Not every Stephen King adaptation is a masterpiece. While some of his stories have been turned into cinematic gold, others have failed spectacularly – whether due to poor execution, bad casting, or straying too far from the source material. In this list, we rank the top 20 worst movie adaptations of Stephen King's novels, exploring the films that disappointed fans, critics, and even King himself. From baffling changes to cringe-worthy performances, these adaptations prove that not every great book makes for a great movie.
