High Quality Content by WIKIPEDIA articles! The B movie, whose roots trace to the silent film era, was a significant contributor to Hollywood`s Golden Age of the 1930s and 1940s. As the Hollywood studios made the transition to sound film in the late 1920s, many independent exhibitors began adopting a new programming format: the double feature. The popularity of the twin bill required the production of relatively short, inexpensive movies to occupy the bottom half of the program. The double feature was the predominant presentation model at American theaters throughout the Golden Age, and B movies constituted the majority of Hollywood production during the period.