Oswald the Lucky Rabbit Mouse cartoon to be filmed was "Plane Crazy" in the summer of 1928, but it was produced as a silent and held back from release. The first Mickey Mouse film with a synchronized soundtrack, "Steamboat Willie", reached the screen that fall and became a major hit, eclipsing Oswald. "Plane Crazy" was later given its own synchronized soundtrack and released on March 17, 1929. Mintz, meanwhile, opened his own studio consisting primarily of former Disney employees, where he continued to produce Oswald cartoons, among them the first Oswald with sound, "Hen Fruit" (1929). While things were going in Mintz's favor, animators
The Merry Old Soul ordeal impossible to get out of. It appears the experience at the castle was nothing more than a nightmare as Oswald wakes up and sees himself still at the dental clinic. The dentist, at last, succeeds in extracting the tooth, and Oswald is relieved of his dental worries. The short is available on "The Woody Woodpecker and Friends Classic Cartoon Collection" DVD box set. The Merry Old Soul The Merry Old Soul is a 1933 animated short film by Walter Lantz Productions, and part of the Oswald the Lucky Rabbit series. The cartoon was also nominated for an Academy Award.