Der Fuehrer's Face (originally titled Donald Duck in Nutziland or A Nightmare in Nutziland) is an American animated anti-Nazi propaganda short film produced by Walt Disney Productions, created in 1942 and released on January 1, 1943, by RKO Radio Pictures. The cartoon, which features Donald Duck in a nightmare setting working at a factory in Nazi Germany, was made in an effort to sell war bonds and is an example of American propaganda during World War II. The film was directed by Jack Kinney and written by Joe Grant and Dick Huemer.
— Wikipedia