Factual error: When Watson is pinned down by Moran at the arms factory in Germany, he hides behind a large artillery piece. He looks around and sees a pair of hearing protection. They appear to be modern hearing protection ear muffs, wrapped with cloth to make them look period. They have plastic clips to detach the ear cups from the metal band, which gives them away as being modern. They appear to be Peltor style hearing protection.
Continuity mistake: Inside Lord Peel's study, Poirot asks Lady Westholme what did she do after lunch, since "You did not immediately go for your walk, I believe." Peter Ustinov poses the question with his hands behind his back, but Lauren Bacall's answer answers with the stand-in for Ustinov posing with his hand on his hip. (00:54:40)
Continuity mistake: As Holmes is talking about the derailment, the distance between him and Captain Shore changes between shots, just before Shore says "Very well figured out, Holmes." Also, after Holmes sits down, the camera focuses on him several times. During these scenes, Captain Shore and Sir Evan's leg disappear. (00:28:52)
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: Throughout the scene where Roland and Maud are sitting on the floor looking through the things in the box from Ash's grave, the head of Maud's hairclip switches constantly from one side of her head to the other.
Revealing mistake: In the scene where Trout's gang burns the school and kills Sam, there is a part where Katherine runs into the sheriff's office then exits. A few seconds later, Katherine runs by a shop on which the name is reversed. Very obvious. (00:51:40)
Continuity mistake: Lady Raven arrives at the Coopers' place and starts talking to the wife. Cooper's watch is set to 1:35. An instant cut later it's set to 1:20.
Continuity mistake: When Shawn first holds up the jerky to distract the guard dog, he's holding the torch in his right hand and the bag of jerky in his left. We cut to a wider shot and the items have instantly switched hands. (00:26:50)
Continuity mistake: When Tommy Tong breaks Jarrel's stick, the broken part of the stick differs between shots. (00:33:40)
Revealing mistake: When Strahm's phone says "no signal" there is actually a three bar signal. (00:06:35)
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)
Continuity mistake: We see that when Pat's host leaves the room, there is a pink bag sitting on the side of the table, to the right of the window. Later, when Pat walks over to the window, the bag is now gone. (00:08:20 - 00:10:00)
Continuity mistake: Velma adds books to the pile in front of her when she takes the telephone order. Looking down the pile, you don't see any trace of the random loose papers that appear when she hauls the whole lot to the desk with the TV on. (00:06:25)
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 David goes into the Dodson Hotel to look for Eddie, the glass door he enters through is completely normal. When he runs out chasing Eddie, he goes out the same entrance and this time the right glass door has a huge hole and is shattered. (00:47:40 - 00:49:35)
Continuity mistake: After Bill punches the door open at the end of the alley, the old couple get up and escape. There is a wooden barrel and trash in the corner where they were hiding. But moments later when Batman breaks Bill's leg, the corner is seen behind him and the barrel and trash are gone. (00:05:15 - 00:05:55)
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: When Peacemaker kills Rick Flag by stabbing him in the heart, the depth of the object changes between the close-up shot of Peacemaker's hand and the next shot, where we can see the part sticking out of Flag's chest has increased. This is before Peacemaker hits the object deeper. (01:31:05)
Continuity mistake: At the end, when Sam places the last few mini figurines on the hex riser display, note the house's chimney stack faces to the right, but when Sam picks up the display the chimney faces to the left. There are some other difference between these shots, such as the miniature tree under Dash's car goes from full green foliage to sparse, then back to full. (01:45:40)
Continuity mistake: When Lucifer confronts Thomas, Lucifer forcefully pulls him closer and puts his right hand on his chest, but the close-up shows that his hand is under Thomas' arm. (01:21:20)