The Witches of Oz follows the exploits of the grown Dorothy Gale, now a successful children's book author, as she moves from Kansas to present day New York City. Dorothy quickly learns that her popular books are based on repressed childhood memories, and that the wonders of Oz are very, very real. When the Wicked Witch of the West shows up in Times Square, Dorothy must find the inner courage to stop her.

Children's author Dorothy Gale makes a decent living continuing her grandfather's series of Oz books. When a new agent enters the scene, Dorothy moves to New York city. In the midst of a major business deal for her books, Dorothy discovers that her books are not based on her imagination, but on repressed memories. While Dorothy struggles with the revelation, she is forced to confront The Wicked Witch of the West, who has descended upon the Big Apple, determined to settle an old score.

Dorothy, the tinman, the cowardly lion and the scarecrow go into the woods near Emerald City to shoot a documentary about the Yellow Brick Road. Unfortunately, they get lost and are never heard from again.

Dorothy and crew discover the Wicked Witch is alive./The Wizard discovers the Wicked Witch is alive./Dorothy and her friends are sucked into the Wicked Witch's crystal ball./Dorothy and crew escape the crystal ball as does the Wicked Witch.