Okay, so first there were the L. Frank Baum books, with "The Wonderful Wizard of Oz" published in 1900. Numerous stage versions, musical and not, trailed along after, before the boffo 1939 movie with Judy Garland singing about going "Over the Rainbow" and enough repeats on television to secure images of the Scarecrow, Tin Man and Cowardly Lion in the minds of generations of children. The Wiz, a more urban, contemporary musical version of the story, showed up on Broadway in 1974, followed by a fairly lame movie version of the show starring Diana Ross and Michael Jackson. After that came a nasty piece of work, a 1985 Disney movie called Return to Oz, and then "Wicked: The Life and Times of the Wicked Witch of the West," a fresh take on the material from the Witch's point of view by author Gregory Maguire, which spawned a Broadway musical of its own, the insanely popular Wicked. "Over the Rainbow" gave way to "Ease on Down the Road" which gave it up for "Defying Gravity" in the 21st century.
But that was only the tip of the Emerald City iceberg. Zooey Deschanel and Alan Cumming headlined a 2007 TV miniseries on the SyFy Channel called Tin Man that turned Dorothy in DG, a small-town waitress, and Oz into a scary place called the O.Z., or Outer Zone. In case you've already forgotten, James Franco tried the Wizard's hat on for size in Oz the Great and Powerful earlier this year.
If you follow ABC's Once Upon a Time closely, you may know that its creators fully expect to bring in a spare Wizard or Wicked Witch at some point, what with showing Flying Monkeys in the storybook that started their show and an emerald land somewhere in the Mad Hatter's hat.
As OUAT showrunners Horowitz and Kitsis debate when to punch their ticket for the Yellow Brick Road, CBS, NBC and SyFy (again!) are launching Oz projects of their own, with various odd riffs on Emerald City and its denizens.
NBC has plans for a drama called Emerald City, which Deadline describes as "a dark reimagining of the classic tale of Oz in the vein of Game Of Thrones, drawing upon stories from Baum’s original 14 books."
There's more specific info out there on SyFy's Warriors of Oz, a post-apocalyptic saga with no Dorothy, but instead a male warrior type person who travels from current Earth to the future, where he has to work with three brawny battlers called Heartless, Brainless and Coward. Gee, I wonder who those guys are supposed to be? Heartless, Brainless and Coward will be helping Our Hero save the world from an evil Wizard. Even the villain isn't allowed to be female in this one. Yikes.
Dorothy, from CBS, at least has the girl back in the center of the action, but it's being described as a medical drama. Carl Beverly and Sarah Timberman, the executive producers of Elementary, the modern New York version of Sherlock Holmes, are behind this odd idea, where Dorothy is apparently going to start work at (or be admitted to) some sort of Green Hospital where she runs into, oh, I don't know, a cardiologist, a brain surgeon, and an Old Lion of a hospital administrator who is terribly afraid of malpractice suits? Or maybe they're all mental patients who think they're in Oz and the Wicked Witch is the Nurse Ratched of the piece? I guess we'll have to wait and see.
But that should certainly represent enough Oz projects for even the most devoted Wizard fan.