If you are a true cinephile, you want the released in 2018 for the film’s 50th anniversary. This is the most "full" experience possible, as the bitrate is not compressed by internet speeds. The restoration was overseen by Nolan and Warner Bros., scanning the original 65mm negatives.

In a now-iconic moment, Moon-Watcher throws the bone into the air. As it tumbles, the film cuts instantly from the falling bone to a nuclear satellite orbiting Earth—four million years later. Humanity has mastered tools, but they remain primal.