Continuity mistake: When Vader's shuttle is approaching the Death Star, the crew in the control room of the Death Star are wearing black gloves. One of them then reaches forward to press a button, but in the close-up of his hand pressing the button, the hand is not wearing gloves at all. This can only be seen in the widescreen version. (00:02:25)
Visible crew/equipment: When Superman is landing to stop the plough machine, the wires holding him are visible.
Visible crew/equipment: After Mortimer's comment that Billy Ray has probably been stealing since he could crawl, when it cuts to the two officers opening the squad doors to place Billy Ray at the back of the vehicle, the barndoor set lighting is visible over the squad car at the top right corner of the screen. (00:18:25)
Continuity mistake: As Arnie runs after Leigh at the drive-in, he arrives under the awning with his hair slightly wet, but still rather full-looking. But in the next close-up, it's soaked flat onto his head. (00:45:40)
Factual error: When we first see Fatima Blush, she is waterskiing. She is doing several stunts, which are only possible with one ski, the most notable being skiing backwards with one foot in the air. However, when she releases the tow rope and skis up the ramp into James Bond's arms, she is on two skis. (00:45:55)
Continuity mistake: When Jeanie is telling Richie the order, she alternately holds the pad, or it is down on the table. The pencil in her hands disappears in one shot too. (00:07:15)
Visible crew/equipment: At one point Clint Eastwood is out in the woods practising his shooting with his new .44 auto-mag pistol. While he's doing this, a car pulls up and a black male begins to get out with a shotgun. (We later learn that this is his partner). As the man with the shotgun is opening his door, if you look at the reflection in the car window, you can clearly see the reflection of a man with a camera and another man standing next to him.
Continuity mistake: After shutting his closet door, Tad runs over to his lightswitch. In this shot the lamp on the desk, beside the lightswitch, is standing high up. In the next closeup of Tad reaching the switch, the lamp is in a different position, then switches back. (00:04:25)
Continuity mistake: At the end, just before Bronson shoots Warren in the forehead, Warren's hair goes from messy to perfectly neat. (01:39:45)
Continuity mistake: In the scene in the diner Julie's friends are telling her Tommy wants to take her back, Stacey enters with school books close to chest and sits down. The next shot shows the books on the table, and the following shot shows books back against her chest. (01:05:00)
Continuity mistake: In the motel chainsaw scene, before the Colombians pull out their guns, there are several food containers, a bag of cookies and a soda can lined up neatly on a table, seen in multiple shots. After the skirmish, Hector pulls the chainsaw out of its box and Tony is leaning against the table with the items now all scattered in different positions. A few minutes later, Manny shoots his way in. You can see the table in multiple shots and the items are back in their original positions.
Continuity mistake: When Roy Scheider's partner is killed, he is run over by a car. After the car runs him over, his body rolls and you can see his arms swinging freely even though his hands were bound by the plastic ties. Later when you see his body, his hands are bound again. (01:10:30)
Continuity mistake: When Bond takes off in the plane, we see - in one shot from Bond's view - the Cubans approaching. The background is a flat (English) countryside. In the next clip, we see a close-up of one of the Cubans. behind him are quite large hills/mountains. (00:04:55)
Visible crew/equipment: About one hour and fifty minutes in, the two stars get into a fight and are rolling around the floor. In at least one scene, a cameraman, with a handheld Panavision camera, is quite visible in the middle of the shot.
Continuity mistake: When Rita is telling Frank about what happened after Sandra's wedding, she jumps from standing at the right side of Frank's table to the left side. (00:56:25)
Other mistake: In the end credits, Santa's name in the song title "Santa Claus is Comin' to Town" is misspelled as "Clause."
Revealing mistake: When Doris the TV repairwoman exclaims, "You crazy? You fed a baby chili?," it then cuts to a closeup of Megan, and this closeup is a flipped shot; everything is backwards. (00:35:25)
Factual error: As the computer repeatedly tries different bombing strategies, all resulting in "WINNER : NONE", one of the strategies it lists misspells "Israel" as "Isreal" and "Palestinian" as "Palistinian."
Continuity mistake: When the doctor on the right walks in the operating room he puts a glove on. A shot later it's off and he's putting it again.
Continuity mistake: In the scene when Cho & Dave Hatcher confront the thugs in the park, one thug is on the right, at the back, holding a radio. He says, "Oh look, here come the policemen. I wonder what they want with us this time?" In the next shot, the radio is on the park bench, in front of his knees. (00:51:25)