Mary Poppins in 2004, Walt Disney first attempted to purchase the film rights to "Mary Poppins" from P. L. Travers as early as 1938, but was rebuffed because Travers did not believe a film version of her books would do justice to her creation and did not want an animated cartoon based on it. The books had been a favourite of Disney's daughters when they were children, and he finally succeeded in purchasing the rights in 1961, although Travers demanded and got script approval rights. The relationship between Travers and Disney is detailed in "Mary Poppins She Wrote", a biography of Travers,
Mary Poppins Opens the Door faintly make out Mary Poppins. They wave and she waves back to them. "Mary Poppins herself had flown away, but the gifts she had brought would remain for always." In 2004, Julie Andrews appeared in a live-action/animated 10-minute short film produced by DisneyToon Studios for the 40th Anniversary DVD release of "Mary Poppins". "The Cat That Looked at a King" was based on "Mary Poppins Opens the Door," and was the first project offered to The Answer Studio, which included former employees of Walt Disney Animation (Japan). As the film opens, two modern-day British children are looking at chalk drawings