Spies is one of twenty-six Private SNAFU cartoons made by the US Army Signal Corps of World War II, and since released into the public domain. Spies was directed in 1943 by Chuck Jones, written by Theodor Geisel a.k.a. Dr. Seuss, voiced by Mel Blanc, and featuring original music by Carl Stalling.
This film is in the .mp4 format, and might act strangely if you have not installed QuickTime.