Continuity mistake: When Bond releases the red weather balloon from the oil rig and it is spotted by the guys in the helicopter you can see a desert/land background behind the helicopter despite it supposedly flying over the sea close to the oil rig.
Other mistake: When the car chase starts in Vegas in a close up of the two policeman chasing them the driver is wearing sunglasses and the background is badly dubbed. Silly thing to wear when it's nighttime.
Continuity mistake: When Bond arrives at Tiffany's home in Amsterdam, he rings her doorbell. It's shown that she's living on the 4th floor (T. Case), but through the speaker-system she tells Bond to come upstairs to the 3rd floor.
Revealing mistake: When Bond wakes up after being buried in the tunnel, there's light coming from everywhere and shining on the walls; yet, there's no direct light coming in from anywhere, nor artificial light sources on the walls.
Continuity mistake: At the end of the film, when Ms. Case is on Blofeld's oil rig in the control room, her butt crack is seen at the top of her bikini. A shot later, it is hidden.
Continuity mistake: When Mr. Kidd tries to kill James with the flaming shish-kabobs he is wearing gloves, which weren't there immediatly before.
Continuity mistake: As the oil rig is attacked, a large chopper and a small one are blown to bits. There were only two large ones but the one that was blown up briefly reappears as the choppers do a U-turn.
Continuity mistake: When Tiffany Case takes Bond's drink to put ice in it and check his fingerprints, when she gives Bond the drink back it has no ice when he smells the chemical on the glass.
Continuity mistake: When Bond is speaking to Tiffany by the swimming pool, he puts one arm into his jacket, but when the camera is behind Bond in the next shot, the jacket is now completely on.
Continuity mistake: When Bond and Tiffany are having their dinner on the cruise liner, Bond makes comments about the wine and you can see behind him there is a liquor bottle on the food cart with a large white label facing the camera. When Bond is being strangled by Mr Wint and reaches for the bottle to smash and throw the contents at Mr Kidd, the bottle is turned and the label is facing away from the camera.
Plot hole: Glass or paste stones would have melted during Franks' cremation. But we're supposed to believe they ended up in the urn. (00:33:38)
Continuity mistake: When Bond first drives off in the moon buggy the wheels have silver hubcaps on them, but when he crashes through the wall and goes outside, the centres of the wheels are completely different.
Continuity mistake: When Bond is fighting Peter Franks outside of Tiffany's apartment, Franks swings a crowbar at Bond. Bond then kicks Franks and the crowbar falls out of Franks' hand. When Bond begins squirting the fire extinguisher at Franks, the crowbar is back in Franks' hand again.
Revealing mistake: When the orbiting satellite blows up the missile in North Dakota you can see the scientists nearby move freeze in motion.
Factual error: When the submarine blows up under water the explosion we see shows no water being thrown up.