When does King of the Hill return?

King of the Hill was created by Mike Judge and Greg Daniels in 1997. The show was one of Fox's longest-running series, with a total of 259 episodes over the course of its 13 seasons. It was named by Time in its 2007 list of "The 100 Greatest TV Shows of All Time" The show's celebrity guest stars include Texas Governor Ann Richards, Chuck Mangione, Tom Petty, Alan Rickman, Michael Keaton, Johnny Depp.
The show centers on the Hill family, headed by the ever-responsible, calm, hard-working, loyal, disciplined, and honest propane and propane accessory salesman Hank Hill. The punning title refers to Hank as the head of the family as well as metaphorically to the children's game King of the Hill. Hank typically serves as the de facto leader for his friends and family. Hank has a strained relationship with his mother, Tilly, a kind woman who lives in Arizona.