Continuity mistake: In the scene where the Graboid is pulling the truck you can see that there is a gun rack and a gun in it. Right before they are about to hit the rock you can see that the gun falls off of the gun rack. The gun goes on and off the rack between the following shots. (00:30:25)
Continuity mistake: When the press secretary kisses the hand of the alien-dressed-as-a-seductive-woman, the eyeball ring is on her right middle finger but after she knocks him out (or kills him) the ring is on the finger between the middle and the pinkie. In subsequent scenes it's back on the middle finger. (01:01:35 - 01:04:20)
Continuity mistake: When Shale gets in the fight in the library, he takes a round to the upper left chest. When he takes the shirt off to reveal the vest there's no bullet and no damage to the vest.
Continuity mistake: When the first FBI agent gets thrown from the passenger side of the car the scene is of a city street. When the second agent gets thrown from the car just seconds later after he hits the road the scene to the left looks grassy instead of city.
Continuity mistake: There is one scene at a party where a guy drives off in a car. When he gets into the car, it is facing up the driveway with another car in front of it. When he drives off he drives straight ahead, without reversing down the driveway.
Continuity mistake: In one scene, Zane disturbs a lecture on terraforming at JPL and gets thrown out by security guards. Later on in the movie, somewhere in a Mexican bar, Zane and Ilana are discussing global warming. In a flashback Zane remembers the lecture at JPL. Strange thing, however, he can even remember a part of the lecture which was given at a time when he had already been thrown out.
Continuity mistake: The terrorist blow up many Jeeps when they ambush the military in the opening scenes. The problem is, they blow up more Jeeps than are in the convoy. When the terrorists steal the truck that was being escorted by the military convoy, we can see there were 3 Jeeps. But during the ambush scene, there are a lot more than that blown up by terrorists using weapons.
Continuity mistake: In Escape from New York, Snakes tattoo on his stomach is filled in. In Escape from LA, his tattoo is just an outline. (00:18:05)
Continuity mistake: When Mel Gibson pulls up at the road crossing, there is a red car in front of him. But in the next shot when all the kids walk across the road, it is gone. Then in the next shot, it returns.
Continuity mistake: In the scene where the lion is trying to get into the tree where Val Kilmer's hiding, it flashes to the lion, then Pitt, then the lion again. On the first lion flash its face is clean, then on the second lion flash its face is covered in blood.
Continuity mistake: During the scenes on the makeshift snowboard Jackie uses to evade the skiing soldiers, every time you see Jackie's face he is standing left foot forward on the board, but whenever you cannot see his face he is standing right foot forward. (00:19:45)
Continuity mistake: The Phantom and Diana take an airplane to escape the boat. Drax's henchmen shoot at it, touch the gas tank and gas starts flowing from it. You can only see gas two times, during close shots.
Continuity mistake: When Grant goes down to the main cabin and is looking around for the sleeper, the fringe of his hair goes from up and pushed back to all hanging down without him touching it.
Continuity mistake: When Dick is braking the bus with his feet, lots of sparks come from his shoes. When the shot changes to an outdoor view of the bus, there are no sparks to be seen underneath the bus.
Continuity mistake: In the scene where Ashe is burying his son, when they show his face as he's piling up the dirt there are no black lines on his forehead, yet in the next scene when they show him on his motorcycle, the black lines are back on his forehead.
Continuity mistake: When the Siamese fighter (Chris's old friend) is defeated by the Mongolian fighter, Chris wipes the blood from his friend onto the Mongolian fighter. When he wipes the Mongolian, no blood is there. The blood does not appear on the Mongolian until Chris is walking off.
Continuity mistake: In the scene where Long John Silver comes into the Captain's quarters to offer them all some brandy to toast the voyage, watch the glasses on his trolley. When he wheels the trolley in, all the glasses are on the right hand side. When he wheels it out (nobody but Fozzie having drunk any brandy), all the glasses are on the left hand side.
Continuity mistake: When the kids take Mr. Roth's car, the lights inside the car turns on. When it cuts, the lights are off.
Continuity mistake: When the industrial plant explodes at the end of the film, as Peyton and Angela/Jenny escape, in the wide shots you can see the flames are so big, that they actually set the actors on fire. However, in closer shots, not only are the actors not on fire, but the explosions are much smaller.
Continuity mistake: When Alex is walking around nude in just high heels watch carefully. They seem to come and go during the gun battle.