Continuity mistake: Just before the group starts skipping towards the Emerald city, there is snow everywhere, but in the next shot, it's completely disappeared.
Continuity mistake: The Lollipop Guild teleports all over the scene. As Glinda departs, they are behind Dorothy. As Glinda's bubble rises, several Munchkins run to where she was and wave goodbye, green shirted Lollipop Guilder (Jerry Maren) among them. Cut to Dorothy and Jerry's still behind her. (00:32:40)
Continuity mistake: In the farm, after Hunk the farmhand has had his finger smashed, he scolds Dorothy. When she starts to leave, he hammers his hand and takes off his glove, shouting and turning around in pain. The angle swaps to a wide angle and he is working totally calmly with both gloves on.Sacha