Character mistake: When Thunder Jack first arrives at the cabin to buy the dogs from Ted, you hear him yell whoa to stop his sled dogs. After Ted is sprayed by the skunk, Thunder Jack is explaining the proper way to stop the sled dogs and says that you yell "hook and brake".
Character mistake: Garfield calls two different dogs Boomer. The first is a white dog at the vet. The second is in the scene at the train station when the dogs from the pound come in Garfield calls Spanky, the brown dog, Boomer.
Character mistake: On the sign outside Dr I.Q. Hi's headquarters, the word "Stratosphere" is spelled "Stratopere."
Character mistake: Mitch and Hecky are experienced ranchers - so why, when they are all camping, would they leave all the food out in the open within easy reach of bears and other wildlife?
Suggested correction: Is this in reference to when Vicky throws the food everywhere? Mitch is obviously already up and about in this scene as he is wearing shaving cream. That may be food he has put out for breakfast for when everyone else gets up.
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 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: In the "Casey At The Bat" sequence, the narrator says "The score is 4 to 2 with but an inning left to play." However, the scoreboard shows that eight and a half innings have been played, and only a half-inning remains.
Character mistake: The registration number of the stolen van is GPW729 but every time it mentioned in the dialogue it is stated as GPW927.
Character mistake: Big Ben is loaded feet first into the ambulance, he should've been loaded head first.
Character mistake: During the military parade, check the lady behind the soldier on the left. She can't help stare at the camera the whole time before the soldiers arrive. (00:07:03)
Character mistake: When Harry takes the kids to his business, he's showing them how he "restores" cars. After putting the bumper on, Harry says, "Transmission. The sawdust quietens the gears and let's the engine run as sweet as a nut." Putting sawdust into the transmission would not change how the engine runs as they are two separate components. It may make the transmission quieter but would have zero effect on the engine.
Character mistake: During the movie the cat Winky is referred to as male, but much later in the movie is referred to as female.
Character mistake: When Jernigan chases the car, he tells the team, "It's heading south on Adams." The toy car then turns left, which means that the car should be heading east. However, Jernigan tells the team that the car is headed west.
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.
Character mistake: In the Swedish version, Riley's first name is changed to Jenny. However, in the scene where Joy, Sadness, and Bing Bong are inside the soundstage of Dream Productions, the director can be heard calling Riley by her original name twice. (00:52:40 - 00:53:40)
Character mistake: When Gwen Piper is talking to Aggie in the soup pot at the beginning of the movie, Aggie addresses Gwen as Linda.
Suggested correction: Aggie says Gwen darling.
Character mistake: When Princess Mombi is sleeping she is snoring, but she has no head.
Character mistake: The batter hit a line drive hit over the second baseman Garcia's head. The pitcher Bass whips his head to his left as the ball goes to right or right center field. The announcer said there's a base hit to left field when it was right field.
Character mistake: When Mike fights by the concession stand at the mall, the Reuben sandwich is misspelled on the menu in "Rueben." (00:06:35)
Character mistake: When Fred and Barney are about to be hanged, Betty and Wilma are in the car on their way to save them. Betty calls Wilma 'Willa' instead of Wilma. (01:09:00)