Lois discovers that she has a brother. He's a patient in a mental institution, but he doesn't seem unusual--at first.
Meanwhile, Peter's doctor tells him he's overweight, and Peter decides to do something about it: He forms the National Association for the Advancement of Fat People.
original airdate--November 27,2005 rating--9.85 million
Musical Numbers: NAAFP Anthem (DVD only), The Longest Time