Conversation overheard while walking behind a family who had just come out of a theater showing Harry Potter and the Order of the Phoenix...
Dad: That one didn't have much of a plot.
Mom: Well, they only had a couple of hours...they had to cut a lot of the book out to make it fit.
Dad: Yeah, but I still like a little plot in my movies.
Teenage Son: Oh, Dad, they all have the same plot anyway: Harry goes back to school after summer break, and Valdemort tries to kill him. The end.