Continuity mistake: A woman tells Bill that her blind neighbor, Judy, is still in the burning building. In the following shot, when Tanner approaches the door there's a pane of glass beside the door knob and there's a backplate behind the knob, but in the next closeup both the pane of glass and the backplate have vanished. (00:03:45)
Continuity mistake: While Ralph is searching for the missing boy and finds Johnny's baseball cap, Ralph's watch vanishes and reappears, then it happens again when he finds the boy. (00:38:20)