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Television showrunners have produced several King adaptations over the years since the 1970s, and while some are network shows, they really found critical success thanks to streaming and cable networks. With new shows coming from Mike Flanagan (Carrie) and more on the way, Kingโs stories still connect with fans after five decades. Here is a look at the best Stephen King television series, ranked by how scary they are.
10) 11/22/63

Based on quality, 11/22/63 is one of the best Stephen King novels the author ever wrote, and the adaptation is just as high quality. However, for fear factor, this is not a scary novel or streaming series, but it is an intense and thrilling adventure story. James Franco stars as a teacher who takes on a special mission. Using a time travel device that drops him off at the same time and date every time he uses it, he has to stop John F. Kennedyโs assassination, hopefully to make the world a better place. However, as any time-travel fan knows, that isnโt how things work out. 11/22/63 is a brilliant story and a fantastic TV series, but it doesnโt rely on fear to win over the viewers.
9) The Dead Zone

The Dead Zone was the most ambitious and successful Stephen King television adaptation because it lasted for six seasons and 80 episodes. While the David Cronenberg movie with Christopher Walken is still the best adaptation, this procedural series was just as fun and delivered great action every week. Anthony Michael Hall stars as Johnny Smith, who helps the police solve cases in each episode using his premonition powers. The overall plot with politician Greg Stillson possibly causing the apocalypse is also well done, with Sean Patrick Flannery as the aspiring politician. There were some scary episodes, thanks to the serial killer aspects, and the big mystery was heading for disaster, making this a fantastic King adaptation for anyone who loves episodic televised storytelling.
8) Mr. Mercedes

Mr. Mercedes was the start of a new era for Stephen King, as this was the start of his road to writing more mystery thrillers rather than a consistent stream of horror novels. This was also the first book in a trilogy, all of which focused on private investigator Bill Hodges. This led to the Audience Network picking it up as a TV series. This was disappointing since few people watched this streaming service. However, the show itself was great, with Brendan Gleeson in the lead role, Harry Treadaway as the villain, Brady Hartsfield, and Justine Lupe as Holly Gibney. It was the terrifying Brady Hartsfield who brought the scares to the show as the sociopathic serial killer.
7) The Institute

What makes The Institute so scary is the fact that the horror happened to young kids. Playing in the same wheelhouse as Firestarter, this is about a government agency that abducts children with powers and uses them for its own nefarious purposes. Unlike Firestarter, this secret organization kills the kidsโ parents and remains a secretive group, similar to the plot of Stranger Things. Airing on MGM+, the show faced some backlash as a Stranger Things ripoff, but this is a little scarier since there arenโt terrifying creatures, and the actual monsters are the humans experimenting on these children.
6) The Outsider

The Outsider is similar to Mr. Mercedes, and it even features a character connecting the two shows in Holly Gibney (played here by Cynthia Erivo). The HBO series is another detective story, but this time King adds in the horror that many of his fans demand. Jason Bateman stars as a beloved small-town Little League coach accused of killing a child. However, when the true story surfaces, it is up to a detective named Ralph Anderson to stop the actual monster in the town once and for all. This is smart and intense, and one of Kingโs most terrifying detective stories.













