Adventures in the Emerald City: The Intrigues of Old Mombi (2000)

The evil witch Mombi and the self-styled girl General Ginger have seized power in the Emerald City of Oz. The Scarecrow, along with his friends, disenchants the daughter of the last legitimate ruler of the Emerald City, Ozma, and fights for justice. And in this they are helped by the girl Dolly from Kansas, the good fairy Glinda and the scientist Woggle bug.