Continuity: When the deputy sheriff comes out of the house, her ink pen is sticking through the hole in her pocket flap but not in the pocket itself. After she turns around at the car, her ink pen is inside her pocket and not "flapping" loose as it was just a split second before.
Great sites
Mistakes
When Merrill delivers the final blow to the alien, you see it fall into a table and knock over a single glass of water from the alien's perspective. In the next shot, the top of the table is shown with three tipped glasses. See more...
Trivia
When Graham Hess is reading the UFO book with his children in the bedroom, on the nearby table next to the lamp is a figurine of a soldier from the American War Of Independence. It is wearing the exact uniform as worn by Mel Gibson (Graham) in his film "The Patriot" (2000). See more...
Signs (2002)
Directed by M. Night Shyamalan, starring Joaquin Phoenix, Mel Gibson, Rory Culkin (add more)
Signs mistakes
Continuity: When Graham goes into Ray's kitchen you see the vegetables scattered and the knife further on the other side of them. When Graham leans up for the knife, however, it is on the other side of the now grouped vegetables.
Continuity: When Merrill delivers the final blow to the alien, you see it fall into a table and knock over a single glass of water from the alien's perspective. In the next shot, the top of the table is shown with three tipped glasses.
Signs trivia
When the alien's hand comes out of the coal grate for Morgan, if you look closely you will see that the hand was already through the grate and the alien was using its colour changing abilities to hide. So if you look very closely you will that that the hand comes UP from the grate and not through it, and if you look VERY carefully you can see the outline of the hand even before Morgen says "What?"
Ray Reddy (the man who accidentally killed Graham's wife), is the writer/director/producer of the film, M. Night Shyamalan.
When Graham Hess is in the corn field and see an alien, the leg is not computer-generated. It's a latex leg mounted on a broom.