Revealing mistake: In the scene where King Arthur expounds on the joy of his kingdom, he has a Band-Aid on the back of his neck. (00:21:00)
Continuity mistake: There is a scene when King Arthur is just starting the Round Table. All the knights are gathered and bow on their knees to Arthur and King Pelinor who ceremoniously holds the sword Excalibur. But King Pelinor doesn't arrive in Camelot until after the following scene (which is May Day). (00:37:00)
Continuity mistake: The garden on the left side of the road to the Camelot castle changes in height, dramatically, from scene to scene. When Lancelot first encounters Arthur the garden is freshly harvested and cut. Later, the garden is lush and green.
Continuity mistake: In the scene were Lancelot is singing the song "If Ever I Should Leave You," Lancelot and Guenevere are seen laying on the ground holding hands, in the next shot Lancelot is holding her other hand and his arm is under her neck.
Continuity mistake: In the garden where Lancelot and Guinevere secretly meet, Guinevere has a ring which she wears on the upper joint of her finger. It vanishes halfway through the scene.
Continuity mistake: King Arthur is wearing a gold cloak when waiting to be told if Lancelot has come to rescue Guinevere. It disappears from his shoulders.
Continuity mistake: In the scene where Arthur tries to convince Guinevere to withdraw her kerchiefs, it appears that she holds and sniffs a yellow rose prior to Arthur having given it to her.
Factual error: During the Jousting all the knights fail to use their lances correctly by putting them across the horse's neck, instead they just attack each other on the lance arm.
Other mistake: King Arthur is on the far right of the scene as Guinevere is led away by the guards and he nods at someone off camera, asking them if it's OK to start acting as the camera moves around.
