Pygmalion is a 1938 British film based on the George Bernard Shaw play of the same title, and adapted by him for the screen. It stars Leslie Howard and Wendy Hiller. The film was a financial and critical success, and won an Oscar for best screenplay and three more nominations.
My Fair Lady is a 1964 musical film adaptation of the Lerner and Loewe stage musical, of the same name, based on the 1938 film adaptation of the original stage play Pygmalion by George Bernard Shaw. The ballroom scene and the ending were taken from the previous film adaptation (1938) (Pygmalion), rather than from the original play. The film was directed by; George Cukor and starred Audrey Hepburn and Rex Harrison.
Pygmalion available for free download at the Internet Archive