Continuity: When the killer (Jigsaw I suppose) is releasing Tom's children from being hung by their hands, right when they get down the rope holding them up disappears.

Continuity: When Jigsaw comes in on his tricycle for the first time, his handle bars are straight, but when Zoltar enters, his handlebars are curved.

Continuity: In class when the agent tells the President the aliens are attacking and the President responds "You mean, right now all of these children's parents could be dead?", there are some items on the table next to the President. When it cuts the items has changed position.

Continuity: When Cindy and Brenda are in the car approaching "The Village", Cindy pours coffee on her head to stay awake. In the next shot of her, the coffee is gone, her head is dry.

Continuity: When CJ is cooking beans, it fades out showing the tent, and in the background you can see a brown horse. When it cuts to Mahalik opening the tent it is a white horse instead.

Continuity: When Shaq throws the toilet at Dr. Phil, the toilet leaves a great white mark on the pole behind Dr. Phil. In the following shots the mark is gone.

Continuity: When Shaq picks up the big piece of concrete he holds it in different ways between shots.

Continuity: When Tom is at the bar discussing with Mahalik and CJ, the levels of CJ's beer glass differ between the shots.

Continuity: When it cuts to class when the kid is telling the story about the duck, we see the President sitting beside a table. On the table we can see his glasses and a plate. When it cuts a book has suddenly appeared.

Revealing: When Cindy hugs Tom (Charlie Sheen) and the razor blade gets stuck to his chest, the patch the blade is attached to under his shirt is visible.

Revealing: When Tom leaves the crane and his boss follows him, as they walk you can see the tracks from the trolley the camera is on on the ground.

Factual error: Cindy and Brenda watches the news camera footage of Detroit before and after the tripod attack. But the city shown is actually San Diego.

Continuity: In the shots when the Saw Villain is speaking to Shaq and Dr.Phil, we can see the two toilets right next to Shaq. Throughout the entire speach the toilet on the left has its lid down and the one on the right has its lid up. When Shaq shouts "Oh my God, how are we gonna get outta here", the toilet on the left has its lid up, and the one on the right has its lid down.

Continuity: As Tom (Sheen) walks out on the porch you can see a vase with some sticks in it in the background. The sticks' positions differ between the shots.

Continuity: When Tom is holding around the wrong children (the Chinese ones), his hands are on their shoulders. When it cuts his hands has moved down on their arms.

Continuity: When Tom (Charlie Sheen) is about to pick up the picture, you can see that the person on the right on the picture is on the far right of the frame. When it cuts to a close-up of the picture the person on the right has moved to the middle of the picture. In fact it's basically a different picture.

Continuity: After Shaq bangs his head twice he takes a step forward placing his foot beside some pieces of concrete. When it cuts, the concrete is gone.

Continuity: During the Village parody scene with the man with the knife in his heart, Cindy leans over and talks to him and winds up pushing the knife completely into his chest by leaning on him so that no metal part is visible. In the next shot, the knife is back as in its original position.

Continuity: When Cindy hugs Tom (Sheen), her right hand is placed behind Tom's shoulder. When it cuts her arm is on his shoulder.

Continuity: When Shaq throws the piece of concrete hitting the steel pipe, you can see the the pipe has a perfect shape on its edge. When it hits Dr. Phil on his head the edge of the pipe is broken.