Revealing mistake: When Hamer goes to the gun store and obtains all of his weaponry, the gun counter guy and boy carry the weapons out to his vehicle. The weight of the weapons would be too much for one to carry all at the same time and the boy is supposedly carrying that large box of ammo, which would have contained over a thousand rounds, but he's carrying it like a box of feathers.
Revealing mistake: Towards the end, Jake Gyllenhaal is browsing the internet on a computer running Windows 7...despite the "no network" notification icon at the bottom right of the taskbar. (01:25:05)
Revealing mistake: When Wilma pulls the suitcase forward during the party scene, her fingers squeeze it, making deep indentations in it. (00:34:30)
Revealing mistake: When Les' mom is doing the laundry and "finds" the Test Failed notice, you can see that she actually had it in her hands the entire time. She transfers it from one hand into the other, then puts the hand with the paper into the pocket and pulls it right back out, then knocks it off onto the floor, and acts surprised.
Revealing mistake: When Tensy's body, which Page and Max wrapped in a sheet, falls over the hotel balcony and then hits the ground, you can tell it's a rubber dummy because of the way the uncovered right foot jiggles.
Revealing mistake: Towards the end of the movie, Hockney (Kevin Pollak) looks into a van and discovers it's full of cash. He is then shot from behind, and blood splatters all over the money. When his chest explodes, you can see the plastic of the bag the blood was in. (01:18:10)
Revealing mistake: When Julian uses a credit card to open the sliding glass door at his parents' home it's obvious that there is no latch or lock where he inserted the card when the door opens.
Revealing mistake: While Gracie chases "Fake Dolly," as Dolly runs past the Asian couple her supposed spike heeled shoes have a filled in flat base between the fake spike heel and sole, obviously making it easier to run. When Gracie pins her to the ground, Dolly wears real spike heeled shoes. (00:48:10)
Revealing mistake: When the farmer is going to shoot the sign the bank put up, you can very well see the mark where the hole is going to appear.
Revealing mistake: During the scene in Clouseau's hotel room at night, there is a light outside which shines on the net curtains to simulate moonlight. This light is off when the room lights are on, and is turned on when the room lights are turned off. At one point, when Inspector Clouseau is going into the bathroom after giving the sleeping pill to his wife, the fake moonlight suddenly turns on for no reason.
Revealing mistake: When Tisean has just died and Stoney is getting out the car, Tisean is still breathing.
Revealing mistake: While fighting Clouseau, Cato sticks a wooden pole through the screen of a television. The screen is made of paper. (00:17:30)
Revealing mistake: During the riot at Freedomtown, the camera pans over to Rebenga exiting the telephone booth. As soon as he leaves the phone falls down inside the booth, but there are no wires attached to the back of the phone. (00:11:25)
Revealing mistake: In the scene when Rusty hits Chip with the lamp near the end of the movie, you can see the lamp miss his face.
Revealing mistake: In the car chase scene where the cop is after Roland, you can see that there is no key in the ignition of the cop's car.
Revealing mistake: During the catamaran sailing scene, the boat jibes and Brosnan leaps across the trampoline and starts grinding on an empty winch, with no line in it. (00:37:40)
Revealing mistake: When the Sergeant has the shotguns in the backpack on his back, and you see a close up of his face, you can see that the shotguns do not have triggers. On plastic prop rifles, the trigger is usually molded into the trigger guard in the pulled back position, and you can see this on these prop shotguns.
Revealing mistake: When Robo gets his arm chopped off by Otomo, he stands up and in Robovision, you see that he needs power, but you cannot see Otomo who is supposedly right in front of him.
Revealing mistake: When Danny falls down from the ceiling, watch closely and you can see the security wire attached to his leg. (00:34:40)
Revealing mistake: When Green Willie's medallion deflects the bullet coming out of the shotgun, the second shot kills him, but there is no bullet hole.