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. After the execution of his master, Merlin and Morgana convince Gaius to help cure him and they decide to help him escape. 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. The Knights and Saxons fight, with Arthur and Mordred putting their dragon-forged swords to good use. 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. I would have had Gaius die in the last episode of series 4. 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. The dark sorceress Nimueh casts a spell on a dragon egg she throws into the castle's water. In this episode, he loses it. "Arthur is safe once more!" 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. Directed by James Hawes. When Gwen's father exhibits symptoms, Merlin waves Gaius's warning by curing him. Book-Ends: Merlin says in the pilot that without his magic, he might as well die. The next day a plague causes people to die, their skin turning white with dark blue veins. Broken Pedestal: A minor example. Gaius guides Merlin through Camelot, acting as a mentor. Compared by many to be two sides of the same coin, Merlin and Arthur's relationship was at the heart of the show. Gaius fills in the gaps – the ancient magic which has the power to mirror life can reverse death itself. This episode is the first to look at the lengths Merlin will go to save Arthur, an issue which raises it’s head throughout the show as Merlin is forced to make increasingly murky decisions to keep the Once and Future King alive. With Colin Morgan, Angel Coulby, Bradley James, Katie McGrath. Merlin is confused on how to deal with the boy, so he asks the great dragon for his advice. Breaking the Fourth Wall: In the final moments of the episode, Old!Merlin stares straight into the camera. But there is a price to pay: in order to save a life, a life must be taken. 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. "We have the old Merlin back," gushes Gwen. The next day a plague causes people to die, their skin turning white with dark blue veins. 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