t is an adaptation of the Charles Dickens classic A Christmas Carol, featuring Scrooge McDuck as his namesake and inspiration Ebenezer Scrooge and Mickey Mouse as Bob Cratchit. This film was based on a 1972 audio musical entitled Disney's A Christmas Carol. It is a twenty-four minute animated short film produced by Walt Disney Productions as an accompaniment to a re-release of The Rescuers.

Overview from themoviedb.org