Plot sacrificed for special effects in 'Oz: The Great And Powerful'

Made in 1939 for the staggering sum of $3.7m, 'The Wizard Of Oz' failed to cast a spell over audiences on its initial release.

More than 70 years later, Victor Fleming’s fantastical yarn is one of the most beloved family films in the cinematic pantheon and a staple of the Christmas television schedules.