Continuity mistake: When Bobby is begging his mother to let him work for Ted Brautigan, she says yes and fully ties the apron around her waist. However in the next shot, she is shown just putting the apron around her waist and tying it again. (00:21:50)
Continuity mistake: In the classroom when Peter is being possessed, he slams his face down into his desk twice, splattering blood onto it. After he falls back screaming, the camera changes angles and now his desk is clear of blood. (01:38:25)
Continuity mistake: When Frank Walker and Casey Newton get into Frank's bath to escape the robots, Frank gets in on the left and Casey gets in on the right. They get shot off but when they land in the swamp, Frank is on the right and Casey is on the left.
Continuity mistake: At the party, when talking about the trip to Sweden, just after Mark says Pelle's invited them to an authentic hippie midsummer at his yodelling farm, it cuts to Dani asking "Oh, yeah." To the right of shot, Mark is shown holding a bottle with part of the label slightly uncovered, while the rest is covered by his hand. Two shots after, in a shot of the whole group, Mark's hand is now entirely covering the label. (00:14:20)
Continuity mistake: When Tommy Tong breaks Jarrel's stick, the broken part of the stick differs between shots. (00:33:40)
Other mistake: After the third homicide, everyone gathers around the statuettes of the ten little Indians. Small problem, though. There are eleven little Indians. (00:42:20)
Continuity mistake: The cursed necklace is shown emitting its evil fumes on the white paper of the letter, but the letter itself is perfectly 90° with the envelope, or at a different angle. (00:06:20)
Continuity mistake: At the beginning of the scene inside the Dennis Nylon mansion, Emily is wearing her bag on the left shoulder. She sneaks her way inside the "employees only" area, loses her cover (the guy bringing clothes upstairs), still with the bag looking the same, but the moment she enters Emily's office in a rush, she is wearing her bag across the chest, right shoulder strap, bag on the left side. (00:34:00)
Continuity mistake: In the gas station scene after Ellen learns that Phil has drowned, she is so distraught she forgets to put the gas cap on and we can see it on the roof of her car as she drives away. But when she arrives at the police station we can see that the gas cap is on. (01:10:20)
Continuity mistake: When Casey and Delilah watch Nurse Harper get infected by Coach Willis from inside a closet, the closet's shutter windows switch from closed to open between shots.
Continuity mistake: In the shot where Mattie walks towards the toilet at her school, you can see there's a pencil in her hair pointing downwards. When she's inside the toilet, the pencil's direction and her hair have both changed.
Factual error: The girl in Ed Warren's hospital room is wearing a UConn sweater with the wordmark from their 2013 logo rebrand that had not existed anywhere near 1981. (00:21:30)
Continuity mistake: When Jesse brings Reggie home with him, Jesse plays his answering machine as the dog makes himself at home. After Jesse places his gun on the kitchen counter and pours himself a drink, Jessie heads over to the den to listen to Jenn's message again, and he takes a seat in the den. Then, in the last wide shot, the gun is back in Jesse's holster. (00:06:25 - 00:07:10)
Continuity mistake: During the first appearance of the true Candyman, there is sunlight where he is standing. The sunlight disappears in the close-up.
Continuity mistake: Radha Mitchell is giving a press release at the beginning of the movie. There are many microphones in front of her in rows. In the front row, from her left, are orange, black and blue microphones. In one shot from the front, another black microphone appears next to the blue one. (00:03:35)
Continuity mistake: At the club when Katie Holmes is sitting with her fiancé, she is wearing a black strappy dress with a strap hanging off her shoulders. She stands up to go and dance with her father and in the next frame the strap is in place on her shoulder.
Continuity mistake: After Redmond is killed, when the flashback starts, Leonard's back is to the main door of the cabin. When the flashback is over, his back is to the kitchen.
Character mistake: At the truck stop, Mark (young Damian) meets with Martin. Martin tells Mark that he had the shedding pills reverse engineered and hands him a piece of paper. The percentages of the 5 ingredients only add up to 90% rather than 100%. (01:29:25)
Continuity mistake: When Jessica finds the gift box of roses outside her apartment, there's a closeup of the card signed "Ray", then a few shots later in the next closeup of the card the signature "Ray" is entirely different. (00:56:00)
Continuity mistake: When Julia is explaining the conspiracy to Rick in the stairwell, the position of Rick's hands in front of his face change between shots. (01:03:25)