Merlin

10 Worst Episodes of Merlin

The unlikely friendship between Merlin, a young man gifted with extraordinary magical powers, and Prince Arthur, heir to the crown of Camelot.

Written by Sophie and last updated on feb 04, 2023.

PS: The following content contains spoilers!

PPS: I will admit that parts of this page was written with the help of AI - it makes my work so much easier to not start from a blank page!

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Merlin - S2E4

#10 - Lancelot and Guinevere (Season 2 - Episode 4)

Gwen is mistaken for Morgana and kidnapped by the savage outlaw Hengist. Uther refuses to pay her ransom, so Arthur defies his father and heads out into dangerous enemy territory to fight for Gwen's freedom. Merlin suspects Arthur's devotion to Gwen is more than that of a prince to one of his subjects. How will Arthur react when he discovers Gwen is not alone in Hengist's castle? She and Lancelot have found each other again, and powerful feelings rekindle.

The episode was rated 7.80 from 301 votes.

Merlin - S1E1

#9 - The Dragon's Call (Season 1 - Episode 1)

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Merlin is told by the Great Dragon that it is his destiny to make sure that the young Prince Arthur is kept safe. Anybody caught performing magic is punished with death and Merlin is not a fan of Arthur. When Arthur's life is endangered Merlin finds himself tested.

The episode was rated 7.79 from 625 votes.

Merlin - S1E3

#8 - The Mark of Nimueh (Season 1 - Episode 3)

A deadly plague spreads through Camelot. When it seems that sorcery can be the only possible explanation, Merlin and Gaius race to find a cure, while Gwen is arrested and sentenced to death for practising witchcraft.

The episode was rated 7.79 from 415 votes.

Merlin - S3E6

#7 - The Changeling (Season 3 - Episode 6)

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Uther pressures Arthur into an arranged marriage with a visiting princess, Elena, though Merlin soon has reservations after discovering that Elena may not exactly be who she claims to be. As he tries to uncover the princess' dark secret, he learns that Elena's nanny is a Pixie. But what are their motivations? Who do they work for? And most important of all, what benefit do they get from her marriage to Arthur, the heir to the throne of Camelot? Will Merlin be able to get to the bottom of it all and prevent Arthur from making the biggest mistake of his life?

The episode was rated 7.78 from 264 votes.

Merlin - S5E6

#6 - The Dark Tower (Season 5 - Episode 6)

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 it's not going to be easy, for she is locked in the Dark Tower, a place that haunts the dreams of men. Arthur and his Knights must embark on a quest like no other, battling through a landscape riddled with hidden dangers, perilous obstacles and magical beings. As they near their goal, Merlin's sense of dread reaches breaking point. What twisted game is Morgana playing? And more importantly, just what is the final test that awaits them in the tower?

The episode was rated 7.77 from 339 votes.

Merlin - S3E9

#5 - Love in the Time of Dragons (Season 3 - Episode 9)

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An old flame of Gaius' arrives in Camelot under the influence of a Manticore.

The episode was rated 7.77 from 246 votes.

Merlin - S3E7

#4 - The Castle of Fyrien (Season 3 - Episode 7)

Gwen faces an impossible dilemma when she is forced to choose between saving the life of Elyan, her estranged brother and only sibling or Arthur's, Camelot's prince and the love of her life. When one of them is certain to find death at the hands of Cenred, who will Gwen choose? Once again, loyalty, love and friendships are tested to the limit as Arthur, Merlin and Gwen are forced to put their minds together to try and find a way out of the cruel quandary. Morgana and Morgause, in turn, will do their best ruin their plans. Will good conquer evil or will Gwen end up losing someone she loves again?

The episode was rated 7.73 from 263 votes.

Merlin - S1E2

#3 - Valiant (Season 1 - Episode 2)

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Camelot is hosting its annual sword tournament and knights from throughout the realm have come to complete for its coveted title. Amongst those hoping to win the crown is Knight Valiant.

The episode was rated 7.69 from 484 votes.

Merlin - S2E6

#2 - Beauty and the Beast (2) (Season 2 - Episode 6)

Lady Catrina has now been crowned and is now known as Queen Catrina. She accuses Merlin of stealing and he is driven into hiding, and must now find a way to expose her true form.

The episode was rated 7.68 from 296 votes.

Merlin - S2E5

#1 - Beauty and the Beast (1) (Season 2 - Episode 5)

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Lady Catrina and her strange servant Jonas arrive in Camelot, where they are welcome to stay by a most delighted king Uther, who becomes captivated by his latest guest. Arthur, on the contrary, far from sharing his father's enthusiasm and in the sight of the flirting going on, is pretty appalled with the situation. Merlin and Gaius have the feeling that she is not what she seems and their suspicions are proven true when Merlin discovers that Lady Catrina is a troll and that unfortunately, her intentions are far beyond the prize of a king's heart. Horrified, he reveals the truth to Arthur, who doesn't believe him. Merlin embarks in the task of proving the real nature of the woman while at the same time saving Uther from ruin and Camelot from fall. Will the young warlock be able to overcome the powerful magic of the troll before it's too late?

The episode was rated 7.63 from 295 votes.

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