Continuity mistake: When the girl is looking up the fire engine in the oversized book, the little blonde boy in the red T-Shirt on the stool next to her changes the position of his head and hands between shots as she brings the book to the desk.
Factual error: When the girls talk at the beginning of the movie, they can fully hear and understand each other even when they are at massive distance from the webcams they are supposedly using to communicate.
Continuity mistake: Anxious to gift-wrap more pork, Angela scuttles by her uncle and tries to take over. He replies "Brown paper and tape", and she desists. This short exchange consists of three cuts where Christina Milian's hand goes up, is down but off the counter, and then down on the counter. (00:00:45)
Continuity mistake: Throughout the movie, Cinderella's hair goes from loose to being tied into a ponytail.
Continuity mistake: Benny asks Squints how his wife is doing. He married Wendy Preffercorn in the first Sandlot, where it stated they had 9 kids, but Squints tells Benny that they had 4 kids.
Continuity mistake: When Garfield and Odie are on a fence trying to "leap" into the comic world, Odie's bone disappears in the close up shot and does not come back throughout that scene. (00:51:45)