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Backstage the cast of Wicked spoke to the BBC about whether there was a future for the Land of Oz in a TV series.

In the film, as in the book, a pivotal moment occurs when Dorothy must click her heels three times as she repeats "There's no place like home" in order to leave the magical land of Oz and return to Kansas and her Auntie Em.

The story explores the lives of two witches, Elphaba and Glinda - played by Grande and Erivo - before and after Dorothy's arrival in the mythical land of Oz.

Based on the 1900 children's novel The Wonderful Wizard of Oz by L. Frank Baum, the film featured a young Kansas girl called Dorothy and her dog Toto, who were transported to the fantastical Land of Oz by a tornado.

Set in the Land of Oz before Dorothy Gales' arrival from Kansas, the movie covers the musical's first act.