Below are a list of changes made to the stories of the Harry Potter books when they were adapted into feature films. They occur for a number of reasons, one of them being that films require the story to be significantly shortened (such as the removal or shortening of various sub-plots that are irrelevant to the main story). In the films, house points play a major role only in the Philosopher's Stone. In the other films, almost all mention of house points are omitted (except for two...
