In the last scene at the cemetery, the amount of champagne in George's glass goes up and down as the camera angle changes.
In the scene where George reflects about what she had said to Delores Herbig about the universe taking care of her and her cat. When the camera zooms out a Game Boy Advance is seen next to George's foot and then in the next shot, as the nurse comes out, it's gone.
In the last scene at the cemetery, the mischievous Gravelings knock over a statue from its pedestal next to George's headstone. As the show ends and the camera angle changes by zooming out from above, the statue is upright.