5,831 votes


BBC One 2008

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

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The 10 Worst Episodes of Merlin

Merlin - S2E5

#1 - Beauty and the Beast (1)


Season 2 - Episode 5

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 from 295 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 from 296 votes.

Merlin - S1E2

#3 - Valiant


Season 1 - Episode 2

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 from 484 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 from 263 votes.

Merlin - S3E9

#5 - Love in the Time of Dragons


Season 3 - Episode 9

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

The episode was rated from 246 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 from 339 votes.
Merlin - S3E6
#7 - The Changeling
Season 3 - Episode 6

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 from 264 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 from 415 votes.
Merlin - S1E1
#9 - The Dragon's Call
Season 1 - Episode 1

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 from 625 votes.
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 from 301 votes.

Last updated: dec 02, 2021



Thank you Merlin.


This is a decent show...not really good but cheesy good. There are some parts that are fantastic and some parts that are subpar so it evens out to a decent show. Anthony Stewart Head as Uther is probably the best part of this show, he is a rock solid actor. This show had so much potential with having them the same age, they could have done SOOOO MUCH but they chose to ignore pretty much all of that potential. With that said, the series finale is INCREDIBLY AWFUL so it tainted the show for me so I would suggest just skip the last episode.


I agree with the other comments about the series finale. Skip it if you want to end the show on a good note. I LOVED this show because of the two leads. Not every episode was amazing, but there were real gems in there. They could have really done something different with the ending; it left me with a sour taste in my mouth... That said, I still recommend the rest of the series. It's one of my all-time favourites.


So painful to say goodbye. What an amazing series! Oh great. I'm crying again.


super amazing!


when i first started watching merlin i was just curious but now i cant wait till next season recommend this to anyone who would like to have another view at how king arthur became the man he was (in this tale ofcourse :) )


The weird thing about this show is that it is so awfully written, yet the humor is amazing.


@rottnkorpse .. I thought the whole series was pretty awesome, and I loved the way year by year it grew, as the characters grew! Everything about it was excellent! However, I don't agree about the last episode. Yes, I was disappointed, but only because I knew it was over! It was pretty much the way I would expect an incredible series like "Merlin" to end! I really wish it wasn't over!!


The early seasons were pretty great but it got progressively worse until I gave up, halfway through season 5. I hear I didn't miss much. Loved the dynamic between Arthur and Merlin though and am angry that they didn't do more with this show. If I had stopped at season 1 or 2 I would have probably given this an 8.


Series is decent but plots keep repeating. Everytime there's another infiltrator.

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