Factual error: Near the end of the film when Barnes exchanges fire with Rudy and U.S. Customs Agents, he fires eleven shots from a revolver without reloading. (01:24:05)
Factual error: During the Weapon show Eddie Murphy is shot at by the bad guy with a big gun. He hides behind a pile of sand bags. At the end of the movie the same guy shoots into the ceiling, with the same gun, and we can see that the bullets go through the ceiling making huge holes. How is it possible that the bullets go through a ceiling made of concrete, but not through a row of sand bags?
Factual error: At the very start of the film the words "Vienna, Austria," appear on a black screen that then fades to a city skyline. The fault is that the city shown is Florence, Italy. Very obvious due to the Duomo, (Cathedral), the tower above the Uffizi Gallery and the Ponte Vecchio, (bridge).
Factual error: During the fight scene on the moon outside Pluto Nash's hideout, dust can be seen floating around when kicked up. In the absence of an atmosphere and in low gravity, dust wouldn't form in clouds, but would just fly up and fall like water.
Factual error: When Jay and Tee are in the diner at the start of the film, it's 9pm (we know this because Tee started at noon and Jay set the neuralyzer to nine hours), and outside it's completely dark. In New York City at 9pm in July, the sky is not completely dark - the sun would just be setting. (00:13:20)
Factual error: In different scenes, with the mama Megalodon, the teeth shown are around the size of the people themselves. In actuality, the Megalodon's tooth is only a bit larger than the size of your hand.
Factual error: Juni is sending the bad twins to Gobi desert. After few scenes, we can see the bad twins in the middle of Gobi desert. They get there with a submarine. How can they enter to a middle of the desert with a submarine inside the water?
Factual error: To start his first mission, Frank has an alarm set on his watch. The watch he is wearing is an Officine Panerai. This brand makes only mechanical watches. But what is heard going off is an alarm on a quartz watch. (The only Panerai with a mechanical alarm looks completely different.)
Factual error: This movie takes place in Philadelphia (or Pittsburg?) but was filmed in Montreal, Canada, and they had to do a little thing to hide this. In a pursuit scene, you can see a street panel with Montreal's logo written Rue St-Jacques. In another scene, the building that is supposed to be a bank is in reality a library and the name is still on it.
Factual error: Just after Austin recollects what Mini Me did last time he used the peace symbol, they both smash bottles to use for fighting. Austin grabs his out of a gift basket and Mini Me grabs his out of the mini fridge. Considering the location of both Austin and Mini Me's bottles, shouldn't liquid come out of the bottles because they are new? (01:03:40)
Factual error: A two minute free fall from a helicopter? Not unless the helicopter was flying at 230,000 feet, which is more than 5 times the record altitude achieved by one.
Factual error: In the introduction, when text flows across the screen, the words "ten thousand solar systems" appear. Strictly speaking, there is only one Solar system - ours. A star with planets is a "star system", our star is called "Sol", hence, the Solar System. This trivial error is made in many sci-fi films, BUT the Star Wars series has never fallen into this error before. Remember Episode IV, where Leia says something like, "The more you tighten your grip, the more star systems will slip through your fingers" (and that's only one example). So why has George Lucas allowed such a trivial but irksome error to be made here? [Some people have debated this point, saying that "Solar" from the Latin "Sol", can mean any star system, but it's backed up in the Isaac Asimov book "Nemesis". He knows a thing or two about sci-fi, and in the book a new star is discovered and called Nemesis, and its system is referred to as the "Nemetic system", as opposed to our own "Solar system".] (00:00:55)
Factual error: In the paramilitary roadblock scene, you can see the license plates of several vehicles, and these plates are not Colombian. In all other scenes, the overall appearence of the license plates match actual Colombian ones.
Factual error: In the scene where, Clint is examining his scar, the scar is misplaced. It should run from the top of the sternum between the collar bones to the bottom of sternum, mid diaphragm.
Factual error: The way the FBI officers, who are trailing Dooley, act is completely unprofessional. The scene where the one has to restrain the other after the sprinkler incident would never happen. (00:29:45)