The ninth and final season of Seinfeld began airing on September 25, 1997, and concluded on May 14, 1998 on NBC.

Seinfeld was produced by Castle Rock Entertainment and aired on NBC in the United States.

The executive producers were Jerry Seinfeld (showrunner), George Shapiro, Howard West, Alex Berg, and for the final episode Larry David, with Tom Gammill and Max Pross as supervising producers.

[2] The show features Jerry Seinfeld as himself, and a host of Jerry's friends and acquaintances, which include George Costanza, Elaine Benes, and Cosmo Kramer, portrayed by Jason Alexander, Julia Louis-Dreyfus and Michael Richards, respectively.

The website's critics consensus reads, "In its final season, the cynical show about nothing goes out defiantly on its own terms – even if means alienating fans who may have wanted things to end differently.