Factual error: No airport in NYC has the view of the New York City skyline that Kevin has when he realizes that his family is in Florida and he's in New York.
Factual error: During the movie, Doug watches video from the previous Olympic competition. The skaters are shown performing in a darkened arena lit by spotlights. Special lighting effects like this are not allowed in competition. All competitions take place in a brightly lit arena.
Factual error: The baby is expanded to approximately fifty times his height, width and girth but it's explicitly stated that he retains his orginal mass. This means he will have the same volume as one hundred and twenty five thousand babies of his original size, but will weigh the same as before he was enlarged! That child is going to weigh much less than the volume of air he displaces. He's going to float away.
Factual error: As the Thug Zombie is on top of the lawnmower and is getting hacked to bits, his body parts don't fly off. His arms would've gone everywhere when the blade reached his shoulders, and the same goes for his head. (01:29:15)
Factual error: Rosie is repeatedly shown buzzing in before Alex Trebek can even finish asking the question. In Jeopardy!, this isn't possible, you may only buzz in once the question is finished.
Factual error: At the very end of the movie, the Pope gives the nuns a standing ovation. The other people seated in the box with him should have immediately risen at this time. Instead, the man seated to his left looks up at him, seeing that the pontiff has stood, but makes no movement to join him on his feet.
Factual error: Throughout the film, the drainpipes on the buildings are almost all plastic - the film is set in the Victorian era.
Factual error: In the "training sequence" portion of the league formation, it shows the ladies being taught to pitch overhand. In actuality, the ladies in the league didn't pitch overhand until the later years. (00:23:50)
Factual error: When Wayne and Garth are driving to the Alice Cooper concert in Wisconsin, they pass palm trees while driving the expressway from Chicago. There are no palm trees on any expressway in Illinois or Wisconsin. (00:57:00)
Factual error: The science teacher makes a water molecule and claims it makes up "96% of the human body." This is simply wrong. Depending on the person, it usually ranges between 70-80%, with around 15-18% of us being carbon.
Factual error: Sean Astin and Pauly Shore find link buried in a block of ice that is in sunny California. Even buried underneath the fifteen feet of soil where it was found, a block of ice could not exist.
Factual error: The old man is supposed to have accidentally ended up at Rita and Peter's wedding by just "getting on a train," and finding himself in Lake Forest (a far northern suburb of Chicago.) But he started out in Berwyn (a western suburb), and in order to get to Lake Forest from Berwyn, you have to get on one train, get off in downtown Chicago, walk several blocks, and then get on an entirely different line going to Lake Forest. In other words, not something you can "accidentally" find yourself doing, but something you have to know where you are going in order to do.
Factual error: As an out-of-state attorney, Vinny would have had to file documents for admission to the state bar association "pro hac vice" ("for this case"), and the boys would have been assigned a local attorney to ensure compliance with the rules of procedure, which Vinny kept violating.
Factual error: In the scene where Daniel is flying the B-25 (Mitchell) to see Helen, you can see the propellers are turning much slower than needed for a cruising flight. Also, the sound of the engines is too low and keeps changing even though Nat and him are talking.
Factual error: The Newton children don't age at all between Beethoven coming to live with the family as a puppy and when he becomes an adult dog.
Factual error: When Jack jumps out of the plane as a flying Elvis, he pulls both chutes to open. If both opened as they should have because he pulled both lines, the parachutes would've become twisted and he would've died on impact with the ground.
Factual error: When Congressman Johnson is in a meeting with Pro-Bono advocate, Celia Kirby, he brings the topic of auto insurance up and asks her assistant, Ira, how much he pays. Ira states he has a '82 Dodge Dart. Dodge did not make an automobile of that particular model, in that year. (00:51:15)
Factual error: The titular character, "the bellboy" works at a hotel in Venice and has an italian accent, but whenever he actually speaks in Italian it is obvious that he is no native speaker, he really butchers his lines in the language.
Factual error: In the scene where Redford's character enters through the secured entrance with the stolen key-card, it shows a printer printing the time he entered. Then after his walking and getting up to the top floor and trying to get past the voice verification system and having to do it twice, they show the same printer printing the time he passed that checkpoint, and it was only one minute later than the previous time. Even though seconds are not shown, all of these actions must surely have taken longer than 1 minute and 59 seconds.
Factual error: When all is back to normal and Ash is back at his job at S-Mart, a witch shows up and starts trashing the place. Ash is knocked behind the sporting goods counter, where there is (of course) a cabinet containing guns. Ash then jumps up and blows the witch away, firing 37 times. He's using a .38 caliber Winchester Model 1892 Saddle Ring Carbine with a "Trapper" loop lever. It only holds 9 rounds.