Revealing mistake: When the train plummets into the basement, the windows never seem to smash nor crack, nor does the paint on the train ever seem to scratch the slightest bit. (01:34:15)
Revealing mistake: When Beast-Leonard is killed by having the Seal ripped from his chest, when he disintegrates, the shot goes completely out of focus as he begins to "burn up." All the more puzzling because the effect is computer-generated and only the background is real footage. Perhaps the background shot went out of focus and they had to purposely blur the effect to match? Either way, extremely sloppy work.
Revealing mistake: When Katniss is blown back from the explosion, her stunt person is visible. This can be proven because the stuntperson's skin tone is different and her hair is not in a braid. It is in a ponytail. Wires can also be seen pulling her to give the illusion that she was blown back from the explosion. (01:33:00)
Revealing mistake: When Blake and Gordon watch Bane on TV during Gotham's siege, a grey (sometimes white) square is reflected on Gordon's glasses. It's either a lighting screen or the proof that the TV is turned off and the image on it is added on post-production.
Revealing mistake: When Arthur goes into the marsh to bring Nathaniel's corpse up, each time he emerges to get air, you can see the lack of mud around his lips from an air mask.
Revealing mistake: When young Viktor does his first two kills, he is using a revolver. I think a 38 Special by the looks of it. As he shoots, there is no kick to the gun. (00:23:25)
Revealing mistake: When Alice shoots the zombie in the blue dress, we get a frontal shot of the gun. Pay close attention to her trigger finger: it doesn't move at all, while the gun does fire.
Revealing mistake: When Cross and Kane are investigating the crime scene at the Asian woman's house, there are numerous candles burning in the woman's bedroom. The woman lit these candles at night, and Cross and Kane are conducting the investigation in daylight, which means all of the candles should have been burning for numerous hours. However, all of the candles are brand new and from the shape of them you can see they haven't been burning for more than a few minutes at most.
Revealing mistake: When the cops raid Hoyt's apartment building, Billy the dog is barking at them. But when multiple cops reach his level, Billy whimpers and takes off up the stairs scared. However, you can see the dog's tail is still up and partly wagging. A scared dog's tail would be tucked between its legs, even when climbing stairs. (00:50:35)
Revealing mistake: When the three characters are playing with legos and Matt is told to start playing music from his ipod, you can see that the sound is off and the ipod is paused when the music is apparently playing.
Revealing mistake: IChat is used to make a second call to Professor Jonas, only this time we can see Professor Jonas is online under "Bonjour". Without too much detail this would mean that Professor Jonas is in the same house (on the same LAN) as Ellison. (01:31:55)
Revealing mistake: In the scene after Will leaves the girl at the train station, the scene cuts to a downtown district. Many of the extras used for that scene are seen watching the scene being filmed. (00:57:00)
Revealing mistake: The passenger of a taxi opens the taxi door, which an officer on the bike then collides with. If you look at the passenger, he never takes a look behind him to see the officer, but still quickly moves back into the taxi as if he knew that the officer was about to hit the taxi door. (00:17:55)
Revealing mistake: In the opening scene, Johnny and Hickey sit in the front seat of a car. Views out the side windows blur, there is a gray background behind Johnny instead of the rear window, and when Hickey holds the cross toward the windshield, the "outside" is all grayish-white. At one point, there is light on Johnny's right forehead, cutting diagonally downward (too linear to be the sun), and another time, there is light behind Hickey on his headrest. (00:00:31 - 00:03:30)
Revealing mistake: When the truck starts rolling back you can see tyre tracks on the grass from previous takes. (00:46:35)
Revealing mistake: When Luke is signing the receipt for his new clothes, the amount on the CC receipt is less than $10.00. (00:40:16)
Revealing mistake: As Ewan enters through the door with the word 'paint' scratched into it, he is hit, but reacts about half a second too late.
Revealing mistake: When Niles York first appears on camera beside the plane bearing his name, most won't notice, but you can see the pilot's hatch open, revealing that it is not a passenger jet, but a fighter plane. You can also see the air intakes on the wing, further evidence that this is not a passenger or private jet. (00:02:11 - 00:22:18)
Revealing mistake: The SEALs assaulting Bin Laden's compound are using infrared lasers on their rifles, which can only be seen under night vision. The lasers being AN/PEQ-15s which the SEALs have attached to the top of their rifles. However, most if not all of the rifles have the laser beam coming from the bottom left of the hand guard, not from the top mounted laser unit. It's possible the/PEQ-15s were faux units and different lasers mounted to the rifles were used to give the effect.
Revealing mistake: In the lead up to the final scene, prior to the cranes being in alignment, when Spider-Man is jumping between buildings, he falls down to a fire escape, and you can see that the bars or rails on the railing he lands next to are not made out of metal as they easily move as the actor or stuntperson moves next to them. (01:48:42)