Season 1
1989-1990 (13 Episodes)
Season 2
1990-1991 (22 Episodes)
Season 3
1991-1992 (24 Episodes)
Season 4
1992-1993 (22 Episodes)
Season 5
1993-1994 (22 Episodes)
Season 6
1994-1995 (25 Episodes)
Season 7
1995-1996 (25 Episodes)
Season 8
1996-1997 (25 Episodes)
Season 9
1997-1998 (25 Episodes)
Season 10
1998-1999 (23 Episodes)
Season 11
1999-2000 (22 Episodes)
Season 12
2000-2001 (21 Episodes)
Season 13
2001-2002 (22 Episodes)
Season 14
2002-2003 (22 Episodes)
Season 15
2003-2004 (22 Episodes)
Season 16
2004-2005 (21 Episodes)
Season 17
2005-2006 (22 Episodes)
Season 18
2006-2007 (22 Episodes)
Season 19
2007-2008 (20 Episodes)
Season 20
2008-2009 (21 Episodes)
Season 21
2009-2010 (23 Episodes)
Season 22
2010-2011 (22 Episodes)
Season 23
2011-2012 (22 Episodes)
Season 24
2012-2013 (22 Episodes)
Season 25
2013-2015 (23 Episodes)
Season 26
2014-2015 (22 Episodes)
AUDIO COMMENTARY STRAIGHT FROM THE SOURCE
WATCH EPISODES FROM SEASON 18 WITH COMMENTARY FROM THE WRITERS, ACTORS, DIRECTORS, AND ANIMATORS OF THE SIMPSONS.