when was the last episode of king of the hill
To Sirloin with Love. To Sirloin with Love is the twentieth episode of the thirteenth season as well as the series finale of King of the Hill (although it was not the last new episode to air) and originally premiered on September 13, 2009 on Fox Broadcasting Company. The episode was written by Jim Dauterive, Tony Gama-Lobo, Rebecca May, and Christy Stratton.