Continuity mistake: When the FBI are searching the office, Dacyshyn walks out, sees Mulder, drops the donor bag and runs with Mulder and Agent Whitney in pursuit. The donor bag is rear-facing when he drops it, but in the close-up it's front-facing to show the words "human organ for transplant", and its straps positions also change between all shots. (01:07:00)
Visible crew/equipment: In the drive-in shootout scene, the camera and crew are visible in the rear view mirror in the cab of the white Dodge pickup fleeing De Niro and Kilmer.
Revealing mistake: When Bobby's wife is dragged to her knees by the chain, you can make out the shape of her knee pads under her trousers. (00:41:10)
Continuity mistake: When Nicholas waits at the CRS office he is supervised by a hidden camera. In the convex cover of the camera you see a reflection of the whole room but Nicholas, who is standing in the middle of the room, is not visible. (00:18:40)
Visible crew/equipment: At the very beginning after the white van hits Matt, there is a crew member behind a hay stack. (00:05:50)
Continuity mistake: When Satan enters the church demanding to know where Christine York is, one of the priests approaches him with a crucifix. The camera is facing the priest, Satan grabs the crucifix and stabs the priest right in the centre of his forehead (just above the eyebrow line). The camera angle changes to facing Satan and when the priest hits the deck, the crucifix is sticking out of his head higher up and above his left eyebrow. (01:22:30)
Continuity mistake: In the basement of the Orpheum theater, Holmes takes a lamp off of a wall and places it on the floor. The shot cuts, and the lamp is back on the wall. When the shot cuts again, the lamp is back on the floor. (01:29:25 - 01:30:45)
Other mistake: Several close-ups of the business cards of Patrick Bateman and his associates reveal a misspelling of the word "Acquisitions" (the "c" is missing - not a small error, given that this is the name of their department).
Revealing mistake: As Elsa sings "Let It Go" she pulls her hair into a long braid going down her back. She pulls it with her left hand from behind her to in front, but the end doesn't flip over her shoulder, she just pulls it straight through to the other side without going over the top. (00:34:10)
Revealing mistake: The stunt double's hairline is quite different than the actor's, when Bud White holds him over the balcony. (01:53:40)
Continuity mistake: In the scene where Alex is watching the TV on how the plane exploded, look at the illustration shown. Then compare it with the illustration that appears on Alex's computer screen. The positions of the explosions shown are different. (00:50:42)
Continuity mistake: During Danny's drunken yelling scene he swoops a table ALMOST clear of its papers, meaning there are still a few papers messily left on the table. However, a few shots later, those papers are mysteriously missing. (01:47:20)
Continuity mistake: As Mulder and Scully enter into the building that houses the bees is seems Mulder's tie gets blown over his right shoulder and then he is seen inside and it is over his left shoulder. (01:00:30)
Continuity mistake: Before Sidney pulls the killer out of the door on the house set, we see the bedside table is lengthwise against the wall. As the killer falls towards the bed it's turns 90 degrees, so the bed is a bit closer to the door. (01:05:45)
Continuity mistake: In the scene where Owen and Tom pull Dodger from the pool. We see that Dodger's hair is hanging down over her face. We then see Owen's reaction, and then we return to Dodger. This time we see that her hair is behind her ear. She didn't have the time and it wouldn't make sense that she changed the position of her hair.
Revealing mistake: When the Headless Horseman is about to kiss Catrina's stepmother, you can see his actual teeth behind the filed ones. Christopher Walken's teeth are blacked out and their outline is visible against his tongue during the closeup of his face. (01:37:20)
Revealing mistake: When Karen is searching the net, she is on "www.tdn_japan.con" [sic]. This address wouldn't work... Also the Google bar spells "Imaegs" not "Images." (00:59:30)
Visible crew/equipment: While in the pot field, just as the growers are about to shoot them with the laser sights, you can see a crewmember crawling by in the background. (00:44:50)
Continuity mistake: The first time Tim walks towards his house as an adult, there is only a bench on the front porch. When he walks up the steps, there is a bicycle next to the door. (00:25:30)
Plot hole: The assassin cuts a hole in the glass to kill the Federation president. But with the size of the hole and the placement of the scope on the phaser rifle, the assassin would not have been able to see out of the hole.