Well, earlier today I was checking Petitiononline & I came across 4 Seinfeld petitions. Here are the links to the Seinfeld petitions:
http://www.petitiononline.com/ChrisFXB/petition.html
http://www.petitiononline.com/seindvd/petition.html (this one has around 11110 signatures)...
Well, there is a petition to Create Seinfeld episodes on DVD (this petition has 1392 signatures right now) & is located at http://www.gopetition.com/region/237/213.html