When spencer tells adam he broke the head board adam puts a hand to his forehead but in the next scene his hand is by his side.
When mona and dee dee are talking in dee dee place dee dee puts a piece of paper on the table but in the next scene she puts it down again.
When spencer and aurora call dee dee and mona the camera shows the kitchen and there is a box that has the name blacked out (it is clearly a jiffy box) that is facing forward but in the next scene it is facing backward.