Leobardo López Aretche is a pivotal figure in Mexican cinema, celebrated for his incisive storytelling and commitment to documenting social issues. His landmark documentary, *El Grito* (1968), is a powerful exploration of the Mexican student movement and the tragic events of the Tlatelolco massacre. This film not only serves as a historical record but also as a touchstone for collectors seeking to understand the socio-political landscape of Mexico during the late 1960s. In addition to *El Grito*, López Aretche directed notable films such as *El Cambio* (1971) and *Crates* (1976). Both films showcase his unique vision and narrative style, making them sought-after titles among collectors. *El Cambio*, with its reflection on societal transformation, and *Crates*, a deep dive into human experiences, continue to resonate with audiences today. Collectors value these works not only for their artistic merit but also for their cultural significance, marking Aretche as an essential director in the history of physical media.