Winnie the Pooh and a Day for Eeyore (1983)

Winnie the Pooh and a Day for Eeyore is a Disney Winnie the Pooh animated featurette, based on two chapters from the books Winnie-the-Pooh and The House at Pooh Corner, originally released theatrically on March 11, 1983, with the 1983 re-issue of The Sword in the Stone. It is the fourth and final of Disney's original theatrical featurettes adapted from the Pooh books by A. A. Milne.

More at Wikipedia.