8.Later on in It, when Pennywise shows his Deadlights, you can hear a boy's soul screaming for help.
9.Screamwas directed by Wes Craven, who briefly appears in the film as a janitor dressed like Freddy Krueger, another character he created.
10.In 28 Days Later the infected don't typically speak, but one boy can be heard saying, "I hate you" before Jim kills him.
11.In The Cabin in the Woods, amongst the many monsters in the elevator scene, you can spot two zombies from the Left 4 Dead video game franchise.
12.In The Shining, Jack can be seen wearing a shirt that says "Stovington" — the name of the school Jack taught at in the novel.
13.In Signs, the alien caught on camera is purposely posed like the famous Bigfoot picture.
14.In Halloween H20, Janet Leigh plays Norma. Leigh also played Marion in Psycho. In one Halloween H20 scene, a slowed down version of the classic Psycho music plays as Norma walks to her car, which is the same car she drove in Psycho.
15.In Donnie Darko, a pumpkin carving seen in the kitchen looks like Frank's bunny mask.
16.In Get Out, Rose hangs up the photos of her ex-boyfriends that Chris discovered earlier.
17.In A Quiet Place, the aisles in the pharmacy are empty except for the chips section, because they make too much noise.
18.In I Am Legend, a poster for a Batman vs. Superman movie can be seen — a prediction that came true nine years later in 2016's Batman v Superman: Dawn of Justice.
19.In Final Destination, after he's nearly killed by a train, Carter can be spotted having peed his pants.