Continuity: When Samuel and Rebecca meet Marty and Gail at the doctor's they all walk out to their cars and you will see Marty's jacket un-buttoned, then buttoned, and then un-buttoned again throughout the scene.

Continuity: When Samuel and Rebecca wake up in bed at Sean's house, they pull back the sheets to find Gail and Marty's little girl hidden under the sheets. When they pull them back she is seen facing the headboard and she screams when they do. The camera angle changes to a side view and as her parents walk into the room, she is seen now facing the door.