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 (film) condense the story into feature length. In the film, there are only two Banks children, Jane and Michael. The satirical and mysterious aspects of the original book gave way to a cheerful and "Disney-fied" tone. Mary Poppins' character as portrayed by Andrews in the film is somewhat less vain and more sympathetic towards the children compared to the rather cold and intimidating nanny of the original book. Bert, as played by Van Dyke, was a composite of several characters from Travers' stories. Travers demanded that any suggestions of romance between Mary and Bert be eliminated, so lyrics were written for