Cinderella (1950 film) overhears Cinderella humming the waltz played at the ball. Realizing that Cinderella is the mysterious girl, Lady Tremaine locks her in her attic bedroom. Later, the Duke arrives at the château, and Jaq and Gus steal the key from Lady Tremaine's dress pocket and take it up to the attic as Anastasia and Drizella unsuccessfully try on the slipper. Lady Tremaine's cat, Lucifer, ambushes the mice, but Bruno chases him out of the house, allowing the mice to free Cinderella. As the Duke is about to leave, Cinderella appears and asks to try on the slipper. Knowing it will fit,
Donald's Cousin Gus Donald's Cousin Gus Donald's Cousin Gus is a 1939 Walt Disney cartoon in which Donald Duck is visited by his gluttonous cousin, Gus Goose, who proceeds to eat Donald out of house and home. It was released on May 3, 1939. This cartoon was also the first ever pre-recorded program (in this case, film) to be televised in the United States, airing as part of NBC's "first night" of sponsored programming on May 3, 1939. The short was directed by Jack King, and animated by Lee Morehouse, Wolfgang Reitherman, and Don Towsley. The story was created by Jack Hannah and