Some movies are so good, they become a genre all their own. Take Diehard, which launched countless imitators in the mold of everyman hero John McClane (even as its sequels forgot he wasn’t actually a superhero). Or Sharknado, which inspired a wave of bizarre movie mashups. But when it comes to inspiring endless copycats that never quite measure up to the original, one movie stands alone — and it’s streaming now on Netflix.
