The behind-the-scenes stories can sometimes be as fascinating as the film itself. EW has gathered 19 rare images from The Wizard of Oz, from the casting process to production to the film's ...

Join Kermit the Frog, Miss Piggy, and all the Muppets as they turn ... to the magical land of Oz, Dorothy meets the Wizard, who promises to make her a superstar -- if she and her wacky new friends ...