The Many Adventures of Winnie the Pooh derived from three previously released animated featurettes Disney produced based upon the Winnie-the-Pooh books by A. A. Milne: "Winnie the Pooh and the Honey Tree" (1966), "Winnie the Pooh and the Blustery Day" (1968), and "Winnie the Pooh and Tigger Too" (1974). Extra material was used to link the three featurettes together to allow the stories to merge into each other. A fourth, shorter featurette was added to bring the film to a close, originally made during production of "Blustery Day" (based on the presence of Jon Walmsley as Christopher Robin). The sequence was based on the final chapter of
Winnie the Pooh and the Honey Tree autobiography, "Walt's Time": The film's plot is based primarily on two A. A. Milne stories: "In which we are introduced to Winnie-the-Pooh and some bees, and the stories begin" (Chapter I of Winnie-the-Pooh), and "In which Pooh goes visiting and gets into a tight place" (Chapter II of Winnie-the-Pooh). Walt Disney first learned of the Winnie the Pooh books from his daughter, Diane. "Dad would hear me laughing alone in my room and come in to see what I was laughing at," Diane later recalled. "It was usually the gentle, whimsical humor of A. A. Milne's Pooh stories. I read