Continuity: The scene where the elementary school teacher asks his kid what they did that week. After he asks that question and Maizy raises her hand, look at the desk belonging to the girl in the row next to Maizy. It has crayons and other supplies on it. After the teacher calls Maizy's name, the shot goes back to her, showing the girl in the next row's desk completely empty.

Continuity: When Uncle Buck takes the kids to school for the first time and the car backfires, the kid who has his cap blown off, you can clearly see that his face is black with smoke before the car backfires.