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Continuity mistake: Dorothy's house is outside of the tornado when we first see it up in the air. Then they are immediately inside the tornado. (00:17:15)

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Continuity mistake: As they dance out of the poppy field, the snow that is on them disappears between shots. (00:57:35)

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Continuity mistake: Just before the Wicked Witch leaves Munchkinland she says to Dorothy, "just try to stay out of my way" and her broomstick is facing upwards. In the next shot it's facing downwards. (00:30:35)

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Continuity mistake: When Dorothy starts singing, "It really was no miracle…" we see two Munchkins on the bridge. One in a red and white bonnet and the other has a distinctive blue hat. In the previous shot they are together on the other side of the stage on Dorothy's left. (00:23:40)

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Continuity mistake: As she watches the Wicked Witch "melt", Dorothy holds the pail around the front with her arms. In the next shot she's holding it with her hands. (01:26:50)

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Continuity mistake: The Scarecrow is on the left of the Wizard's balloon as he says, "To confer, converse...". In the next shot he's on the right. (01:34:15)

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Continuity mistake: As Zeke starts to put the feed into the trough there isn't any pig near him. In the next shot a large pig is feeding. (00:04:00)

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Continuity mistake: When Professor Marvel comes by at the end of the movie Dorothy is holding Aunt Em's hand. In the next shot her hand is on her stomach. (01:39:45)

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Continuity mistake: There's a big mistake when we first see Prof. Marvel's wagon. If you look closely, the entrance steps that can be seen reflecting the light are upside down and would have to be set right before they could walk inside. (00:11:20)

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Continuity mistake: In the shot from behind them, the three look down at the entrance to the Wicked Witch's castle and the Scarecrow picks Toto up in his arms. In the next shot Toto is on a rock barking. (01:21:40)

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Continuity mistake: As the Wicked Witch watches them in her crystal ball Dorothy is holding a hanky in her hand and the oil can is held by the Scarecrow. In the previous shot the oil can is in her hand. (00:57:00)

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Continuity mistake: As Toto escapes Dorothy says, "He got away, he got away" and both of her arms are on the ledge. In the next shot her right arm is above her head leaning on the wall. (01:17:40)

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Continuity mistake: When Hunk hits his hand with the hammer there are two brooms leaning against the barn behind him. In the next shot they're gone. (00:03:45)

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Continuity mistake: Dorothy walks around Munchkinland and the large lily pads in the pond change positions between shots several times. (00:20:40)

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Continuity mistake: Glinda says to Dorothy, "I'm afraid you've made a rather a bad enemy of the Wicked Witch of the West…" and the mayor of the Munchkin city walks up from behind them. In the next shot he re-approaches them from the left. (00:31:00)

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Continuity mistake: When the Tin Man starts chopping the Witch's door his axe has marks all over it. Several shots later he raises it again to chop down another door and it's as new as the day he bought it. (01:23:35)

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Continuity mistake: After they meet the Cowardly Lion, the Wicked Witch watches them in her crystal ball. They pass the same rock again that was next to them when they started to sing, "We're off to see the Wizard" and dance down the yellow brick road. (00:53:25)

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Continuity mistake: As they walk up to OZ, there are yellow flowers on the wall to their left. As the walk in we see the same spot behind them and the flowers are gone. (01:00:00)

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Continuity mistake: There are two actresses playing Dorothy (and two dogs playing Toto) as she opens the door to Oz. The first is a stand-in wearing a dull colored dress in order to make it look black and white. After she opens the door and moves out of the way, Judy Garland is who we actually see walking through. Look at the different pleats on the two dresses. (00:19:25)

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Continuity mistake: As Toto escapes from the Wicked Witch there's a mortar and pestle to the left of the hourglass. In a close-up Dorothy looks at the hourglass after the Wicked Witch turns it over and we see the pestle has been moved to the other side of the mortar. There will be no confusion about this if you look at the direction of the shadow cast by the hour glass. (01:18:20)

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