Budo: The Art of Killing (1978)

Budo: The Art of Killing is an award winning 1978 Japanese martial arts documentary created and produced by Hisao Masuda and financed by The Arthur Davis Company. Considered a cult classic, the film is a compilation of various Japanese martial art demonstrations by several famous Japanese instructors such as Gozo Shioda, Taizaburo Nakamura and Teruo Hayashi. Martial arts featured in the film include: Karate, Aikido, Kendo, Sumo, and Judo among others. The only modern Japanese martial art not featured in the film is Kyudo.

More at Wikipedia.