Goof: At the end of the episode, the group open the vortex on top of a moving train. One problem: it's behind the train--therefore it should be getting farther away. However, the vortex almost seems to follow the train, because it stays right behind the it.
Quinn: Be careful. Showers in places like this tend to attract guys with really big knives and really bad wigs.
A reference to the 1960 horror movie Psycho, in which Anthony Perkins played hotelier Norman Bates, who would dress up as his mother and kill guests at his motel.