<P> `` The Finale '' is the two - part series finale of the American sitcom Seinfeld . They are the 179th and 180th episodes of the show and the 23rd and 24th episodes of the ninth season . It aired on NBC May 14 , 1998 to an audience of 76 million viewers . Its initial running time was 1 hour and 15 minutes . </P>
<P> `` The Finale '' is the two - part series finale of the American sitcom Seinfeld . They are the 179th and 180th episodes of the show and the 23rd and 24th episodes of the ninth season . It aired on NBC May 14 , 1998 to an audience of 76 million viewers . Its initial running time was 1 hour and 15 minutes . </P>
when did the last episode of seinfeld air
when did the last episode of seinfeld air
May 14 , 1998
May 14 , 1998