Continuity: In the scene where the spiders are starting to attack the city, it shows the guy in the barber shop closing up. He shuts the blinds then his friend gets attacked by the spiders, then he goes back out in front and the blinds are still open.

Continuity: When the townsman flees the Diner and gets into his car to flee, the front car window is wound up. The next shot of his face clearly shows the window wound down yet his hands have been busy starting the car all the time.

Continuity: In the scene where the townspeople are fleeing to the mall there is a shot of the Deputy driving the car. You can see the top left hand corner of the windshield is covered in green goo, but when you see them parking the windscreen is completely clean.

Other: Every person in the movie has exactly the same make and model of computer with exactly the same desktop configuration on it. The number, type and order of icons is the same, as is the plain blue background.