Find out who -- besides Dorothy and her pals -- followed the Yellow Brick Road in this documentary that traces the global phenomenon of The Wizard of Oz, from L. Frank Baum's famous novel and the 1939 classic movie, to the modern musical "Wicked." Examining the cultural impact of the famous story, this film uses interviews with Mervyn LeRoy, producer of the original big-screen version, as well as noted actors and three original Munchkins.