Horror franchises tend to endure because of several reasons. First and foremost, the title conjures up nostalgia for older viewers, as the many of the most popular ones started in the 1970s or ‘80s. Sequels can recycle key elements of past films as long as they tweak the formula enough to offer so mething original. And they’re also relatively cheap to make, as new films can bring in young or lesser-known actors to be terrorized. ...read more read less