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
Oswald the Lucky Rabbit "The Moving Picture World" noted Oswald was "good for a lot of smiles and real laughs. 'Trolley Troubles' presents Oswald as the skipper of a dinkey little trolley on a wild ride over mountains." According to "The Moving Picture World": With the release of "Oh, Teacher", "Moving Picture World" wrote that it "lives up to the promise of the first ... as a clever, peppy, and amusing series of cartoons that should prove popular in any type of house. This one deals with Oswald as a school kid and introduces a cat as his rival. It contains some of the