Continuity mistake: After Kathleen (Meg Ryan) and Joe (Tom Hanks) talked about what it would have been like if they hadn't been enemies in the book business, Kathleen says she has to go and heads off to her apartment. During this time, the camera switches back and forth between Joe and Kathleen. Kathleen's right sweater sleeve cuff is by her wrist in one shot and rolled up by her elbow in the next. In the next shot it goes back down again. (01:47:20)
Revealing mistake: Just after they dump the tacks out of the window, the Russians' car flies up into the air in a really quite impressive car crash. Just before it flips over though, you can see the huge ramp put in front of it. (00:32:20)
Character mistake: At the radio store a sign shown to Jack when he asks if they take personal checks is misspelled. It says "personnal." (00:58:55)
Continuity mistake: When Ash says, "Wow!" the bowl of fruit changes as well as a cup changing from being on right of it to the left of it. (00:40:25)
Continuity mistake: In the marching band scene they all have long shadows, and then suddenly they have no shadows at all.
Visible crew/equipment: When Christy and Alan take off on the scooter, we see a few instances of Kirsten Dunst and Gregory Smith's stunt doubles. (01:15:43)
Continuity mistake: When Blade gets captured and stabbed in the room where the "Vampire Bible" is, he is not wearing an ear piece. In the next shot, he is. (00:51:45)
Revealing mistake: When there is a car crash, and a motorcyclist flies over one of the cars, as he rolls towards the windshield we see the whole windshield intact. Then when the motorcyclist rolls and hits the windshield, large cracks are clearly visible, way before the man hits the glass. (01:00:30)
Revealing mistake: When Puffy the dog bites Ted and pulls him along, Ted digs his fingernails into the floor, they scrape along, making marks. If you look very closely you can see faint pre-made marks made in the floor, where he drags his nails along. (01:28:45)
Continuity mistake: Annie Girardot and Murray Head are playing with the cake dough and playfully hit and splatter each other. Between the various takes, Annie Girardot gets some cleaning done, because she had hair and coat all messy midway through, but is much cleaner when that part of the scene is a wrap and the story moves on; the hair (she had an egg cracked on her head) is fine and the coat that had streaks of cream on the lapel is almost spotless. (00:25:20)
Revealing mistake: When Hunt is bringing the eagle egg to Shaquinna, he trips over a log and the egg goes spinning through the air, during which time you can see the wire that the egg is attached to. (00:59:15)
Deliberate mistake: While Laurence is driving to the park trying to find Martha there are closeups of his car en route, and one of the closeups of the front left side of his car is a flipped shot, note the backwards "Saab" and the surface damage which is actually at the right side of his car. (00:56:00)
Continuity mistake: When the guy is leaving the observatory, the door is left almost fully open while getting in his truck. When we see him drive off the door is now half closed despite us seeing the door come to a stop in the previous shot. (00:05:33)
Continuity mistake: When Casey and Delilah watch Nurse Harper get infected by Coach Willis from inside a closet, the closet's shutter windows switch from closed to open between shots.
Continuity mistake: When Gonzo is trying to kill himself in the bathroom, there is a watch behind him that disappears and reappears.
Visible crew/equipment: When the Nihilists are ordering food at the restaurant, you can see the reflection of the camera and cameraman in the window behind them. Watch as the scene pans around and you can see the camera and the cameraman move as well. Could the person behind the camera be Roger Deakins? (01:34:20)
Continuity mistake: After Chris is dead, and his wife is writing in her diary, and she writes "I still exist" as she's writing it, exist is written "EXST", then when she looks to read what she wrote it reads "EXT". The writing's different too. (00:22:10)
Continuity mistake: When Alejandro and Diego fight in the cantina, Alejandro knocks over stalks of corn rolled up in a bundle into the doorway. In the next shot, the corn stalks are standing again. (00:35:30)
Continuity mistake: Velma adds books to the pile in front of her when she takes the telephone order. Looking down the pile, you don't see any trace of the random loose papers that appear when she hauls the whole lot to the desk with the TV on. (00:06:25)
Continuity mistake: The heels on Barbara's shoes appear and disappear throughout the movie.