Synopsis:
Posing as a servant girl, the witch Nimueh enters Camelot seeking revenge on Merlin with a plot to poison him. Meanwhile, Bayard and the Knights of the Western Isles are welcomed to Camelot to celebrate the union between the two kingdoms. Unaware of Nimueh's true identity, Merlin saves Arthur from drinking from a poisoned goblet by drinking the potion himself, which puts him in a deep coma. Gaius discovers the origin of the poison and needs to make an antidote to save Merlin. Arthur disobeys Uther's commands and sets off on a quest to save Merlin.
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