Character mistake: The card that Speedy leaves for George to read says "Speedy Gonzalez" instead of the traditional "Speedy Gonzales."
Character mistake: On the mailbox where Linus delivers his letter, on the side of the Mailbox is written "U.S Mail." That should be on the letter, not the mailbox. There should also be a period after the S making it U.S. Mail.
Character mistake: Lucy refers to fear of cats as "ailurophasia", which is incorrect; fear of cats is called "ailurophobia."
Character mistake: Early in the film in the scene in which Precious is in math class just before being called to talk to the principal, on the blackboard someone, presumably the teacher, has written REQUIRMENT, which is a misspelling of "requirement"
Character mistake: The hand bill identifies the company as Slipp-Skipp and Tripp. The sign on the door says Slipp, Tripp and Skipp.
Character mistake: The sign outside the Fortune Teller's tent says "Madame Zaza", but when Droopy enters the tent, Spike introduces himself as "Madame Zazu."
Character mistake: During the opening fight Jackie lands a punch on her opponent just after the round ends. The referee should've warned her about this as it's illegal in MMA to do this, and he didn't.
Character mistake: When we see the sign in the window of the music shop, it reads "This Week Dance Record" which doesn't make much sense. Surely it was meant to read "This Week's Dance Record."
Character mistake: On the side of the boomerang box, there are words reading "Return's to owner." It should read "Returns to owner."
Character mistake: The score board during the game shows the Gas House Gorillas have the scores 10, 28, 16 and 42, for a total of 96 runs. But later on the announcer gives the score as "Bugs Bunny 96, Gas House Gorillas 95."
Character mistake: On the sign outside Dr I.Q. Hi's headquarters, the word "Stratosphere" is spelled "Stratopere."
Character mistake: When Tom opens the "Life with Tom" book to Page VII, we see the page and there is a typing error in the very first line. The word wasn't is misspelled as "was'nt."
Character mistake: When Bugs is reading the book, he says "Octopuses", but when we see a close-up of the book, it reads "Octopus."
Character mistake: On a pillar in the department store, there is a sign saying "Bear, Tiger, Zebr Skins." It should read "Zebra."
Character mistake: At the beginning of the cartoon, there is a sign which reads "IF YOURE LOOKING FOR FUN" with no apostrophe.
Character mistake: When Cruise goes to see if the Champ is OK, he says his boss bet all the money on the race. It was not his boss who bet the money, it was Lugnut who bet the money. (00:25:10)
Character mistake: As the camera pulls back from the truck, the Level 3 Sentry on the ridge looks up and fires rockets into the sky for no reason while the enemies are advancing from in front. (00:01:10)
Character mistake: After Santa gives the children new clothes, Ray says that he and the mother can now raise the 9 children. The mother points out that they only have 2, but he points to the group of orphans to include them. However that makes only 7 children.