Continuity mistake: When they jump in the pool, they drop the guitar. When they jump out their guitar is no longer in the pool.

Continuity mistake: When Danny gets shot at the end of the film, his paper flies out of his hand. But the very next shot of him shows that the paper is still in his hand being held over his head while he falls backwards. In one of the following shots the paper is back on the floor, but it's on the opposite side it should have been when it flew out of his hand. It's all shown in slow motion and it's very obvious.

Penny: Oh, come on, ladies. God wouldn't have given you maracas if He didn't want you to shake 'em.

Trivia: When the oldest boy is hit in the face with a basketball, he blurts out "Oh, f***!"

Question: Who sings "Jingle Bells" in the theatrical trailer?

Other mistake: When Iron Man and Iron Monger are fighting, Iron Man catches the SUV, and you can see the family inside the car. Although the car is completely vertical, the hair of the people in the car seems to defy gravity.

Continuity mistake: Before the race in Thomasville Cruz has the 20 number only on her right side but later she has the number also on her left.

Continuity mistake: Chief is tied to his kennel around the collar. But when Copper cuddles up to him for the first time, the rope tied to his collar disappears for a shot. (00:10:35)

Hamster

Revealing mistake: While Poe leads the aerial assault on the oscillator, in the closeups of Poe and other X-wing fighter pilots, note the cockpit windows at the pilots' left and right have identical marks and scratches in their individual X-wings. It's particularly noticeable when one closeup follows another.

Super Grover