Watch FMovies. This 1934 short subject was Mack Sennett's final directorial effort for Educational Pictures, and comedienne Joan Davis' film debut. It features Buster Keaton's Mother and Sister, Myra and Louise, respectively. A very young Roy Rogers (billed as Leonard Slye) is featured as a member of the Sons of the Pioneers, and sings a few songs during the course of the movie.