On Warner Home Video’s special edition re-release of “The Wizard Of Oz” you can find some interesting hidden features.
In the “Oz Characters” section off the special features menu, go to the first page of Glinda’s info. Select the glowing orb above her wand, and you will find some hidden info pages on the Munchkins.
On the first info page for the Wicked Witch, select the hour glass. This
will take you to some pages with information on the flying monkeys.