TerrenHurley

Revealing mistake: After Adam and Barbara warp their features to look like strange bird-like characters, Beetlejuice attempts to get Lydia to release him. While this is happening, the movie cuts back to Adam and Barbara as Adam says, "But Barbara, honey, it's too late. We have to go through with this" Look at his eyes that are supposed to be dark pits; you can see the black see-through material used to conceal the actor's eyes.

TerrenHurley

Revealing mistake: When Wolf Jackson touches a headstone as he and the police are about to raid the church, you can see the headstone wobble when his hand lightly touches it, revealing it to be made of a soft, perhaps Styrofoam-like material and not a real headstone.

TerrenHurley

Revealing mistake: When Sarah defeats Jareth, you can see levitating arches in the background. If you look closely at them, however, you can see the wires holding them up.

TerrenHurley

Revealing mistake: When Nicky is hit in the head by an officer, the baton obviously bends off his head like rubber.

TerrenHurley

Revealing mistake: When Frank is knocked down with the tray, the arms of the person operating Johnny 5 are visible when the robot turns to run.

TerrenHurley

Revealing mistake: When Sarah attempts to cross the bridge and winds up holding onto a tree branch, Hoggle gasps, revealing the actor's face inside his mouth.

TerrenHurley

Revealing mistake: After the hitch-hiker cuts his hand and hands it to Franklin, the blood disappears from the knife, meaning the knife was switched between cuts.

TerrenHurley

Revealing mistake: In some extended edition cuts of the film, Regan backwards spider walks down a flight of stairs, and blood falls from her mouth. But her face isn't that of Linda Blair, but of a stunt double.

TerrenHurley

Revealing mistake: When Regan meets Father Karras, she projectile vomits in his face. But if you look closely while this vomit happens, you can very easily notice that it is the stunt double.

TerrenHurley

Revealing mistake: When Glenda is killing the mother in the shower towards the beginning of the movie the mother's underwear is visible through the shower curtain.

TerrenHurley

Revealing mistake: When Louis sets Gage's lifeless body on fire, it becomes apparent that it is a stunt dummy. The body resembles a small, pale mannequin with vague facial features and a wig.

TerrenHurley

Revealing mistake: When the headless horseman's head is being dropped into his grave it bounces on the dirt like rubber.

TerrenHurley

Revealing mistake: When Kalidor lifts Prince Tarn into the air with one arm, the cables attached to Tarn's back are visible.

TerrenHurley

Revealing mistake: When the High Priestess gets hit by Ikol's Shuriken star the guiding wire for the projectile is visible.

TerrenHurley

Revealing mistake: Sonja has a modern vaccine scar on her left shoulder.

TerrenHurley

Revealing mistake: When Joe Dirt gets lifted up by another man and thrown to the ground you can see that Joe is a stunt double.

TerrenHurley

Revealing mistake: After Steven Wilkins disguised as a vampire kills the unnamed woman he closes her eyelids to make it look like she's asleep. Just before his hand contacts her eyelids you see her almost blink, revealing she's very much alive.

TerrenHurley

Revealing mistake: When Tommy Ross gets killed and Carrie looks at his supposedly lifeless body if you look closely you will notice he blinks revealing that he is actually alive.

TerrenHurley

Revealing mistake: When Henry hits one of the corrupt cops in the head with an otoscope it bends off his head like rubber.

TerrenHurley