Merlin is confused on how to deal with the boy, so he asks the great dragon for his advice. Gaius guides Merlin through Camelot, acting as a mentor. "Arthur is safe once more!" The next day a plague causes people to die, their skin turning white with dark blue veins. Compared by many to be two sides of the same coin, Merlin and Arthur's relationship was at the heart of the show. In this episode, he loses it. Merlin goes back to Gaius with the clues the dragon has given him. When Gwen's father exhibits symptoms, Merlin waves Gaius's warning by curing him. Its not that I dislike Richard Wilson but Gaius really had outlived his usefulness in the series at that point and I think he got in the way of Merlin learning about these creatures himself and also from the Dragon being his mentor. Breaking the Fourth Wall: In the final moments of the episode, Old!Merlin stares straight into the camera. Richard Wilson teamed up with Simon Callow in 2014 for the Playhouse Presents episode “Space Age.” The aging astronauts volunteer for a space mission, opting out of the overpopulated retirement home. Broken Pedestal: A minor example. fdarcy Gauis to me is conflicted, he loves Merlin, Arthur and Gwen, I know that in 4:9 he did not take up for Gwen and that in 5:2 he willingly pleaded for Sefa. But mostly it’s the episode where Merlin kills … When King Uther orders Prince Arthur to search all Camelot for the sorcerer he believes to have caused the epidemic, only a magic trick saves Merlin from having his book found. But there is a price to pay: in order to save a life, a life must be taken. Book-Ends: Merlin says in the pilot that without his magic, he might as well die. After the execution of his master, Merlin and Morgana convince Gaius to help cure him and they decide to help him escape. The Knights and Saxons fight, with Arthur and Mordred putting their dragon-forged swords to good use. The dark sorceress Nimueh casts a spell on a dragon egg she throws into the castle's water. Directed by James Hawes. One of the best relationships on Merlin was between the series' eponymous protagonist and Camelot's king. Gaius spots the Fomorrah under Merlin's skin and, after paralysing the serpent, removes it with a knife. Merlin has some tough decisions to make that could see his world changed for ever. The next day a plague causes people to die, their skin turning white with dark blue veins. The dragon reveals a prophecy that Mordred would be the one to kill Arthur in the future and advises Merlin to let the boy die. And after that cliffhanger from last time, the episode opens exactly where we left off: in the middle of a huge battle, with Merlin riding to the rescue. I would have had Gaius die in the last episode of series 4. 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