Continuity mistake: When Jack is leaving the shed with the bug bomb, the canister switches from being under one arm to the other.
Continuity mistake: In the scene where Wayne makes his speech at Szalynski Labs, he pretends to stand in a strange shape. When he does so, his speech cards are facing down. In the very next shot, the cards are facing up.
Continuity mistake: In the last scene where Brad and Caroline are apologising to Sam, when he says, "You think we didn't know?" and Caroline says, "Yeah", her head is straight, but the next shot her head is on a right tilt. (01:44:20)
Continuity mistake: In the scene where Vincent is meeting the thug in the pool hall to trade money in exchange for Emily, the thug makes a move for the money bag, and Vincent grabs his arm. At first, he grabs his right arm, then it cuts to another angle and he actually has his left arm.
Continuity mistake: Between shots Grace goes from walking backwards to forwards, when meeting Bobby for the second time.
Continuity mistake: When Courteney Cox and Aiden Quinn start kissing, her head is tilted to the right. The camera changes angles and her head's to the left.
Continuity mistake: When the plane of Richard Dees lands, the pilot has a moustache, in the next shot he doesn't and is clean shaven. (00:22:40)
Continuity mistake: Peter walks into the bathroom holding a box of Chinese and a bottle of wine. He puts them down and hugs Sarah. She falls backwards into the bath and now he too is holding a glass of cloudy looking water. (00:08:25)
Continuity mistake: When the man at the wedding (in the gazebo) is shown wearing a money jacket, he removes the outer jacket he is wearing twice.
Continuity mistake: In the scene where Al Pacino and Keanu Reeves are on top of the office building, they walk to the right edge of the roof. When the camera changes from overview to close-up, they only need one or two steps to the edge, but they make at least six steps. (00:25:40)
Continuity mistake: At the end of the dress rehearsal, when the policeman looks around the corner, someone's shirt appears on the armrest of Nathe's chair. (01:01:40)
Continuity mistake: When the bad guys with the high tech weapons shoot down the helicopter, there is a cop standing directly under the helicopter as it is coming down. The guy who plays the cop is clearly an older looking man with no hair on the top and graying hairs on the side. As Shaq (Steel) goes to tackle him to get him out the way, the stuntman for the cop is clearly recognizable, because the stuntman has a full head of black hair and a part on the left side.
Continuity mistake: During the first fight scene, the cyborg hunter has dark markings around his eyes. As soon as the fight moves indoors, the markings disappear completely.
Continuity mistake: When Joe goes to quit, it is late afternoon (it is getting dusky). But when he shows up at Ben's house afterwards to tell him that he just quit, it is lighter, like it's the middle of the day.
Continuity mistake: During the scene when Martin and Cray are in the morgue, Cray throws the baseball bat at Martin. When Cray throws it it is upside down but when Martin catches it, it is rightside up. However, you never see the bat flip.
Continuity mistake: Concerns the helicopter carrying Bob Bishop to the White House. The helicopter is shown as having a wheel-chassis during the approach to the landing-site, and skis in the precise moment of landing.
Continuity mistake: After the dinosaurs are on the island, they see that the path they crossed to get there is gone, so they have no way of getting back. Then when they call their parents a little bit of the path and some rocks (that weren't there before) suddenly reappear. Then when they sail back on the log about half of the path is restored.
Continuity mistake: When Hank Simes reappears in human form, he is wearing a red shirt that materialised with him. But when the blue laser disintegrates him, the shirt falls to the ground.
Continuity mistake: They are sitting with their gas masks on waiting for the gas to vent. Look at the reading on the "gas analyser" the needle is way in the red zone. Then a few seconds later it reels back to under the red and the green light comes on. Kind of a sudden fall. (00:43:00)
Continuity mistake: When Rollo is standing next to the lemur cage and waves at the approaching Willa he raises his right arm, but when the camera angle changes we see him lowering his left arm. (00:47:55)