Continuity mistake: When Jon Favreau talks on the phone for the first time, there is an answering machine next to it. Then when we see the phone system again the answering machine is gone. Then Jon walks into the next room and when he walks back the whole phone system is gone. (00:04:30)
Continuity mistake: In the scene where Avner shoots the first Palestinian, the dead man falls forward onto his groceries, but the next time the body is seen, he is lying on his back.
Continuity mistake: At the big dinner, Clarisse tries to show the Japanese man some pictures and he shakes his head as he eats his green soup. A minute later, they serve the green soup.
Continuity mistake: Judah Ben-Hur removes the large ring he had received from Arrius and gives it to Pontius Pilate to return to Arrius. Following this, he returns to the leper colony with Esther, and he reunites with Miriam. When Judah is told Tirzah is dying, as Judah searches the cave for Tirzah, he is once again wearing the large ring he had received from Arrius, on his right index finger. Then, that ring vanishes when he finds Tirzah.
Continuity mistake: When Brad Hamilton is pouring the coffee in the machine at the Mi-T-Mart, there is a clock on the wall next to the battery display, but when the guy comes in to rob the place, the clock is gone and there is a Hostess Fruit Pie poster there now. (01:23:00)
Continuity mistake: At the beginning, Eastwood dismounts from his horse to rescue the calf lying in the river. His horse is left standing in the river with the water up to his knees. When Eastwood places the calf on dry land, his horse is standing nearby. The horse's legs are dry.
Continuity mistake: In most of the scenes it is quite evident that Jessica has only a thin green dress on; when she meets Box she takes it off and she is nude. Later when she is outside of the dome and walking through the woods, she ducks to avoid some brush and she now has underwear on.
Continuity mistake: When the American torpedo bomber attacks the first carrier, it gets shot up and flies past the carrier, crashing into the sea, at which point it becomes a single seat fighter.
Continuity mistake: In the scene where Stanley and Zero are digging to find the chest toward the end of the movie, the background behind them is just a dirt wall. In a following shot upon discovering the box, there are stairs that lead to the hole. In the next shot, these stairs are gone again and it's just the hole again. (01:38:05)
Continuity mistake: During the duel between Miraz and Peter, when they call for a time out, Miraz is shown in the background walking back to his generals and stepping onto a raised area. A few seconds later, over Peter's shoulder, he again walks to the raised area and steps up (there's only one step). (01:44:55)
Continuity mistake: In an early part of the movie, Francis Tierney, Sr. is standing in front of a paper towel dispenser in a restroom with his son, Ray Tierney. The dispenser, which is visible over Francis Tierney's right shoulder, is at first full of paper towels, then empty, then full again. The paper towels are at first sticking out of the bottom of the dispenser, then they vanish.
Continuity mistake: When Teresa is yelling and hitting Jordan because he cheated on her with the blonde girl in the limo, the car disappears and reappears between shots. (01:00:35)
Continuity mistake: While Katie Couric is interviewing Sully, the first shot shows her with a portfolio in her hand and she is not wearing a ring on her left hand. The camera goes to Sully, then back to Katie and suddenly there is a ring on her left hand.
Continuity mistake: When a bunch of guys are out back passing around a bottle of liquor, the amount of alcohol in the bottle increases at one point.
Continuity mistake: While Ajax and Hector fight, Hector head butts Ajax, and three shots later in a wide shot, half of the hammer end of his unusual spear actually breaks and falls to the ground behind him to his left. But lo and behold, in the next close-up the bloody hammer end (bloodier than the previous shot) of his spear is whole and intact. (01:20:00)
Continuity mistake: When the Nazi SS guard puts a pistol to Rutger Hauer's head, it's a Luger, but when the guard turns around, he's holding a Walther P38.
Continuity mistake: After Lester throws the pillow, it bounces off the couch and lands in the chair. In the next shot it's gone, but reappears in the following shot. (01:14:10)
Continuity mistake: In a major fight scene two soldiers on opposite sides are jumping and spinning and tapping each other on the head with their swords.
Continuity mistake: The boys go out in their boat to water ski, only to find that Jones has built a huge dock that blocks their way. No matter. The boat does not contain skis nor a tow-rope anyway....
Continuity mistake: In his cameo in this film, Tim Burton is holding something in his left hand that looks like a remote of some sort when we first see him in the background. Then the shot changes to Debbie and back to Tim, but this time he doesn't have it. Then the shot changes to Debbie again and then back to Tim, and he reaches to his far right and picks it up.