It has been 77 years since the original The Wizard of Oz film hit our screens, but the 1939 movie is still a huge hit today.

The beloved film has remained a classic throughout the years, with no one becoming tired of the story of Dorothy’s adventure along the yellow brick road.

The musical-comedy movie, based on the original novel by L. Frank Baum, is still ranked as one of the best films in cinema history by critics, but there are some behind the scene secrets that are never spoken of.

You may want to re-watch the movie again after reading these 18 fascinating facts.

1. ‘Over The Rainbow’ Almost Didn’t Make The Final Cut

It’s one of the most iconic songs ever, but the part where Dorothy sings ‘Over the Rainbow’ almost didn’t make it into the final version of the film. The producers thought the song might bore younger viewers so were considering taking it out. Thankfully, they realized how amazing it was and kept it in.