| Title | Season | Episode # | First Aired |
|---|---|---|---|
| Treehouse of Horror VI | 7 | 6 | Sunday October 29, 1995 |
| Treehouse of Horror VII | 8 | 1 | Sunday October 27, 1996 |
| Treehouse of Horror VIII | 9 | 4 | Sunday October 26, 1997 |
| Treehouse of Horror X | 11 | 4 | Sunday October 31, 1999 |
| Treehouse of Horror XI | 12 | 1 | Wednesday November 1, 2000 |
| Treehouse of Horror XII | 13 | 1 | Tuesday November 6, 2001 |
| Treehouse of Horror XIII | 14 | 1 | Sunday November 3, 2002 |
| Treehouse of Horror XIV | 15 | 1 | Sunday November 2, 2003 |
| Treehouse of Horror XV | 16 | 1 | Sunday November 7, 2004 |
| Treehouse of Horror XVI | 17 | 4 | Sunday November 6, 2005 |
| Treehouse of Horror XVII | 18 | 4 | Sunday November 5, 2006 |
| Treehouse of Horror XVIII | 19 | 5 | Sunday November 4, 2007 |
| Treehouse of Horror XX | 21 | 4 | October 18, 2009 |
| Treehouse of Horror XXI | 22 | 4 | November 7, 2010 |
| Treehouse of Horror XXII | 23 | 3 | October 30, 2011 |
| Treehouse of Horror XXIII | 24 | 2 | October 7, 2012 |
| Trilogy of Error | 12 | 18 | Sunday April 29, 2001 |
| Two Bad Neighbors | 7 | 13 | Sunday January 14, 1996 |
| Two Cars in Every Garage and Three Eyes on Every Fish | 2 | 4 | Thursday November 1, 1990 |
| Two Dozen and One Greyhounds | 6 | 20 | Sunday April 9, 1995 |
| Viva Ned Flanders | 10 | 10 | Sunday January 10, 1999 |
| We're on the Road to D'ohwhere | 17 | 11 | Sunday January 29, 2006 |
| Weekend at Burnsie's | 13 | 16 | Sunday April 7, 2002 |
| Whacking Day | 4 | 20 | Thursday April 29, 1993 |
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