Audio problem: When Joey is arguing with the editor about whether or not there's a "story out there," there's a shot where Joey firmly says, "THERE IS a story out there." But her lip movements show her saying, "There's a story out there" in a more laid-back tone.
Continuity mistake: When the guy slams his hand on the bus window, startling Joey, in the first shot, only his right hand is on the window. In the next shot, he's hitting the window with both hands. He then takes his hands off the window and starts lowering them, but in the next shot, his right hand is back on the bus.
Visible crew/equipment: After the clubgoer's head explodes, we see Joey riding in a bus. In the first shot, as the camera moves towards Joey, towards the end of the shot, you can just barely see the reflection of a crew member in the window. He appears to be pulling or steadying the camera rig (probably a dolly camera rig or something similar).
Continuity mistake: When Joey runs towards the operating room and Terri leaves the hospital, in the first shot, Terri begins to open the door and walk out in the background. The camera cuts, and we see her do the exact same thing a second time.
Audio problem: When Joey sees the clubgoer being brought into the hospital with Terri, as they hurry down the hall, none of the dialogue that is overdubbed matches anything being said. Especially the lines, "You ever seen anything like this?" and "Yeah, yeah! Sure." The camera lingers on the actors' faces as though they should be saying these words, but their lips don't match at all.
Audio problem: When Joey and Doc are introduced and Doc says, "Yeah, while, like you said, it's a mystery. But that's all it says: a mystery," his line is overdubbed. Several of the words don't match his lip movements.
Continuity mistake: When Joey is introduced and says, "That's a wrap," she starts rubbing her forehead with her hand. When it cuts to an over-the-shoulder shot, she's no longer rubbing her forehead. (You'd see her hand still from the angle.)
Revealing mistake: When the CD's embedded into the DJ's head, the second CD we see cut into his skin has fishing line coming off it.
Revealing mistake: During the nightclub massacre, there's a brief shot of a woman having the skin around her eye pulled off. You can tell that she just had some fake skin over her face and had her face painted with a "blood" texture beneath. The effect is incredibly cheap and unconvincing.
Continuity mistake: When the cop cars explode, suddenly the cops vanish between cuts. Obviously, they were meant to be killed in the explosion, but they just aren't there in the wide shots of the actual explosion.
Audio problem: When the two cop cars stop during the climax, virtually none of the female cops' dialogue matches her mouth movements. And even when it does, the overdub is a woman yelling much louder than the actress appears to be.
Continuity mistake: Joey runs up to the female cop. It then cuts to her partner getting out of his car, and you can see Joey run up to the female cop a second time in the background.
Other mistake: When Joey is fleeing down the city streets, two cop cars drive up. Instantly, between cuts, the cops appear outside their cars as Joey runs up to them. They don't get out... they're just suddenly outside of the cars between cuts, and the movie tries to cover it by adding in a car door opening/closing sound.
Revealing mistake: When the former bartender-turned-Cenobite blows a hole through the brick wall and comes out, you can see the "brick wall" bend like foam or rubber as he comes through, revealing it's a fake prop wall.
Revealing mistake: When Joey is running around the streets with the box, the former bartender Cenobite blows a hole through the wall and comes out. There's a brief shot of Joey cowering with her back to him, and you can plainly see one of the supposed "bricks" from the wall literally smack her on the side of the head and harmlessly bounce off, revealing it's a lightweight foam replica. The scene tries to cover by adding in her grunting "Ugh!", but if it was a real brick, it would have knocked her right out.
Audio problem: When Joey sees Doc as a Cenobite and flees as he blows up the storefront, she bumps into a random guy who is seemingly somehow missed the explosion that happened about 20 feet in front of him. Not only is it ludicrous he isn't fleeing, but his dialogue is also painfully obviously overdubbed.
Continuity mistake: When Pinhead pushes the second nail/worm into his hand, the camera cuts to an extreme close-up. In between shots, suddenly there's more blood on his hand.
Revealing mistake: When Pinhead pulls the pins (with attached worms) out of his head, there are two brief flubs. In the first close-up, you can see several of the pins on his head "wobble" unnaturally, revealing that it's likely some sort of rubber prop head. When he pulls the second pin out, the camera is in almost the exact same position, and he appears to pull the second pin out of the exact same spot, so it's likely just two different takes of the exact same effect.
Revealing mistake: When Pinhead is walking into the church, the stained-glass windows start to explode. In several of the close-up shots, you can see the supposedly stone walls of the church "wobble" as the windows explode, revealing they're just painted set walls.
Revealing mistake: When Joey sees the man's head explode in the hospital at the beginning of the film, pay attention. You can tell that the head was sculpted out of rigid foam (likely something similar to Styrofoam), painted, filled with fake blood, and then blown up. What gives it away is that you can see some of the unpainted white foam on some of the "chunks" of his head.
Chosen answer: It's a piston. 2 piston rods are jammed through his head and they move powered by something unknown. You can see the crank shaft and part of some sort of cylinder. A piston is part of an internal combustion engine. It's part of his cenobite form since he liked cars.
lionhead