The twelfth season of King of the Hill originally aired Sundays at 8:30–9:00 p.m. (EST) on the Fox Broadcasting Company from September 23, 2007, to May 18, 2008.

[1][2] The showrunners for the season were John Altschuler and Dave Krinsky.

[3] Bill becomes involved with a single mother, Charlene, who once had an affair with John Redcorn, and, like Nancy Gribble, has a half-Native American child who, like Joseph Gribble, is ignorant of her biological father's identity.

Meanwhile, Joseph falls for Charlene's daughter, but everyone tries to keep him away from her as the two are half-siblings.Guest Star: Melinda Clarke as Charlene