King of the Hill TV Show - King of the Hill Television Show - Yahoo! TV

Hank's father becomes part of a civilian police patrol, usurping Dale's self-proclaimed title of neighborhood protector. Toby Huss, Johnny Hardwick, Mike Judge.

Luanne helps Hank protest a grilling competition that bans propane; Peggy negotiates to see an infamous murder site. Elijah Wood, Mary Kay Place, Brittany Murphy, Kathy Najimy.

John Ritter, Kelly Clarkson and Ben Stein are guest voices as Bobby joins his school academic team as the expert in pop culture, but the pressure gets to him. Pamela Adlon, Lauren Tom, Tony Denman.

Johnny Depp is the voice of the yogi Hank sees for his injured back; Marg Helgenberger is the claims adjuster who suspects Hank's faking. Phil Hendrie, Toby Huss, Stephen Root.

Alyson Hannigan, Lindsay Lohan and Laura Prepon are guest voices in the eighth-season finale, as Bobby becomes a peer counselor, but gets personally involved with clients. Pamela Adlon, Breckin Meyer, Lauren Tom.

Alyson Hannigan, Lindsay Lohan and Laura Prepon are guest voices in the eighth-season finale, as Bobby becomes a peer counselor, but gets personally involved with clients. Pamela Adlon, Breckin Meyer, Lauren Tom.

In the ninth-season opener, Peggy's estranged mother summons her home to their Montana ranch, where Henry Winkler (cameo) is an uncooperative neighbor. Maddy: Joanna Gleason. Kathy Najimy, Mike Judge, Pamela S. Adlon.

Marion Ross plays an elderly woman who once lived in the Hills' house and returns for the holidays---to die there. And that gives Dale a business idea. Kathy Najimy, Mike Judge, Stephen Root.

Marion Ross plays an elderly woman who once lived in the Hills' house and returns for the holidays---to die there. And that gives Dale a business idea. Kathy Najimy, Mike Judge, Stephen Root.

Hank accompanies Cotton and his new friend Bill to Mexico to try to keep them from buying timeshare properties. But the salesmen are determined. Toby Huss, David Herman, Sal Lopez.

Hank's immaculately manicured front lawn is as good as gone when Peggy tries to horn in on the glory with her own contributions. Mike Judge, Kathy Najimy, Toby Huss.

Hank's immaculately manicured front lawn is as good as gone when Peggy tries to horn in on the glory with her own contributions. Mike Judge, Kathy Najimy, Toby Huss.

Hank's fight to correct an error on his driver's license is a red flag to newly patriotic Dale, who reports Hank as a threat to national security. Johnny Hardwick, Ashley Gardner, Mike Judge.

Jason Bateman plays a veterinarian who takes every expensive precaution as Hank becomes foster father to a GI's problematic pet. Stephen Root, Mo Collins, Mike Judge.

Jason Bateman plays a veterinarian who takes every expensive precaution as Hank becomes foster father to a GI's problematic pet. Stephen Root, Mo Collins, Mike Judge.

Hank cringes when an employee with personal problems turns to him for solace. Danny Trejo, Mike Judge, Breckin Meyer.

Hank's lapsed insurance policy puts him in an overprotective state, while Bill and Boomhauer carelessly experiment with deep-frying. Brittany Murphy, Breckin Meyer, Stephen Root.

Covert work by Hank and the boys turns a befuddled groundskeeper into a hero when his field is credited with hampering opponents. Christopher Lloyd, Tom Petty, Mac Davis.

Peggy follows Luanne onto a roller-derby team, where the tight-fisted owner prompts her to lead a revolt and form a team on borrowed money. Tom Petty, Dave Thomas, Mo Collins, Stephnie Weir.

Hank cringes when an employee with personal problems turns to him for solace. Danny Trejo, Mike Judge, Breckin Meyer.

Hank's lapsed insurance policy puts him in an overprotective state, while Bill and Boomhauer carelessly experiment with deep-frying. Brittany Murphy, Breckin Meyer, Stephen Root.

Peggy follows Luanne onto a roller-derby team, where the tight-fisted owner prompts her to lead a revolt and form a team on borrowed money. Tom Petty, Dave Thomas, Mo Collins, Stephnie Weir.

Hank's refusal to hire John Redcorn's band for the company party prompts the Native American to build his own casino to showcase the group. Tom Petty, Jonathan Joss, Trace Adkins.

Dale dons a disguise to defy Arlen's smoking ban, and Peggy sets out to uncover his identity. Tone Loc plays a bouncer. Johnny Hardwick, Kathy Najimy, Henry Gibson.

Hank talks Bobby into joining the track team, but the spot the boy lands isn't what Hank had in mind. Phil Hendrie.

Hank talks Bobby into joining the track team, but the spot the boy lands isn't what Hank had in mind. Phil Hendrie.

In the ninth-season finale, Bill finds happiness in a men's chorus, where the required devotion jeopardizes his Army career. David Herman, Ashley Gardner, Phil Lamarr, Stephen Root.

Hank tries to loosen up after realizing that his straitlaced manner isn't always appreciated by the guys; and Bobby invests in a metal detector.

Hank tries to loosen up after realizing that his straitlaced manner isn't always appreciated by the guys; and Bobby invests in a metal detector.

Bobby and Peggy both get jobs at the local paper, and both depend on others to do their work. And both get caught. Kathy Najimy, Johnny Hardwick, Mike Judge.

Volunteer Bill turns his home into a halfway house for alcoholics, and drafts Hank for help when the workload proves to be too heavy. Scott Klace, David Herman, Stephen Root, Kathy Najimy, Mike Judge.