When Lisa walks into the hotel room, she sits on a bed with rose petals arranged on it in a heart formation. Some of the petals move when she sits down, but in the next shot they are rearranged as though they hadn't moved at all. This happens a few times in different shots throughout the scene.
In the beginning scene, first day of school, tulips are blooming and tulips bloom in the spring, not in the fall.
During the car explosion on the back of Mitchel's head (Cena) running down the left side to his hip is a trail of blood. This is seen again from a back shot angle; however at the next scene after being dropped off Mitchel (Cena) turns his entire back to the camera and there is no blood present.
When Sam is in bed with Chad she is laying down and then when he rolls off her she is sitting up and then lying down again in the shot with no time between them.
When Lisa is on the phone when spying on Julie's texts she is standing by on the right of Hunter. In the next shot she is standing on the right of Mitchell with no time in between the two.
John Cena calls the kids millennials when in fact they are Gen Z. If they are graduating in 2018 that would mean they were born in 2000,
which is 4 years late of being a millennial.
In the acceptance letter from UCLA, "enclosed" is spelled "encolsed."
At 1h23:08, when Hunter talks about shoving Chad's fedora up his backside, he looks up and out of picture and gestures with his head and facial expression to someone, presumably the director, as if he knows he had made a mistake.
When the three parents are fighting in the car upon deciding to intervene, the car facing direction changes within shots between W (west) and SW (south west) as shown in the rear-view mirror.
When the parents chased the Lincoln Town Car limo, the scene shows the driver turn the volume up. However, that audio system belongs to a Chevrolet vehicle.
When Sam tells her dad to "act normal," her lips don't match the words.
Julie's acceptance letter from UCLA, an academic institution, has the word "enclosed" misspelled as "encolsed".