Revealing mistake: During Quidditch tryouts, when Ron blocks the Quaffle with his head in the closeup, Ron's body disappears at the bottom of the screen below the digital editing line. (Only visible on fullscreen DVD).
Factual error: In one scene, focused on a period wood-staked pickup truck parked on the street, you can see clearly a modern Jeep Grand Cherokee parked on the other side of the street.
Visible crew/equipment: When the guy on the roof stands and takes aim at the window in preparation for Brian, the film crew are reflected in a window behind him. (00:13:00)
Continuity mistake: When Mike's talking to his son in the school cafeteria (just before his ridiculing of Stan, the bully) keep an eye on his burger - it's sometimes in his hand, sometimes not, and changes position in the box and tray as well. (00:36:30)
Continuity mistake: During the prison fight scene, Silk Spectre's stiletto boot heels are alternatively flat-soled from shot to shot, for the stunt woman's benefit.
Continuity mistake: After Paul tells Meryl that he was hesitant about adoption during their jogging, Meryl returns home. While jogging, she was wearing very tight grey pants. At the barn, her pants are a lot looser.
Continuity mistake: In the scene on top of the drill, Kirk falls off the edge. When Sulu helps him up, he's holding onto the platform with his right hand and being helped up by his left, but in one shot he's holding on with his left hand, and being lifted up by his right. (00:57:25)
Continuity mistake: When Henry is telling Claire about his vasectomy, the paper mold on the table in front of her is right-side-up in one shot, then upside down, and then back to right-side-up.
Continuity mistake: When the kid holds the bible out for Esther in the hallway, in one shot the kid is holding it with one hand, then with 2 when Esther grabs it. (00:32:50)
Continuity mistake: At the very beginning, when Quaid has finished showering and is picking his phone, wallet, badge, keys, etc, there is a shot of his hand as it is picking up his cellphone. Cut to a wide shot of him and the objects have moved. For example, the coins have become a close cluster, his pack of cigarettes is no longer on the newspaper, and his badge has switched places with the lighter. (00:02:45)
Character mistake: While examining "Diagramma della Verita" in the Vatican archives, Langdon is careful to use a cotton glove and a pair of tongs to turn the pages. But when he returns later to search the Bernini texts for clues about the "fire" church, he turns the book pages with his bare hands. (00:36:30 - 01:04:55)
Continuity mistake: In the very beginning, when Owen's friend is talking to the man in the black Audi, the parked car's steering wheel changes position.
Continuity mistake: When Jackson and the kids are at the dried up lake in Yellowstone park, they walk past the carcass of an elk. We change to the long shot, and when the army arrives, the carcass has gone. (00:21:35 - 00:22:05)
Continuity mistake: When John is decoding the numbers for the first time, he uses a whiteboard. On the whiteboard are, presumably, spelling words for Caleb. He erases some of these to make room for the numbers. In the various shots of this scene, words disappear and reappear continuously, often written slightly different.
Visible crew/equipment: At the beginning of the film, when Idris Elba walks around the back of the SUV, you can see a reflection of the boom mike in the rear glass. (00:00:50)
Continuity mistake: The private who was being injected with the blood substitute explodes, splattering red goo all over the glass panel. The amount increases in shots from outside the room, covering the entire panel. (00:14:45)
Continuity mistake: When Bad calls his son, the phone he's holding moves from his right hand to his left between shots. (01:13:10)
Continuity mistake: When the people in the car reach a blocking car in the middle of the road, the people decide to race away off-road because the girl is infected. While they're moving to the side of the road, the father of the little kid hits and breaks the left-forward window. A shot later when the car is smoking, the glass is fixed.
Continuity mistake: Mulan tricks her father into taking his medicine, and everyone has a laugh at him. Between shots she is pouring from the teapot first with the right, then the left, and one of the geezers sitting by is cackling with a different posture and hands switched as well. (00:05:10)
Factual error: In the shot of the front of the National Gallery as the disc jockeys walk down the stairs towards the camera, modern-day surveillance cameras are visible on curved poles to the left and right of the main frontage. (00:52:30)