"Ladies and gentlemen - for the next hour and fifteen minutes, you will be shown things so terrifying that the management of this theatre is deeply concerned for your welfare. Therefore, we request that each of you assume the responsibility of taking care of your neighbor. If anyone near you becomes uncontrollably frightened, will you please notify the management so that medical attention can be rushed to their aid? Please set your watches. It is 6:45 in the evening in a town called Thornton..."