It's one of the most beloved movies of all time, and most of us feel like we already know it inside and out. But in addition to the many juicy behind-the-scenes secrets known about the making of 'The Wizard of Oz,' there are also some downright embarrassing bloopers that somehow made it into the final version.
Eagle-eyed fans have caught many filming mistakes over the years, but this one is so blatant, we can't resist helping share it with the world!
It happens in the scene when Dorothy and the Scarecrow are being attacked by the mean, unfriendly apple trees. If you look closely, there's a brief moment when Judy Garland is wearing black shoes instead of her usual ruby slippers.
Don't believe us? Here's the clip.
Did you catch it? If not, here's a screen-grab of the exact moment it happens (about 10 seconds after the clip begins).
We look at it like this: When the most important thing about your outfit is your shoes--and said shoes are such an integral part of the movie's plot--it makes sense to make sure they're being worn in EVERY scene, wouldn't you agree?
NEXT: Here are 12 CRAZY, creepy things you never knew about 'The Wizard of Oz'!