The Wizard creates a device so Dorothy will never be homesick. However, when it goes awry and starts replacing things from Oz with things from Kansas, Dorothy is told in order to separate the two worlds, she will have to leave Oz forever!

Now that the Wicked Witch has lost her witch powers, she must turn to Wilhelmina in hopes that her niece can help her get her evil magic groove back. Meanwhile, Dorothy and the gang help the Wizard get a handle on his magic powers.