Transcript for Horror film 'It' crushes box office records
The biggest September opening weekend ever. The biggest horror movie opening weekend of all time. The Stephen king adaptation about doubled its projected hold. Why? Maybe it's because it's so scary. Anyone? I think they're scary because they're familiar. There's this thing called the uncanny valley. This idea that things that look familiar but are just slightly off. They're offputting. The 1990 mini series did for clowns what jaws did for sharks. Made worse by the likes of Bart's creepy clown bed. The dark knight. American horror story. The weird global rash of clown sightings last week. A bizarre psa. If you want to act like a clown, we have no problem treating you like one. Now this. Not everyone is loving it. The world clown association telling us, remember these are all fictional characters. Real clowns in no way come appear to the horrific images created by special effect make-up artists for Hollywood purposes. Underneath scary make-up, a nice-looking Swedish actor. I never really got into the idea of being scared. I don't like it. It scares me. Seeing the man behind the make-up doesn't make it any less awful. For "Nightline," Los Angeles.
This transcript has been automatically generated and may not be 100% accurate.