Betty Boop's Museum  Betty Boop's Museum is a 1932 Fleischer Studios animated short film starring Betty Boop, and featuring Koko the Clown and Bimbo. Koko is recruiting customers for a 50-cent sightseeing tour of the museum. Betty is Koko's only passenger. Betty gets locked inside by accident. The skeletons from the displays come to life and chase Betty, until she is finally rescued by Bimbo.