The 8 Most Fun R-Rated Sci-Fi Movies, Ranked

Sometimes you want science fiction to behave itself. Other nights, you want somebody to pull a spine out, drive through a sandstorm with half the wasteland chasing them, discover that reality is fake, or casually announce that they will be back before walking into absolute chaos. There is a special pleasure in movies that have big ideas and absolutely no interest in being polite about them.