Friends, Seinfeld, Heroes, The 4400, and FMA (even though it wasn't cancelled, it finished out the story line, but still :[ )
/That '70s Show --- Last season sucked
/Two and a Half Men --- not sure what the deal is with that
/Friends --- Have only watched seasons 1 through 8 so far.
/According to Jim --- last season(s) really sucked though
/Scrubs --- last seasons sucked