Certainly the topic of “Ghostbusters” and its unusual production history has been covered quite a bit through featurettes, magazine articles, and books, which have all delved into the minutiae of the creative labor required to manufacture one of the biggest film releases of 1984, and one of the most beloved movies of all time. Directors Anthony and Claire Bueno appear to recognize such an informational challenge, making very careful moves to help their documentary, “Cleanin’ Up the Town: Remembering Ghostbusters,” become something special for fans who’ve been handed almost everything over the last 36 years. Being a homegrown project for the duo, who’ve been carefully crafting the picture for the last 12 years, there are certain limitations in play when it comes to the full breadth of access to the world of “Ghostbusters,” but what’s here is often stunning, collecting interviews, evidence, and anecdotes to best celebrate the feature’s genesis. While there’s plenty here that’s familiar, there’s even more from the Buenos that reignites passion for “Ghostbusters” and the extraordinary effort to bring the picture to life. Read the rest at Blu-ray.com