I remember visiting this website once...
It was called Download all 20 seasons of The Simpsons! (DVDRips & HDTV when available) - The Simpsons link - Fanpop
Here's some stuff I remembered seeing:
Download all 20 seasons of The Simpsons! (DVDRips & HDTV when available)
A community dedicated to tv shows. There you can find links to download all 20 seasons of The Simpsons...and more! Check it out!
This is the best cartoon ever...after Fritz the Cat, of course
The Simpsons Season 21 Episode 7, The Simpsons Season 21 Episode 7 Online, The Simpsons S21e07
Watch The Simpsons Season 21 Episode 5 Online, The Simpsons S21E05 The Devil Wears Nada
Free Download: Season 22 Episode 08 - The Fight Before Christmas (12/5/2010)
Watch The Simpsons Season 22 Episode 1 Online Megavideo