King of the Hill Season 7 Episode 16 - The Miseducation of Bobby Hill Episode Title:The Miseducation of Bobby Hill.Episode Description:Bobby becomes a salesman at Strickland Propane (although Hank doubts his ability, citing his inexperience) and uses underhanded tactics from Joe Jack to sell more grills. Meanwhile, Dale builds a Larry Walters-inspired flying lawn chair and tests it out on Bill, who ends up battered, bruised, and lost in Mexico.