Continuity mistake: When Stuckey hits Vivian she rips his watch off. You can see it fly off to the left. When she bites him it's back on his wrist. Then when Edward pulls him off Vivian it's gone again. (01:00:20)
Continuity mistake: When Henry has just shown De Niro the guns and he returns to his car, you see him light up a cigarette. When the shot changes the cigarette has vanished. (01:54:45)
Visible crew/equipment: When moving into their apartment Patrick Swazye kicks the statue to make it swing so they can get it inside. As they are looking at the statue, two moving men cross in back of them carring a mirror and as they pass you can see the director and camera crew in the reflection.
Visible crew/equipment: When Splinter throws Shredder over the wall, Splinter's puppeteer is visible. (Full screen only).
Continuity mistake: When Tracy is tied up in the basement, the rope around his body changes styles between shots.
Continuity mistake: 35 minutes into the film, Cher enters her bedroom with a bowl in her right hand and a bottle in the left. When she gets into bed, both have switched hands.
Continuity mistake: When Kim is watching Edward cut the roses, in closeups she's quite close to the curtain, and it's hanging straight down. In the wide shot she's slightly further away, and the curtain is angled outwards because she's holding it back with her hand.
Visible crew/equipment: When a carload of bad guys drives past the front of Seagal's sister's house and riddles the front of the house with machine-gun fire, Seagal quickly slams the front door shut, and you can very clearly see all the stunt charges attached to the door.
Continuity mistake: During the fight in the pool, Lyon's big tattoo on his chest disappears. You can see a very faint blue shadow on his chest from the previous make-up.
Continuity mistake: When Annie Wilkes is shaving Paul Sheldon, when she is almost done she stops shaving and talks to him about something briefly. Before she stops talking there is still some shaving cream under his nose. Then when the camera goes back to Sheldon, after she's done talking, there is no shaving cream under his nose.
Continuity mistake: When Bob gives Nikita her birthday cake, the positioning of the candles in the cake change between shots. (00:31:55)
Continuity mistake: Frenger is wearing a gold-colored watch with a flexible band when he follows the thief's accomplice into the bathroom and beats him up. In the next scene, where Frenger purchases an Uzi squirt gun, Frenger is now wearing a watch with a black leather band. He did not steal the watch from the guy in the bathroom. (00:15:02)
Visible crew/equipment: When Zasa's two henchmen try to kill Vincent and he shoots the second one through the hand, you see a bulge in the guy's palm just before it explodes to create a 'hole'. (00:34:30)
Deliberate mistake: When Steven Seagal and Kelly LeBrock are in the jeep, being chased through some fields by the cops, some of the shots of the jeep are flipped. Note the bullet holes on the windshield switch sides, as does the driver/steering wheel, the windshield wipers and the front license plate. As an aside, also note the numbers/letters on the license plate that have been altered via CG in the flipped shots.
Continuity mistake: When Roberta is being tortured by sinking her head in water, every time her head is sunk or raised, her hairstyle changes depending on the angle.
Continuity mistake: When Rosencrantz and Guildenstern meet the Players on the way to Elsinore, the sky around them changes. In the shots of the players, it's gray sky, possibly approaching dusk, and in the shots of Rosencrantz and Guildenstern, it's pitch black. (00:13:20 - 00:14:40)