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Who will stop Arthur from making the ultimate sacrifice?

The Darkest Hour, Part 2

Drama

The kingdom is on the brink of collapse and Morgana is poised to strike. With Merlin on the brink of death, who will stop Arthur from making the ultimate sacrifice?

The Adventures of Merlin

Hidden talent, sorcerers under threat... the adventures of a young wizard

Fantasy drama about the adventures of a young man who will one day be a great wizard. But, as sorcerers are being hunted, Merlin must keep his talents hidden for now.

the-adventures-of-merlin

With the arrival of a young warlock in Camelot a legend is born - Merlin.

The Dragon's Call

Merlin, a young good-looking country boy, arrives at the great bustling colorful city of Camelot. He rushes into the castle walls and hurries to join a lively crowd in the square.

A knight with a shield of magical snakes arrives in Camelot with a mission to kill Arthur.

Valiant

Knight Valiant buys a magical shield embossed with snakes. The sorcerer from whom he buys it enchants the snakes to come alive - to kill his opponents in battle.

A magical plague sweeps through Camelot. The search is on for the sorcerer responsible.

The Mark of Nimueh

When a magical plague sweeps through Camelot, the search is on for the sorcerer responsible for starting it.

When Merlin is poisoned by Nimueh, Arthur must travel to the darkest part of the Kingdom.

The Poisoned Chalice

Bayard and the Knights of the Western Isles are welcomed for a union feast. When Merlin is poisoned by Nimueh, Arthur must travel to the Kingdom's darkest depths.

Lancelot

Merlin narrowly escapes with his life when he is attacked by a mysterious and terrifying creature with the body of an eagle and the head of a lion. He is saved by a young stranger.

Gaius has to choose between Uther’s life and Merlin’s secret.

A Remedy to Cure All Ills

When a rival physician comes to town, Gaius has to choose between Uther’s life and Merlin’s secret.

Arthur becomes besotted with a mysterious girl.

The Gates of Avalon

Morgana has a terrible nightmare. When Arthur becomes besotted with a mysterious girl, he stands to lose more than just his heart.

Merlin is forced to choose between a young Druid’s life and his destiny to protect Arthur.

The Beginning of the End

When a Druid and his apprentice are caught, the pair make a bid for freedom, with guards in pursuit. Merlin must choose between a Druid’s life and his destiny to protect Arthur.

A knight rises from the dead, uncovering a secret that Uther would rather stayed buried.

Excalibur

At Arthur’s coming of age ceremony the celebrations are suddenly interrupted when a mysterious Black Knight crashes his horse in through the window and challenges the knights.

Merlin, Arthur, Morgana, and Gwen join forces to save Merlin’s village from bandits.

The Moment of Truth

Merlin is stunned when his mother turns up in Camelot, bruised and desperate for help. Their village has been attacked. Merlin joins forces to save his village from destruction.

When Arthur kills a prized beast, a curse descends on Camelot.

The Labyrinth of Gedref

Out on a hunting trip, the Knights cheer Arthur for killing a highly-prized beast. As it dies, Merlin sees a wizened old man watching the scene amongst the trees.

When Gwen suffers tragedy at Uther’s hand, Morgana becomes hell bent on revenge.

To Kill the King

Against his better judgement, Gwen’s father agrees to help a renegade sorcerer turn lead into gold. Halfway through the act, a voice rings out - they’re both under arrest.

As Arthur’s life hangs in the balance, Merlin is the only one who can save him.

Le Morte D'Arthur

Whilst out on a routine hunting trip, Arthur and his men encounter a huge and terrifying monster. As Arthur’s life hangs in the balance, Merlin is the only one who can save him.

Beneath Camelot an ancient evil stirs and Merlin must risk his soul to save the kingdom.

The Curse of Cornelius Sigan

New servant Cedric muscles in on Merlin’s position as Arthur’s right-hand-man and turns the prince against his loyal friend. Deep beneath Camelot an ancient evil stirs and Merlin must risk his very soul to save the kingdom.

Merlin helps Arthur disguise his identity to enter a jousting tournament.

The Once and Future Queen

Merlin helps Arthur disguise his identity to enter a jousting tournament, little knowing that a deadly assassin has arrived in Camelot to kill the Prince.

Morgana begins to fear she might have magic.

The Nightmare Begins

When Morgana begins to fear she might have magic, Merlin puts both their lives at risk to get her the help she needs.

When Gwen is kidnapped Arthur defies the King to go to her rescue.

Lancelot and Guinevere

Gwen is mistaken for Morgana and kidnapped by the savage outlaw Hengist. Uther refuses to pay her ransom so Arthur defies his father, heading out into dangerous enemy territory to fight for Gwen’s freedom.

Uther is delighted when the Lady Catrina arrives in Camelot, but Merlin is concerned.

Beauty and the Beast

Uther is captivated by his latest guest, Lady Catrina. Arthur is appalled by his father’s flirting, but Merlin is wary for a different reason: he suspects she is really a troll! It is up to Merlin to prove she is a monster and save Uther from ruin.

Merlin must reveal that Camelot’s new Queen is a troll before she destroys the kingdom.

Beauty and the Beast, Part 2

Merlin must reveal that Camelot’s new Queen is a troll before she destroys the kingdom. But even if he succeeds, will this be enough to break her powerful magic?

Uther summons a witch finder to Camelot to root out magic once and for all.

The Witchfinder

Uther is determined to wipe out magic in Camelot once and for all, and this time no one is beyond suspicion. He summons the most dreaded witchfinder in the land, Aredian, a terrifying man who will stop at nothing to uncover sorcery.

A mysterious warrior arrives, sending Arthur on a quest that could change his life.

The Sins of the Father

A mysterious warrior arrives, sending Arthur on a quest that leads to a discovery of a dark secret which could bring about the downfall of the kingdom.

Merlin's new friendship is threatened when a beast attacks Camelot.

The Lady of the Lake

Merlin meets a kindred spirit but his new friendship is threatened when a deadly magical beast attacks Camelot.

A rival king puts a spell on Arthur in an attempt to start a war.

Sweet Dreams

Camelot is thrown into chaos when a rival king puts a spell on Arthur in an attempt to start a war. Can Merlin free Arthur’s heart before the prince loses his head in battle?

Merlin sees a shocking new side to Morgana when Mordred returns to Camelot.

The Witch's Quickening

Uther has a precious magical relic of the Old Religion locked up tight in the Camelot vaults. Merlin sees a shocking new side to Morgana when Mordred returns to Camelot asking for her help.

Morgause and her inhuman Knights attack a helpless Camelot.

The Fires of Idirsholas

When the Fires of Idirsholas burn for the first time in three hundred years, Gaius fears a sorcerer has revived the deadly Knights of Medhir. As Morgause and her Knights attack a helpless Camelot, Merlin’s loyalties are stretched to the limit.

When the Great Dragon attacks Camelot, Merlin must go on an epic journey.

The Last Dragonlord

When the Great Dragon attacks Camelot, Merlin must go on an epic journey to find the one man who can defeat the monster.

The people of Camelot rejoice when the Lady Morgana returns.

The Tears of Uther Pendragon, Part 1

The people of Camelot rejoice when the Lady Morgana returns, but what repercussions will this have for Merlin?

Morgana’s evil plan to destroy Camelot is coming to fruition.

The Tears of Uther Pendragon, Part 2

Morgana’s evil plan to destroy Camelot is coming to fruition. Can the Great Dragon restore Merlin’s health in time to stop her?

Gaius is possessed by a Goblin and unleashes a trail of mayhem and mischief.

Goblin's Gold

Gaius is possessed by a Goblin and unleashes a trail of mayhem and mischief across the palace. Can Merlin figure out what has happened to his much-loved mentor before they both lose their heads?

Two thugs plot Arthur’s demise during a mounted tournament.

Gwaine

Two thugs plot Arthur’s demise during a mounted tournament. Can Merlin’s strange new friend save the Prince from certain death?

Merlin stumbles upon the crystal cave and glimpses a series of terrible prophetic visions.

The Crystal Cave

Merlin stumbles upon the crystal cave and glimpses a series of terrible prophetic visions. Can he change the future and stop it from happening? And if so, at what price?

Wedding bells beckon for Arthur but his bride is not all that she seems.

The Changeling

Wedding bells beckon for Arthur but his bride is not all that she seems. Can Merlin vanquish his old foe, the Sidhe, in time to stop Arthur making the biggest mistake of his life?

Gwen’s loyalties are tested when she has to choose between Arthur and her brother.

The Castle of Fyrien

Gwen’s loyalties are tested to the limit when she is forced to choose between Arthur and her brother, Elyan.

Merlin must save Arthur from certain doom in the perilous lands of the Fisher King.

The Eye of the Phoenix

Arthur embarks on a solitary quest to retrieve the Golden Trident from the Fisher King and prove himself worthy of the Camelot throne. Merlin must save him from peril.

When an old flame of Gaius’s returns to Camelot, Merlin’s loyalty is tested.

Love in the Time of Dragons

An old flame of Gaius’s returns to Camelot, but Merlin’s loyalty is tested when he learns she is using dark magic to plot against Uther.

Haunted by dreams of Guinevere as Queen of Camelot, Morgana resolves to destroy Gwen.

Queen of Hearts

Haunted by prophetic dreams of Guinevere as Queen of Camelot, Morgana resolves to destroy Gwen and Arthur’s growing relationship before her nightmare comes true.

Merlin’s loyalty is tested when he discovers there is another sorcerer in Camelot.

The Sorcerer's Shadow

Along with Merlin, Arthur is sent on a secret mission to recover the Cup of Life.

The Coming of Arthur, Part 1

Along with Merlin, Arthur is sent on a secret mission to recover the Cup of Life, a magical artifact whose gift of immortality proves dangerously irresistible to his enemies.

With Morgana on the throne, Arthur faces an impossible battle against her immortal army.

The Coming of Arthur, Part 2

With Morgana on the throne and Arthur facing an impossible battle against her immortal army, can Merlin retrieve the great sword Excalibur in time to save the Kingdom?

Morgana wrenches open the gates to the Other World.

The Darkest Hour, Part 1

When Morgana wrenches open the gates to the Other World, Camelot succumbs to chaos. Merlin is shocked to the core when he discovers the only way to restore the equilibrium requires a sacrifice of unimaginable proportions.

A carnival to celebrate Prince Arthur’s birthday hides a deadly foe.

The Wicked Day

A carnival to celebrate Prince Arthur’s birthday hides a deadly foe. Just how far is Merlin prepared to go to put things right?

A mysterious visitor arrives in Camelot seeking a very special prize - a dragon's egg.

Aithusa

A mysterious stranger arrives in Camelot with news of a magical secret. He has located the final part of the key to the tomb of Ashkanar, an ancient mausoleum which holds a very special treasure: the last remaining dragon egg.

For the first time since his coronation, Arthur finds out what like to be King.

His Father's Son

Arthur faces his first true test as King when he incurs the wrath of the formidable Queen Annis. With the lives of thousands hanging in the balance, Arthur must find the strength to be his own man and become the leader Camelot so desperately needs.

A desperate Morgana finds the unlikeliest of assassins - Merlin.

A Servant of Two Masters

When Merlin falls into Morgana’s hands, he becomes a deadly weapon in her fight for supremacy. An oblivious Arthur is in great danger. Will anyone notice Merlin's unusual behavior before he does the King some serious harm?

Morgana will stop at nothing in her hunt for Emrys.

The Secret Sharer

Morgana joins forces with the enigmatic wizard Alator to uncover a secret that could change the course of destiny. With allies on both sides of the castle walls, can anyone stop her before Merlin's greatest secret is revealed?

Merlin finds himself fighting for survival against an unseen enemy.

Lamia

A mysterious illness draws Merlin to a distant village. Far from home and with no one to trust, Merlin becomes embroiled in a deadly game of cat and mouse. Can the young warlock survive long enough to uncover the truth?

Camelot rejoices at the return of a long-lost friend - Sir Lancelot.

Lancelot du Lac

When Sir Lancelot returns from the dead, old feelings reignite. Gwen must fight temptation before she commits an unspeakable act of betrayal, one that would destroy the legacy of Camelot forever.

The discovery of a shrine in the woods unearths a haunting secret from Camelot's past.

A Herald of the New Age

The discovery of a shrine in the woods unearths a haunting secret from Camelot's past. Can a grievous wrong be put right? Or will past demons change the future forever?

Arthur’s plans for the future are thrown into disarray by the return of Gwen.

The Hunter's Heart

Morgana finds a powerful ally in the Southron warlord Helios. Together they hatch the perfect plan to force Camelot to its knees. Arthur’s plans for the future are thrown into disarray by the return of Gwen.

Arthur and Merlin are forced to run for their lives as Morgana attacks Camelot.

The Sword in the Stone, Part 1

With Morgana at the helm of a vast Southron army, a deadly net is closing in around Camelot. When the sorceress strikes, the ferocity of her attack forces everyone to run for their lives - even Arthur.

Merlin goes to extraordinary lengths to restore Arthur's self-belief.

The Sword in the Stone, Part 2

With Camelot lost to Morgana, Arthur and Merlin are outlaws on the run. The young king must take control before the kingdom is lost forever, and Merlin goes to extraordinary lengths to restore his self-belief.

As the forces of fate cast a shadow over Camelot, Merlin must confront his darkest fears.

Arthur's Bane, Part 1

Camelot basks in the halcyon days of a new Golden Age, but the forces of fate cast a shadow over the kingdom. Merlin must confront his darkest fears, in a battle with Fate itself.

Prophecies of Mordred weigh heavy on Merlin.

Arthur's Bane, Part 2

Ancient prophecies of Mordred weigh heavy on Merlin, for not even he can sway Arthur from his chosen path.

Arthur risks everything when he summons a spirit from the dead - Uther.

The Death Song of Uther Pendragon

When a stranger gives Arthur the power to summon the dead, the King finds himself torn between head and heart. Unable to resist temptation, he seizes the chance to speak to the person he misses most - his father.

Amongst the smoking ruins of Nemeth, Morgana and King Odin make a sinister pact.

Another's Sorrow

Amongst the smoking ruins of Nemeth, Morgana and King Odin make a sinister pact. With Princess Mithian as the perfect bait, Morgana conjures a deception so powerful that the whole of Camelot is taken in, including Merlin himself.

When Arthur angers the ancient Disir, Merlin must make the hardest decision of his life.

The Disir

When Arthur angers the ancient Disir only the greatest sacrifice can appease them, and Merlin must make the hardest decision of his life.

Morgana uses Gwen to lure Arthur into a deadly trap.

The Dark Tower

When Gwen is snatched from Camelot without warning, Merlin knows there can be only one person responsible: Morgana. Arthur is determined to rescue his Queen, but she is locked in the Dark Tower, a place that haunts the dreams of men.

King Arthur is the target of a dangerous assassin - his wife and queen, Guinevere.

A Lesson in Vengeance

Darkness steals into the very heart of Camelot as Morgana and her puppet Queen hatch a sinister plan to murder the King. Can a suspicious Merlin unravel the truth before it’s too late?

As a deadly net closes in around Arthur, Merlin finds himself far from Camelot.

The Hollow Queen

As a deadly net closes in around Arthur. When Merlin agrees to help a young Druid boy, Daegal, he has no choice but to leave Camelot on a dangerous mission.

Merlin risks everything to put an end to Morgana’s control over Gwen.

With All My Heart

Merlin knows he must act fast before Morgana’s twisted control over Gwen gets further out of hand. But only the most powerful magic can save the Queen and this will not be easy, even for Merlin.

Morgana closes in on Emrys, and Merlin receives a helping offer.

The Kindness of Strangers

Morgana leads a manhunt in pursuit her old foe Alator of the Catha, as he can tell her exactly where to find Emrys. Merlin’s life has never been in more danger, so when the mysterious Finna offers to help him, is he right to trust her?

A troubled Mordred must choose between love and loyalty.

The Drawing of the Dark

Mordred finds himself torn between loyalty and love, but little does he realize that the path he chooses will shape Camelot's destiny. As the drums of war beat ever louder, a desperate Merlin feels trapped by the cruel circle of fate.

Merlin finds himself facing the future he’s fought so long to avoid.

The Diamond of the Day, Part 1

Morgana prepares for war with a vengeful Mordred at her side. Merlin feels the weight of his destiny like never before as the ancient prophecies play out with terrifying accuracy.

As the great battle rages on Camlann's mighty plain, Merlin faces his moment of destiny.

The Diamond of the Day, Part 2

And so it seems the Prophets did not lie. As the great battle rages, Merlin faces his moment of destiny. Can he find the strength to save the man he made a King; the Camelot they fought to build; and the brotherhood they shared?

The Adventures of Merlin

The Adventures of Merlin

Series 4

1. The Darkest Hour, Part 1

1. The Darkest Hour, Part 1

2. The Darkest Hour, Part 2

2. The Darkest Hour, Part 2

3. The Wicked Day

3. The Wicked Day

4. Aithusa

4. Aithusa

5. His Father's Son

5. His Father's Son

6. A Servant of Two Masters

6. A Servant of Two Masters

7. The Secret Sharer

7. The Secret Sharer

8. Lamia

8. Lamia

9. Lancelot du Lac

9. Lancelot du Lac

10. A Herald of the New Age

10. A Herald of the New Age

11. The Hunter's Heart

11. The Hunter's Heart

12. The Sword in the Stone, Part 1

12. The Sword in the Stone, Part 1

13. The Sword in the Stone, Part 2

13. The Sword in the Stone, Part 2