Visible crew/equipment: In the scene near the beginning of the film, when the 2 brothers are fixing to leave to join the army. After the mother gives them the flag, the shot changes to the 2 brothers. You can see the boom mic and the camera in the reflection of their shiny brass buckles.
Continuity mistake: In the shot where Hollywood Jack shoots his Mexican counterpart, the Mexican's blood get splattered on to the side of the refrigerator.When the shot changes to show Hollywood Jack drinking his beer, it shows no blood on the side of the refrigerator.
Factual error: At the beginning of the movie when all the guys are in the barber shop, a man is wearing a John Deere hat with the modern logo, not the one from 1976.
Continuity mistake: As Honey Daniels is introducing the dance benefit in the very last scene, the chain she's wearing jumps from outside her shirt/top to the inside and back a number of times between shots.
Continuity mistake: When Behrani puts the plastic bag on his head, to suffocate himself, we see shots of him breathing heavily. In one shot the bag has become very condensed with his breath, yet when we see him take his final breath, the bag is perfectly clear. (01:52:55 - 01:53:50)
Continuity mistake: When Bob puts Charlotte into her bed, he first lays her down with her skirt slightly pulled down so that her belly button is showing. In the next shot, the skirt is pulled up to meet the bottom of her shirt-barely any skin is visible. (00:52:15)
Visible crew/equipment: When Sean Penn is outside the motel with the gun, he fires three shots past Benicio Del Toro's head into the ground behind. When Benicio falls to the ground you can see an ear plug in his left ear. (01:49:05)
Factual error: The movie leaves the impression that Huntsville, Texas and Austin, Texas are just a short distance apart. In reality, they are at least three hours apart.
Other mistake: During the jury selection montage the judge says 'Enter Lydia Deets as a juror.' Moments later, her profile is shown on screen and the lawyers accept her and the judge says 'Enter Miss Deets as a juror.' she has been entered into the list twice.
Factual error: When young Ichi is hit in the face with the baseball, he doesn't react realistically. He simply falls back spitting blood, when in reality, he would have been knocked out and probably lost a number of teeth, and perhaps even broken a bone in his face.
Factual error: Many of the "western" products used in the film are in packaging from the present day, not from the time the film was set (1989-90). For example, Coca-Cola Light had a white label then, not the silver one in the film. Other examples are Jacobs Krönung coffee and Heinz ketchup, shown in recently redesigned packaging.
Continuity mistake: When Frances leaves her house she takes the blue vase. Only boxes of books were moved, the vase was seen on a desk at camp Divorce, however when the boxes of books arrived in Italy and she opened one, she took the vase out.
Other mistake: In the scene where Willard is in his bedroom closet, he is trying to block the hole that Ben has created. On a closet shelf there is a Christmas Decorations box. The exact same box can be seen on a shelf behind his boss in the office supply room. (01:01:55 - 01:09:30)
Continuity mistake: The burger thrown to the windshield moves to the right or center of the glass depending on the angle.
Continuity mistake: In the scene where all of the dogs are talking in the Garage Nelly goes under a tarp of some sort.In one shot she is going under the tarp the next she is out of the tarp.And then she is back under the tarp.
Continuity mistake: When Edward is walking through the forest and the trees grab him the key he is wearing falls off his neck, but in the next couple shots you can still see it hanging on his neck.
Factual error: Tony Gregory, the politician that Veronica meets, is seen wearing a suit and tie. Tony Gregory the TD, made a point of never wearing a tie.
Continuity mistake: When Hub and Walter are talking by the lake, Hub's, and later Walter's, blanket repositions itself each time the camera cuts back. (01:08:45)
Factual error: After Stephen Maturin comes back with a small portion of findings from the Galapagos Islands, he presents a stick insect to Captain Aubrey, but stick insects (Phasmids) don't exist in the Galapagos Islands. (01:41:20)
Continuity mistake: When Denzel pulls up to the hotel to see Paul Cabot the view from the inside of the truck shows a connector for a rear view mirror, but no mirror. When they cut to an external view of the truck it has a rear view mirror.