THE SIMPSONS: Homer's mother Mona (guest voice Glenn Close) pays the family an unexpected visit and then makes an unexpected exit in the "Mona Leaves-a" episode of THE SIMPSONS airing Sunday, May 11 (8:00-8:30 PM ET/PT) on FOX. THE SIMPSONS ™ and ©2008 TCFFC ALL RIGHTS RESERVED.Source: Fox
