Scariest movie you've ever seen?

[mZuzek]

Killy_Vorkosigan said:
Alien : the 8th Passenger

It's called just Alien.

I'm not sure what the "scariest" movie I've ever seen, there's been a few disturbing ones for sure, but I don't really watch movies for this. The best scary movie I've seen though, is for sure Alien.