BILL BULKS UP AND THE HILLS CELEBRATE A VERY SPECIAL WEDDING ON THE 1-HOUR SEASON FINALE OF "KING OF THE HILL" SUNDAY, MAY 20, ON FOX

While trying to get in shape for his physical at work, Bill bulks up and befriends a group of body builders who essentially take him hostage in his home gym. Bill's aggressive attitude upsets the neighbors and when Bill becomes a meathead just like his trainer, the guys have to save Bill from the world of weight training. Meanwhile, when Luanne decides she wants an expensive wedding, Lucky (Tom Petty) sues Dale when he takes a fall on the job. It's up to Hank to convince Lucky of the evils of frivolous lawsuits and to spend his money wisely in "Bill, Bulk, and the Body Buddies/Lucky's Wedding Suit," the season finale of KING OF THE HILL airing Sunday, May 20 (7:00-8:00 PM ET/PT) on FOX. (KH-1111/1005) (TV-PG D, L)

Voice Cast: Mike Judge as Hank Hill, Octavio & Boomhauer; Kathy Najimy as Peggy Hill; Pamela S. Adlon as Bobby Hill; Brittany Murphy as Luanne; Johnny Hardwick as Dale; Stephen Root as Bill, Paramedic and Strickland; Ashley Gardner as Reverend Stroup and Nancy; David Herman as Jimmy Wichard and Johnson; Toby Huss as Cotton, Joe Jack and Kahn; Lauren Tom as Minh and Connie; and Jonathan Joss as Redcorn.

Guest Voice Cast: Henry Gibson as Bob Jenkins; Dennis Burkley as Carl; Breckin Meyer as Joseph; Danny Trejo as Enrique; Dave Thomas as Lane Pratley; Tom Petty as Lucky.