Continuity mistake: When the dog leaps onto the cabinet, the contents inside fall out including the mop. The shot then switches to a ground shot showing more things fall. We see the mop fall again.
Continuity mistake: Suzanne's pregnant belly goes up and down throughout the movie without any regard to her gestation. In one scene, Suzanne rests her arms on her stomach and the next "day" she's cooking in the kitchen with a flat stomach. It's as if the movie was heavily edited and no one paid attention to her.
Continuity mistake: When the boy spills the milk on Nick, the milk lands below the pizza stain. A few objects then fall from the cabinet and the eggs fly onto Nick's shirt. The stain is then higher on the shirt.