'The Wizard of Oz' at the Sphere Courtesy of Sphere Entertainment Share on Facebook Share on X Share to Flipboard Send an Email Show additional share options Share on LinkedIn Share on Pinterest Share on Reddit Share on Tumblr Share on Whats App Print the Article Post a Comment The Wizard of Oz makes its groundbreaking debut at Las Vegas' Sphere on Thursday night, and just before showtime, James Dolan is dropping quite the easter egg. The Sphere Entertainment Co.