Continuity mistake: The strand of straw that the crow pecks from the Scarecrow's lapel was not there before, as shown by previous close-ups. (00:36:00)
Continuity mistake: When Dorothy says, "No, I just thought you hurt yourself" she takes her hand off the Scarecrow's shoulder. In the next shot her hand is back on his shoulder. (00:36:00)
Continuity mistake: When the Scarecrow falls to the floor after his "If only I had a Brain" song, Dorothy goes to his aid and grabs his arm tight. But in the next shot, her hands are by her side, and she quickly grabs the Scarecrow's hand again, shaking it. (00:36:00)
Continuity mistake: When the Scarecrow says, "You see, I can't even scare a crow" Toto is nowhere to be seen. Two seconds later he's sitting in Dorothy's lap. (00:36:15)
Continuity mistake: When the Scarecrow sings, " In trouble or in pain" Dorothy grabs him and is holding her basket with her left hand. In the next shot the basket is on her forearm. (00:36:55)
Continuity mistake: When the Scarecrow sings, "O my heart all full of pain," he puts both of his hands over his heart. In the next shot, he's dancing and his arms are waving. (00:36:55)
Continuity mistake: In the scene where the Scarecrow comes down off the pole and onto the yellow brick road, some of his stuffing falls out. You can then see Dorothy pick it up and put it back in. After Dorothy agrees to take the Scarecrow with her and they begin to skip away, you can see the straw that Dorothy supposedly picked up and put back inside the Scarecrow on the road again. (00:37:45)
Continuity mistake: When the Scarecrow says, "Won't you take me with you?" the straw from his right hand touches Dorothy's hair, but in the next shot his hand isn't even close to her. (00:38:30)
Continuity mistake: The pole that the Scarecrow was on moves out in front of the corn at the end of the scene as Dorothy and the Scarecrow run off and sing, "We're off to see the Wizard". (00:38:50)
Continuity mistake: As Dorothy and the Scarecrow dance off and sing, "We're off to see the Wizard" the flowers that were on the fencepost have been removed. The stepladder by the fence has also been moved without being touched. (00:38:55)
Suggested correction: The flowers are still there.
Continuity mistake: When Dorothy walks up to the apple tree, the apple that she picks off of it, in the next shot is not there and after she picks the apple the remaining apples above her head disappear in the next few shots without being touched. (00:39:30)
Continuity mistake: When Dorothy walks up to the talking apple tree his arms are spread wide apart. In the next shot his left hand is pointing at the apple she picks. (00:39:30)
Continuity mistake: When Dorothy and the Scarecrow first enter the apple orchard, in long shots, the ground around the trees is brown, barren and furrowed. However, in head shots of Dorothy, the ground appears lush and grass-covered. (00:39:35)
Continuity mistake: During the scene when Dorothy and Scarecrow are fighting with the trees, Scarecrow says "I'll show you how to get apples" and he gets hit by the apples. In the very next shot, a quick view of Dorothy reveals she is wearing black shoes, not her ruby slippers. (00:40:15)
Continuity mistake: After the talking trees throw their apples at Dorothy she walks up a small hill and finds the Tin Man. If you look behind her there's a house across the Yellow Brick Road. We just saw this exact same spot in the previous shot as they were being pelted with the apples and the house is not there. (00:40:20)
Continuity mistake: When the talking trees throw their apples the Scarecrow walks over to the right side of the Yellow Brick Road as he picks some up. In the next shot he's on the other side of the road picking up apples that weren't there in the previous shot. (00:40:20)
Continuity mistake: In the scene where Dorothy and the Scarecrow first meet and oil the Tin Man, the leaves on the Tin Man's shoulders appear and disappear several times. (00:40:50)
Continuity mistake: When they meet the Tin Man, after Dorothy picks up the oil can from the tree stump a leaf appears out of nowhere on it. It reappears and disappears several times. (00:41:15)
Continuity mistake: When they first meet Tin Man he is holding plants in his left hand. They change each time we see them. (00:41:15)
Continuity mistake: When they first meet the Tin Man a purple bird with a red beak appears and disappears several times near the house behind them. (00:41:20 - 00:42:20)