You're a Sap, Mr. Jap (1942)
Genres: Short, Animated
Cast: Popeye, cartoon
You're a Sap, Mr. Jap is a 1942 one-reel Popeye the Sailor animated cartoon short subject released by Paramount Pictures on August 7, 1942. It was the first cartoon short to be produced by Famous Studios. It is one of the best-known World War II propaganda cartoons.