Season 13 aired from November 6th 2001 to May 22nd 2002
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The DVD/Blu-ray was released August 24th 2010 (R1)
September 20th 2010 (R2)
December 01st 2010 (R4)
The eleventh season was released on DVD on 5th November 2008.
The Simpsons Season 11 on DVD will most probably be released in August 08. As you may have noticed Season 8 was released on August 06, Season 9 was December 06, Season 10 was August 07 but instead of releasing season 11 on December 07 they released the Simpsons Movie.
The eleventh season was released on DVD in the UK on 6th October 2008.
sometime this year? wont be long though..
Wednesday, September 2, 2009
19
I don't when will this single season will be released, but i know that the simpsons seasons 1-21 DVD box set has been released. If you are interested, just visit http://www.cartoon77.com/products/The-Simpsons-Seasons-1-21-DVD-Box-Set-cartoon-1996.HTML Wish this help.
'The Blunder Years' (5th episode, 13th season).
The 7th Season
The eleventh season was released on DVD in the UK on 6th October 2008, in US and Canada on 7th October 2008 and in Australia on 5th November 2008.
Presuming you mean the DVD, Season 11 released October 7th 2008. If by chance you mean when did it air, from September 26th 1999 to May 21st 2000.
season 20 because that was the season when the simpsons became in high definition