Rank It: Which of These Is the Best Longest-Running Horror Series?

In horror movies, evil never dies. At least, that’s the rule when it comes to Hollywood’s most enduring horror movie franchises, in which humanity has struggled repeatedly – and mostly in vain — to defeat various forms of evil, whether demonic, monstrous, psychopathic, or alien. To celebrate the release of Alien: Covenant, here’s a look at the five-decades-old Alien franchise, plus some of our other favorite long-running horror series that feature a lot of death… but refuse to die.