The Doctor and Ace traveled to a version of The Wizard of Oz made up androids. But it is more dangerous than how it was written.
Wicked AU. Was originally supposed to help them, but didn't expect him siding with their enemy. Can the Doctor help Elphaba bring peace to Oz when most of its people still don't trust her. Rated T just in case.
Many things have changed in Oz during Elphaba's departure and she's about to face her most difficult situation.
What happens when Elsa appears in the real world who helps a fan and in turn, also helps Elsa understand the popularity of her own movie. Some references of Doctor Who and an appearance of a Doctor Who villain in future chapters.