Continuity mistake: When Peyton returns to his lab after its destruction, a burnt picture of him and Julie is on the floor. The destroyed picture shows half of Peyton's face missing. After finding a new place to stay, when the picture is put into the scanner, more of Peyton's face is visible. (00:28:10 - 00:30:40)
Continuity mistake: When Chucky is threatening Mattson in the car with the fake gun, between shots as he shouts threats at Mattson, Chucky's grip on the gun and the angle at which he has it pressed against Mattson's cheek keeps changing. (00:18:30)
Continuity mistake: When Rhonda climbs out of the ditch with Earl, where the graboid has killed itself, her backpack is slung over her right shoulder and hanging in front of her. In the next shot when she's standing up, the backpack is on her back.
Continuity mistake: When they are in the library after they found out Stan committed suicide, it shows Beverly stand up but when it cuts back to her she is sitting down and stands up.
Continuity mistake: As Harrigan is walking away from King Willie in the alley, Willie turns toward him to say, "Prepare yourself." His face is well-lit. In the next shot, Willie is facing away in the background and his head is entirely in shadow. He's turned and lit again for his next line. (00:47:00)
Continuity mistake: In "Lover's Vow" Wyatt leaves the bar after firing Preston, leaving his drink and newspaper on the end of the bar. In the next shot the paper has changed position and in the next shot it completely disappears. (00:58:50)
Continuity mistake: When the nurse is wrapping a tensor bandage (also known as an Ace bandage) around Kinderman's hand and wrist, the way the bandage is wrapped changes between shots.
Continuity mistake: Rachel's father kills himself after returning home from the Vietnam war (presumably in the early 70's) addicted to morphine. The problem with this is that he kills himself in a 1978 or '79 Ford pickup - Ford did not produce any pick-ups with square headlights until those years.
Continuity mistake: The position of the hood on the baby stroller as it rolls down the cliffside hills keeps changing from fully down, to halfway up, etc. as Luke chases it.
Continuity mistake: When Troy and Rowsdower are standing and looking up at the Lost City that flies up and leaves the planet it is dark. But a few seconds later, while they are still looking upwards towards the city, it is full daylight.
Continuity mistake: In the movie, Melanie Griffith's character's name is Patty Palmer. In the credits it's listed as "Patty Parker".
Continuity mistake: When the drawer opens and Clams asks what's up with the drawer, Billy says it opens automatically while having his hands in his pocket. When it cuts his arms are crossed. (00:23:15)
Continuity mistake: When Irv and Blaire are snuggled up on the couch, watching Wheel of Fortune, watch the big bowl of buttery popcorn they have. In the first shot it is full to the brim. In the next shot it's half full. (01:18:15)
Continuity mistake: When Maria is cleaning up the water on the floor, the rag is red in one shot and then blue in the next.
Continuity mistake: When Ralph is running from the hunters at the end and he finds the pig's head on the stick, he stops with his arms spread out a bit. In the next shot, even though you only see his head and shoulders, you can tell that his arms are now straight at his sides.
Continuity mistake: When Cooper goes upstairs to get the TV set, in the room, the power cord hangs a little bit. Next shot, in the hallway, the same cord is on the TV set, not hanging at all. And in the next shot, when going down the stair, he holds the cord in his hand. (00:57:00)
Continuity mistake: When Jacob is talking on the phone while shaving, the amount of shaving cream on his face changes from shot to shot.
Continuity mistake: In the strip club, the serial killer puts the dollar bill in the dancer's g-string twice.
Continuity mistake: After Cody leaves prison and gets in the car with his friends, we see him letting Angel into the back seat, then just two seconds later, when the camera switches to the view of the prison, we can hear the engine started. He couldn't wait for Angel to enter, then enter himself and start the car in two seconds.
Continuity mistake: Lisa drives Sam to the hospital and is met by Dr. Marsh. Dr. Marsh puts on a protective eye mask, before administering a syringe of luminous substance into Sam's arm to stop him projecting fire, but the next scene shows him not wearing the mask then it's back when disposing of the syringe.