Star Clusters is a 1974 educational science film that delves into the fundamental properties of binary star orbits, utilizing computer animation techniques to enhance understanding. The film discusses the quadruple star system Xi Ursae Majoris, providing historical context and serving as an introduction to prominent stellar objects such as Sirius and white dwarfs. As part of the "Explorations in Space and Time" series, this film aims to make complex astronomical concepts accessible to students and enthusiasts.