- Designated Hero: Peter Graves. He CREATES the monsters, but never, at any point, apologizes for it. He acknowledges it, but treats it as if he forgot to feed a dog. Yeah, he does spend the remainder of the film trying to stop what he created, but it's too late for him.
- Special Effect Failure
- Grasshoppers crawling across a postcard of the Chicago skyline
- Every time someone drives down that Certain Stretch Of Road (the dead giveaway would be those same two cars that are perpetually going the opposite direction)