In the 1920s and 1930s, documentary filmmakers began to explore the inner workings of the entertainment industry. Classics like The Hollywood Studio System (1929) and Behind the Scenes at the Hollywood Studio (1930) offered a glimpse into the lives of stars, directors, and producers during Hollywood's golden age. These early documentaries provided a nostalgic look at the industry's early days, showcasing the glamour and excitement of the silver screen.