Character mistake: When the two main characters are approached by the coach in the school, they make a bet on how many times the coach will say sh*t, the coach says it 9 times, but Nick says that there were ten.
Character mistake: About 3/4 of the way through the movie, when Jennifer Aniston is talking to Ben Affleck, she calls him Ben instead of his character's name Neil.
Character mistake: When Mr Maddens is talking to the critic at the Mayor's reception, he calls him Alan. The character is actually called Patrick Burns, Alan is the actor's name.
Character mistake: In the scene where Rick Marshall is playing the Banjo, he says he has been "doing some thinking with just him and the old four string". His banjo has five strings and you can see the five strings when he lays the banjo down.
Character mistake: In the film, five items are stolen: the Magna Carta, the Turin Shroud, the Imperial Sword of Japan, the Pope's ring and the Pink Panther diamond. When Alfred Molina's character is challenged that they had found everything but the Pink Panther, he protests that 3 out of 4 is not bad, that's 75%. In fact, they had found 4 out of 5 or 80%.
Character mistake: Just after the birth of Mona's child, Farhan recollects "uss waqt agar Virus kehta kay mera pouta engineer.". In fact the child is not his "pouta" but his "nata"
Character mistake: If you ever called a Marine Sergeant Major "Sarge", he would probably kill you. It just wouldn't happen. That's an Army thing. Also, Marines say "ooh-rah", not "hoo-ah". That's also an Army thing.
Character mistake: Candy's full name is Candace Washington, which is referred to in the movie, yet when she is released early from prison, the correction officer calls her Candace Collins.
Character mistake: When Tallahassee firsts meets Bill Murray, He says "six people left in the world and you're one of them." At that point they only know of 5 - the 4 main characters and Bill Murray.
Suggested correction: His character thinks there was another woman that Columbus hooked up with in the back of a FedEx truck.
Character mistake: When Bruno is picking up baby OJ, on the subtitles it says '13 pounds of black gold' whereas Bruno says 'vierzehn' which, in German means 14, not 13.
Character mistake: The Finnish businessman says something along the line of "As Scandinavians - we like her". Scandinavia includes Norway, Sweden and Denmark, never Finland (or Iceland); a Finn would know that.
Character mistake: Near the end of the movie Godfrey says "I'll try to send the birds to the sea," but when he redirects the birds the operator says the birds are going back to the base.
Character mistake: When John and Cassie are in the school library and look up about the disease, the book caption reads: "arm amuptation." The word amputation is misspelled.
Character mistake: The opening shot of the movie pans across a fence supposed to enclose the hunting reservoir of the royal family of the fictitious kingdom of Vespania. Judging by the sign on the fence, the official language of the country must be EngRish; the sign says "Land Demesne We knownothing [sic] about FIRE!", citing also as source for these cryptic messages the "internal secuLity act of 1950." (00:00:01)
Character mistake: When everyone starts counting down to blow up the Violet Dwarf, everyone starts at 10 downwards. Yet 40 seconds later, they are still counting down. (01:19:40)
Suggested correction: Its very common for movies and TV shows to do this. Just because they say 10 seconds doesn't they can't spend more time going through the thoughts in Fry's head.
Character mistake: In a scene on Johnny Whitefeather's patio, his son is referred to as a "ten-year-old boy." Later, in a business meeting, Whitefeather says his son is nine.