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 A fourth, shorter featurette was added to bring the film to a close, originally made during production of "Blustery Day" (based on the presence of Jon Walmsley as Christopher Robin).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 Blustery Day Winnie the Pooh and the Blustery Day Winnie the Pooh and the Blustery Day is a 1968 animated featurette based on the third, fifth, ninth, and tenth chapters from "Winnie-the-Pooh" and the second, eighth, and ninth chapters from "The House at Pooh Corner" by A. A. Milne. The featurette was produced by Walt Disney Productions and released by Buena Vista Distribution Company on December 20, 1968 as a double feature with "The Horse in the Gray Flannel Suit". This was the second of the studio's Winnie the Pooh shorts. It was later added as a segment to the 1977 film