Factual error: There would not be that many leaves still on trees in December in Grand Rapids, Michigan. The snow looks very fake and sprayed on in some shots.
Factual error: The Fleming family flies home on a United 727. The movie is set in 2016, but United retired the last of their 727 fleet in 2003.
Audio problem: When James Franco is in the bed with the parents, there is one shot where he is not facing the camera but still talking. His mouth is moving but not matching with what he is saying.
