Continuity mistake: The position of the sword on the table varies. The doctor originally set it roughly parallel to the edge of the table, but sometimes it was at an angle. Also, the ribbon where the blade meets the handle usually has a prop on it to keep the handle raised. (00:19:34 - 00:22:06)
Continuity mistake: Nora's car crashed through the garage door or wall, leaving a trapezoid-like shape with curved sides. The few flashes of the same during the scene were enough to perceive the differences in the shape of the hole she caused. At one point, it was almost square. A little later, the hole in the door/wall was about twice as wide, resembling a rectangle but with a dome on the right side. (00:25:35 - 00:26:02)