Komedy King Kramer

Michael Richards took Seinfeld's battling a heckler plot 8,000 steps too far over the weekend, calling a black heckler at his show a very, very bad word. Of course, TMZ.com caught it all on video - and you can watch the video there. Richards, famous for playing Kramer on Seinfeld, apologized on the David Letterman Show. Check that out below.