The first chapter opens with two teasers (or trailers) which are filmed by Will Navidson. One is called The Five and a Half Minute Hallway. Navidson records himself walking down the hallway of an old house (The House of Leaves) and climbs out of a window, only to return through another window. He opens many doors and climbs through each window, but when he comes to a particular door, voices are heard from speculators behind him. They tell him not to go into that particular door. He reaches his hand in and says it's freezing inside. (read more)