Revealing mistake: In the scene in which Jason kills the captain of the boat, it is quite obvious that Jason uses the blunt side of the machete to slit the captain's throat. (00:39:10)
Revealing mistake: In one shot when Alice is in the shower, as she turns for the soap you can tell she is wearing brown underwear. (00:03:30)
Revealing mistake: When the plane crashes in the tree the wires holding it are visible. (00:17:55)
Revealing mistake: When Dana is walking down one hall with Leroy and a bottle of champagne, the exit sign is reversed. (00:53:05)
Revealing mistake: When the windshield is shot up, Riggs knocks the glass off the car. But interior shots that follow show Riggs' tall, fluffy hair isn't moving at all in the high-speed air rushing into the car. (00:02:15)
Revealing mistake: When the main guy is fighting the main girl in his room, the scene changes angles and you can CLEARLY see that her stunt double is a man!
Revealing mistake: During the Hy Brasil sinking sequence you can see a horizontal line in the water in the background, this is the edge of the water tank they used to film this sequence. It's also visible in several shots from the longship.
Revealing mistake: When Ray, Winston and Egon are underground looking for the river of ooze, there is a scene where they break down a small wall of rocks. Ray then sits on one of the rocks and it bends under him - it's rubber or foam. (01:01:50)
Revealing mistake: At the end of the movie when they reach the surface, you can see that the horizon is nothing but a big wall with the sky painted on it. You can see the water splashing up against the wall.
Revealing mistake: Watch Andy Garcia's decapitation scene. His head starts to come off before the sword makes contact with his neck. Slow motion helps but is not required.
Revealing mistake: When Annette Bening climbs out of the bathtub, you can see that she is naked underneath her bathing gown. When she gets back into the bathtub, you can see that she is wearing black underwear beneath her gown.
Revealing mistake: In the shot where Barbara is cartwheeling down the stairs after Oliver wrestles the ornament from her in the previous shot, the stairs have become totally flat like a ramp.
Revealing mistake: When Kurt is loading his brother into the van on the stretcher after the fight when he has just been paralyzed his feet are sticking out, but when the door is being shut he pulls them in.
Revealing mistake: After Art and Ray successfully blow up the Klopek's house, Ray emerges from the ruins and the porch collapses behind him. It can be seen that the porch supports are dragged backwards towards the house to allow the porch to collapse behind Ray.
Revealing mistake: Double Deuce is in Jasper, MO, but this was filmed in California. After Dalton tells Tilghman that Brad Wesley was not afraid, it cuts to Dalton driving. In the background, at the left there's a sign for "Magic Mountain Pkwy" and at the right the California State Route 126 sign that reads "126 West, Ventura." After the Ford dealership is destroyed, another sign in the background reads "Los Angeles, Bakersfield" (the I-5 North to Bakersfield and I-5 South to Los Angeles). (01:25:55)
Revealing mistake: When Lupe Lamore puts Sanchez's iguana down on the table near the end of the movie, you can see the iguana bounce slightly. Also, it isn't breathing.
Revealing mistake: When Beth is helping Martin out of Bartok's cocoon, you can see Martin wearing pants inside the cocoon. Surely he should be naked. (01:35:15)
Revealing mistake: When Larry and Richard are dragging the two bodies to the closet the first one lifts up his legs for Richard to put him in.
Revealing mistake: In a shower scene, the camera moves to a point which allows us to see the shorts that Dexter is wearing to keep his modesty.
Revealing mistake: When Eddie shoots the cashier at the Wady liquor store he falls backwards into a shelf with whiskey bottles. You hear some bottles break and see some splinters flying, and then there comes a Niagara-style whiskeyfall pouring over the shelf that must have come from a large reservoir behind. (00:30:40)