Merlin

Merlin Season 4 Episodes

Find out how to watch Season 4 of Merlin tonight

Season 4 Episode Guide

Episode 1 - The Darkest Hour: Part 1

Merlin faces his toughest challenge yet when Morgana's blinkered determination threatens not only Arthur's future, but the very balance of the world. With her magic stronger than ever, the sorceress summons the mighty Callieach to tear open the veil between the worlds.

  

Episode 2 - The Darkest Hour: Part 2

Merlin faces his toughest challenge yet when Morgana's blinkered determination threatens not only Arthur's future, but the very balance of the world. With her magic stronger than ever, the sorceress summons the mighty Callieach to tear open the veil between the worlds.

  

Episode 3 - The Wicked Day

The mighty citadel is buzzing in anticipation of the prince's birthday celebrations, but Arthur's old adversary, Odin, promises to ensure this is one party Camelot will never forget.

  

Episode 4 - Aithusa

The mysterious Julius Borden arrives in Camelot with news of a magical secret that threatens to change the landscape of the kingdom forever.

  

Episode 5 - 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.

  

Episode 6 - A Servant of Two Masters

When Merlin falls into Morgana's hands, he becomes a deadly weapon in her fight for supremacy.

  

Episode 7 - 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?

  

Episode 8 - Lamia

A mysterious illness draws Merlin to a distant village, but it soon becomes clear that there is more at stake than just his patients' well-being as something sinister turns the air sour.

  

Episode 9 - Lancelot du Lac

Gwen must fight temptation before she commits an unspeakable act of betrayal, one that would destroy the legacy of Camelot forever.

  

Episode 10 - A Herald of the New Age

The Knights of Camelot stumble across an eerie shrine deep in the forest, its chilling atmosphere betraying a dark history best left undisturbed. However, when Elyan ignores Merlin's warning, his actions spark a chain of events more frightening than anyone could possibly have imagined.

  

Episode 11 - 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.

  

Episode 12 - 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.

  

Episode 13 - The Sword in the Stone: Part 2

Morgana and Helios have successfully captured Camelot, and Merlin and Arthur are outlaws on the run. Arthur must take control before Camelot is lost forever.

  



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