Revealing mistake: When Craig (Ice cube) is in the bathroom with his father on the toilet and the camera pans back, you can see the father still has his boxers pulled up while he is on the toilet.
Revealing mistake: When the hitmen 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. (01:17:21)
Revealing mistake: When we first meet Smokey, he climbs into Craig's window. If you notice, the curtain opens by itself. (00:11:07)
Revealing mistake: When Craig slams his bedroom door and says, "Y'all ain't never got no money.", the set wall visibly shakes.
Revealing mistake: During the ice cream truck scene where Smokey counts his money to Big Worm, a girl in a pink shirt can be seen looking at Smokey and into the camera.
Answer: "Today was a good day", or possibly "Hittin' Corners".