When Smokey goes back to his house the second time to get to the bathroom, he grabs the doorknob to check if it's locked and you hear the sound of a doorknob turning, but it doesn't match his hand movement.
When Deebo rides up on his bike and both Smokey and Craig are taking off and hiding their things, Smokey is sitting to the left of Craig. When they flash to Deebo and then flash back to them, Smokey is now sitting to the right of Craig.
In the morning scene when the old ladies come to the house, when the camera is showing their faces, if you look beyond them, you can see what looks to be a large highway with grass on the other side, across from Craig's house. In all other shots during the movie, Craig's house is surrounded by other houses.
When Deebo is coming on his bike to Craig's house the first time, Craig takes off his watch while Smokey takes off his pager and chain. When Deebo asks, "What you got, Craig?" Craig says, "I'm broke as a joke," while he puts his hands up and the gold watch is on his wrist.
When Big Worm calls Smokey to the ice cream truck you see Smokey pushing two kids out of the way to get to the truck but when the camera angle changes you now see Smokey pushing more kids before he gets to the truck.
When Craig runs in his room to get his gun, Craig's dad comes through the door... when the camera moves to Craig, you can see his Dad's shadow on the door through the mirror. But when his Dad moves it's still there.
When Mr. Parker finds the preacher with his wife, the preacher runs up to his car, takes off his hat, throws it into the car, and then jumps into the car to drive away. The camera angle changes to a rear view and you now see the preacher driving away with his hat on.
On Smokey's car at the corner store, you see the license plate "Fck It". However, when Smokey and Craig are chasing Chris down the street, they run by Smokey's car and it doesn't have a front license plate.
When Mr. Parker is shown throwing his wife's clothing on the lawn, you see him pick up a yellow dress and raise it in the air to throw it down, when the camera cuts you see a different garment being thrown down.
When Craig's dad is telling him that he has a choice between using a gun or his hands for protection, Craig raises his hands to just below his chin. The camera angle changes twice and you see his hands raised above his chin and then back below his chin.
Near the start, when Craig, Dana and Mrs Jones are round the table, when Dana is sorting her stuff out on the table, keep an eye on the bottom left corner of the screen on the floor. In the hallway there is a shadow. This is definitely not Dana's shadow because the shadow does not match her movements.
When Craig and Smokey finally catch Lil Chris, something flies on the ground on the right side of the screen. It is never recovered, so if this is Smokey's pager, he should not be able to receive Big Worm's page.
When the hit-men are chasing Craig and Smokey, Craig throws his gun up to Smokey, who is on the roof of somebody's garage, and you see Smokey catch the gun that was thrown, then bend down to his right and swap that gun for another one that was already on the roof which is the one that shows a flash when fired.