Sci-fi has a way of turning big questions into unforgettable images – aliens, A.I., time loops, and futures that still feel eerily possible. If you love science fiction movies, these are the titles that shaped the genre’s language and raised the bar for everyone else.
This list is built around essentials: films that defined eras, influenced countless directors, and still hold up whether you’re a longtime fan or catching up. If you’ve got gaps in your watch history, start here.