Continuity mistake: When Constantine manages to get the mirror through the window he falls on his back. To the right on the screen a chair lies on the floor beside a dresser. A few shots later when it cuts to Constantine getting up we can see the chair has changed position as its back now covers the opening of the dresser. (00:08:15)
Other mistake: It was established in the first Mask that the mask does not work in the daytime, but it works during the day in this movie.
Factual error: When Debra Messing and Dermot Mulroney 1st arrive in London Debra goes to a pub to change her outfit, the shot showing the outside of the pub you can see an American style traffic lights eg walk, don't walk which are nothing like the English green man red man traffic lights.
Visible crew/equipment: When the woman is performing an autopsy on one of the dead "creatures" the lights supposedly flicker and turn off. There is a hand visible flicking the switches on the lamp to the right side of the screen. (00:45:40)
Other mistake: It's been stated that Danny doesn't know how to read. This is evidenced by the fact that Walter has to read every card that Danny gets. When Danny first finds the game, he's able to read and even pronounce Zathura accurately even though he is illiterate.
Continuity mistake: In the final dinner meeting of the Merchants of Death (MOD Squad),the gun lobbyist gets a piece of pie with cheese on it, takes a small bite; then the alcohol lobbyist attacks it with her fork for a bite, pulling all the cheese off and toppling the little American flag in it. In the next shot of Bobby eating, and a closeup of the dessert, all the cheese is back on it and the flag is upright again.
Revealing mistake: Towards the ending in the strip club, Locus is getting arrested. When it shows his hands being cuffed, it's not his hands but those of Charles in an earlier scene. You can tell because the person is wearing long red sleeves and a Rolex.
Visible crew/equipment: In the scene where the piano collapses, after Madea's chainsaw rampage, you can see the wire that pulls the piano apart.
Factual error: There would not be so many people standing around on the flight deck without some type of ear and eye protection and a float coat.
Continuity mistake: As Rachel is preparing the peanut butter and jelly sandwiches, she places the knife on top of the open PB jar in a closeup, but in the very next shot the knife has disappeared, then reappears again. (01:23:15)
Continuity mistake: As V attacks all of Creedy's men with his knives, in one shot he cuts one man's neck, and blood sprays onto the man's face, but in the next shot as the man falls, his face is clean.
Continuity mistake: In the boat chase scene with Dirk, Al and Rudi, the glass at the front of the boat gets shot out and then appears intact in the next scene, but is shot into pieces seconds later.
Continuity mistake: Sithandra grabs a branch as she runs through the garden, which changes in appearance between shots.
Other mistake: When Sarah is at her Aunt Mitzi's house looking at the yearbook picture of Beau Burroughs, Beau's name appears on the top of the list, yet his picture is farthest to the right in a row of pictures. Yearbooks list names with the top name being on the left, and the last name on the right.
Continuity mistake: In the fight between Barkis and Victor in the church, Victor slashes at Barkis with the fork and leaves 3 very noticable tears in Barkis' jacket. These tears aren't seen in any of the subsequent shots. (01:09:15)
Continuity mistake: In the scene where Chicken Little lends the alien baby, Kirby, his handkerchief, after Kirby blows his nose, it sticks to Chicken Little's hand. Chicken Little then wipes the hanky off his hand on to the grass. In the very next shot, the hanky has disappeared, and never shows up again.
Visible crew/equipment: As Bo and Luke are surrounded by cops, Luke says "I never get tired of hearing him say that." As the camera pans around the front of the General Lee the camera is visible reflected on the front windshield.
Continuity mistake: When Jimmy is getting ready to propose, in the shot where he pets his dog, you can see in the first shot from in front he is not moving, yet in the next shot he is walking and leaning towards the dog.
Revealing mistake: When Tom joins Sarah and Eliot for the kneeboarding, after Sarah apologizes for Tom's interrogation Eliot says, "It's okay, my dad would've done the same thing." Two shots later, as Tom grunts in the water, this shot is flipped - the driver is now on the left and the kids switched sides.
Factual error: When Wood's character and the gang go to the match which is supposed to be between West Ham United and Birmingham City the teams we actually see in the football action shots are West Ham United and Gillingham.