Continuity mistake: When Ben picks up a flier from the ground, the nearby toolbox moves closer to him between shots, and many of the tools on the ground change too.
Continuity mistake: At the dinner table, when Charlie says that he'll get a new job in a week, in one shot Ben is playing with his chopsticks, but in the next he's not.
Continuity mistake: When Charlie comments on Ben's drawing, Ben is holding a yellow crayon in his hand. Suddenly in the next shot he is holding a purple crayon.
Continuity mistake: The third time the child services inspector shows up, Phil answers the door wearing excessive make-up, which was the result of a practical joke. In the first few shots , Phil's make-up is actually rather neat, with blue eye shadow, eye glitter, lipstick, etc. But after they enter the house seconds later, the lipstick is messier, the eyeshadow is smudged under his eyes, and the glitter nearly disappears.
Continuity mistake: A few minutes into the movie when they are discussing who will wear the broccoli costume, a woman with black hair and blue blouse is holding two cups of coffee, sits down and hands one cup to a man. A few seconds later she is still holding both cups and walking toward the table. (00:04:20)