Continuity mistake: When eating dinner at Stone and Audrey's house, Debbie has BBQ sauce on her cheek, the next shot she doesn't, the next shot she does and Stone wipes it off. (00:54:00)
Continuity mistake: Russell asks Debbie to try and slam his arm in the car's door to show its sensor. After she slams his hand the second time, the door remains open. In the next shot, it is closed. In the next wide shot, the door is now open again.
Continuity mistake: When the car blows up after the dad stabs buttons on the key-fob, the younger boy is standing at the edge of the road and on his mother's left. In the very next shot from in front of the family, the younger boy is now suddenly off the road and on his brother's right. Also the shadows of the family varies in the same two shots, from long in the rear shot to short in the front shot.
Continuity mistake: The scene at Debbie's old college takes place in Memphis TN, then the Griswold's drive for a few hours on the interstate and then see a sign saying Welcome to Arkansas. Arkansas is located right across the river from Memphis TN.
Continuity mistake: When Rusty finds the book on failing marriage, he removes the book jacket, but when Debbie throws it in the garbage the jacket is back on the book.
