.
Intruders

S3 : E17 | TV-14 | 42 min | Aired: 06.13.16

When Mary is presumed dead, Elizabeth asks for Lola's help in taking the Scottish crown for herself.
Spiders in a Jar

S3 : E18 | TV-14 | 43 min | Aired: 06.20.16

Mary makes a bold move to defend her reign in Scotland, which results in a battle royale.
With Friends Like These

S4 : E1 | TV-14 | 42 min | Aired: 02.10.17

Queen Mary tests her brother's loyalty after hearing about his meeting with a Scottish Protestant.
A Grain of Deception

S4 : E2 | TV-14 | 43 min | Aired: 02.17.17

Queen Mary discovers there is a leak amongst her advisors and sets out to uncover the traitor.
Leaps of Faith

S4 : E3 | TV-14 | 43 min | Aired: 02.24.17

Gideon shows Mary what life could be like if she chose love over country.
Playing with Fire

S4 : E4 | TV-14 | 43 min | Aired: 03.03.17

When Lord Darnley surprises with a visit, Mary sees glimpses of a union that could be more than just political.
Highland Games

S4 : E5 | TV-14 | 43 min | Aired: 03.17.17

Lord Darnley must demonstrate his loyalty to Mary when she voices her concerns about his true intentions.
Love & Death

S4 : E6 | TV-14 | 42 min | Aired: 03.24.17

When King Charles disappears, Catherine is left to deal with the aftermath.
Hanging Swords

S4 : E7 | TV-14 | 43 min | Aired: 03.31.17

Lord Darnley receives a surprise visitor, endangering his marriage to Mary.
Unchartered Waters

S4 : E8 | TV-14 | 41 min | Aired: 04.07.17

A terrible tragedy pushes Mary and Darnley apart.
Pulling Strings

S4 : E9 | TV-14 | 42 min | Aired: 04.14.17

Mary and Darnley wed in a lavish affair, while Elizabeth frantically tries to salvage England's power.
A Better Man

S4 : E10 | TV-14 | 42 min | Aired: 04.14.17

Mary strategizes ways to take over the English throne.
Dead of Night

S4 : E11 | TV-14 | 43 min | Aired: 05.05.17

Mary and Darnley are at odds as their plan to seize England is put into action.
The Shakedown

S4 : E12 | TV-14 | 43 min | Aired: 05.12.17

After a tragic earthquake hits Scotland, Mary faces claims that she isn't coming to the aid of her people.
Coup de Grace

S4 : E13 | TV-14 | 42 min | Aired: 05.19.17

Lord Darnley teams up with John Knox to try to strip Mary of her throne.
A Bride, A Box, A Body

S4 : E14 | TV-14 | 43 min | Aired: 06.02.17

Mary pursues justice by launching a counterattack on her conspirators.
Blood in the Water

S4 : E15 | TV-14 | 42 min | Aired: 06.09.17

Mary's life hangs in the balance as childbirth threatens to take her life.
All It Cost Her...

S4 : E16 | TV-14 | 43 min | Aired: 06.16.17

In the series finale, one decision by Mary will forever alter the fate of her nation and her newborn son.

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