Once Upon A Mouse (Disney 1981)

Once Upon a Mouse is a 1981 American theatrical featurette directed by Jerry Kramer and Gary Rocklen, produced in association with Walt Disney Productions by Kramer-Rocklen Studios. It was released on July 10, 1981 on a double bill with The Fox and the Hound.

A documentary featurette produced in celebration of the studio's 24th feature-length animated film The Fox and the Hound which highlights sixty years of Walt Disney's legacy beginning with Steamboat Willie in 1928 followed by a kaleidoscopic magic carpet ride through the world of Disney animation, including segments from hundreds of films shown through the use of montages, collages, computerized optical effects, behind-the-scenes footage, and special tributes to Disney and Mickey Mouse.