When Katie wakes up and sleep walks outside, the alarm does not go off. This is weird because they set the alarm and say that it will go off if any doors or windows are opened. "Nothing comes in and nothing goes out".

When Katie goes downstairs in the scene at the end, the alarm light (green) is off. When she comes up with the blood on her shirt the alarm light is on.

When Shelton is eating his asparagus in jail and takes a bit off the top, a few seconds later after switching to another angle, he takes another bite and it still has the top of the asparagus on.

When Clyde is first arrested, he is taken to a prison and put in with the general prison population. People are taken to jail before going to prison. Only after you're convicted do you go to prison. In fact, he wasn't even charged with a crime when taken there.

During the "nude" scene on the beach, when Shane is asked to drop his drawers, he wears shorts initially, but then in a subsequent shot right before the "reveal", he is wearing pants.

The first morning, when Carol is introducing the creatures to Max, look at Carol's nose and its diagonal scratches. The scene is mirrored from time to time.

When Max is going to get K.W. just prior to the Dirt Clod War, his hood is down. When he returns to Carol and Douglas, (just prior to being hit with a dirt clod) his hood is up.

When Jerry has put the dead doctor in the car seat, the doctor has his hands down. But when Jerry puts the car over the cliff, the doctor has his hands on the steering wheel.

When Jerry tells Stephanie about Dr. Bondurant's death, Stephanie hugs Jerry while putting her arm over Jerry's shoulder. When it cuts, her arm is gone.