| Title | Season | Episode # | First Aired |
|---|---|---|---|
| Moonshine River | 24 | 1 | September 30, 2012 |
| Mother Simpson | 7 | 8 | Sunday November 19, 1995 |
| Mountain of Madness | 8 | 12 | Sunday February 2, 1997 |
| Mr. Lisa Goes to Washington | 3 | 2 | Thursday September 26, 1991 |
| Mr. Plow | 4 | 9 | Thursday November 19, 1992 |
| Mr. Spritz Goes to Washington | 14 | 14 | Sunday March 9, 2003 |
| Much Apu About Nothing | 7 | 23 | Sunday May 5, 1996 |
| My Big Fat Geek Wedding | 15 | 17 | Sunday April 18, 2004 |
| My Fair Laddy | 17 | 12 | Sunday February 26, 2006 |
| My Mother the Carjacker | 15 | 2 | Sunday November 9, 2003 |
| My Sister, My Sitter | 8 | 17 | Sunday March 2, 1997 |
| Natural Born Kissers | 9 | 25 | Sunday May 17, 1998 |
| Ned 'N Edna's Blend | 23 | 21 | May 13, 2012 |
| New Kid on the Block | 4 | 8 | Thursday November 12, 1992 |
| New Kids on the Blecch | 12 | 14 | Sunday February 25, 2001 |
| O Brother, Where Bart Thou? | 21 | 8 | December 13, 2009 |
| Oh Brother, Where Art Thou? | 2 | 15 | Thursday February 21, 1991 |
| Old Money | 2 | 17 | Thursday March 28, 1991 |
| Old Yeller Belly | 14 | 19 | Sunday May 4, 2003 |
| On a Clear Day I Can't See My Sister | 16 | 11 | Sunday March 6, 2005 |
| Once Upon a Time in Springfield | 21 | 10 | January 10, 2010 |
| One Fish, Two Fish, Blowfish, Blue Fish | 2 | 11 | Thursday January 24, 1991 |
| Papa Don't Leech | 19 | 16 | Sunday April 13, 2008 |
| Penny-Wiseguys | 24 | 5 | November 18, 2012 |
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