Rachel: A fucking 'Facebook' killer... You're kidding me right?
Chloe: I guess now it would be Twitter, that'd make more sense.
Sheriff Dewey Riley: One generation's tragedy is the next one's joke.
Sidney Prescott: Don't fuck with the original!
Trevor Sheldon: Why is Sidney Prescott staying with you? I mean, that's like being on Top Chef with Jeffrey Dahmer.
The Voice: I'm gonna slit your eyelids in half so that you can't blink when I stab you in the face.
The Voice: I never said I was in your closet.
The Voice: This isn't a comedy, it's a horror film. People live, people die and you'd better start running.
Charlie: You're a genre nut, Kirby. What's your favorite scary movie?
Kirby: Bambi.
Jill Roberts: You just won't die, will you? Who are you? Michael fucking Myers?
Kirby Reed: You do know there are cops all over this house?
The Voice: I think I have just enough time to slice someone open!
Deputy Perkins: Fuck Bruce Willis.
Jill Roberts: What are you doing here? There are cops right in front!
Trevor Sheldon: No match for ninja, baby!
Olivia Morris: Well, it's time for someone new to die.
Chloe: There's something really scary about a guy with a knife who just... Snaps.
Gale Weathers-Riley: Dewey, what's going on?
Sheriff Dewey Riley: That is not public information.
Gale Weathers-Riley: It's all over the Internet!
Sheriff Dewey Riley: It is?
The Voice: Welcome home, Sidney. You're a survivor, aren't you, Sidney? What good is it to be a survivor when everyone close to you is dead? You can't save them. All you can do... Is watch.
Answer: Remember that Jill and Charlie were the killers and were working together. Therefore, Jill probably told Charlie the film they were planning on watching. Meaning when he called Kirby he knew what she and Jill were watching, which makes the killer more sinister and omnipresent.