Continuity mistake: As the family is piling into their car to go to the costume party, Jim, who is carrying a large, balsa sailplane, accidentally snaps the tail and it falls sideways. In subsequent shots the tail is upright.
Continuity mistake: When Jim finally recognizes his mom, he hugs her with his arms outside hers. In the following shot from behind Jim, his arms are under his mom's.
Continuity mistake: As the internees begin the long march they leave through an arched gateway. A bonfire burning outside the gates changes sides from one shot to another.
Continuity mistake: When Jamie is about to steal the soap, he places the boots on a plank right next to a beam. In the next shots the beam is much further away.