Can you believe it's been more than 50 years since Walt Disney released his Hollywood classic, Mary Poppins? Because most of us first saw the movie as children, we were able to suspend our disbelief during some of the more fantastical scenes. But now that you're older, don't you have questions about the film? Like how the songwriters came up with supercalifragilisticexpialidocious? Or who else was considered for the part of Mary Poppins? Well, we have the answers! Scroll through to learn more about this fascinating movie.