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The Substitute Spanish Prisoner is the one hundred-fourteenth episode of King of the Hill. It was first aired on March 3, 2002. The episode was written by Etan Cohen, and directed by Kyounghee Lim and Boohwan Lim. The episode title is a pun on the Spanish Prisoner con scheme and Peggy's job as a substitute teacher of Spanish and other subjects.

"I'm a genius!"


After handing back tests to her class, Peggy is dumbfounded when Dooley asks her to explain the answer to a question. To restore her self confidence, Peggy takes an internet IQ test and discovers she's a genius. She attends a seminar with other local 'geniuses,' one of whom is Jimmy Wichard which should have told Peggy something, and ends up buying a phony Ph.D. Angered that Peggy has spent their retirement money, Hank explains to her that she is the victim of a scam. Peggy must prove that she is smart by getting the money back, and is inveigled into further dealings with the con man.

Cultural References

The con Peggy uses to try to get all their money back is called the Wire Game.


Stinger quote

  • Jimmy Wichard: Aah! She pulled her thumb off! Call a doctor!


Peggy Hill: What if I'm not as smart as I always thought. What if I'm... average?

Hank: Peggy, you have an IQ of 175. You said so yourself.

Peggy Hill: Well, there could be a margin of error. Especially since it's my own estimate.


  • Hank searches Dr. Vayzosa's Econo suit room for the money he's just scamming from Peggy. When Hank is knocking on the door, Dr. Vayzosa takes the money from the briefcase, leaving the briefcase on the bed, and places the money in the closet safe. When Hank begins to search the room, the briefcase is no longer on the bed, and has disappeared.


  • Peggy's at-home doctorate course took one night to complete, when it usually takes around six-to-eight years to finish a doctoral degree.
  • The toothpicks bit Dr. Vayzosa mentions is a reference to the movie Rain Man.  Dustin Hoffman's character Raymond is an idiot savant. He can multiply huge numbers instantly and provide the exact day of any date, but cannot say what 2 + 2 is.  There's a scene in the movie where a waitress drops a box of toothpicks and he instantly calculates exactly how many toothpicks are on the floor.
  • Robert Vayzosa was voiced by Jeff Goldblum.

Season 5 Season 6 Season 7

Bobby Goes Nuts · Soldier of Misfortune · Lupe's Revenge · The Father, the Son, and J.C. · Father of the Bribe · I'm With Cupid · Torch Song Hillogy · Joust Like a Woman · The Bluegrass is Always Greener · The Substitute Spanish Prisoner · Unfortunate Son · Are You There, God? It's Me, Margaret Hill · Tankin' it to the Streets · Of Mice and Little Green Men · A Man Without a Country Club · Beer and Loathing · Fun with Jane and Jane · My Own Private Rodeo · Sug Night · Dang Ol' Love · Returning Japanese · Returning Japanese II