Why was Mary Poppins an important success for Walt Disney’s studio?

Mary Poppins (1964) stands as one of the most significant achievements in the career of Walt Disney, representing a major triumph for his studio. Its success was driven by several key factors:1

• Critical and Commercial Acclaim: The film was a massive success at the 1965 Academy Awards, where it received 13 nominations and won five awards, including Best Actress for Julie Andrews in her iconic screen debut.1
• Technical Innovation: The production was celebrated for its groundbreaking integration of live-action footage with animation, a stunning visual effect for the era.1
• Cultural Impact: The film’s music, composed by the Sherman brothers, became deeply embedded in popular culture, with songs like "A Spoonful of Sugar" and "Supercalifragilisticexpialidocious" becoming enduring classics.1
• Legacy: The film’s popularity was so profound that it remains a cornerstone of the Disney Company legacy, eventually inspiring a hit stage musical and a 2018 sequel, Mary Poppins Returns.1

Despite the film's success, it is noted for the contentious relationship between Disney and the original author, P.L. Travers, who famously disliked the studio's adaptation of her work.12