Continuity mistake: When Buck tells his employees about his plan for "service with a hug" there's a closeup of Hank. In the next shot a car pulls up in front of Strickland Propane, and in the exterior shot the front door knob is at the right side of the door, but in the next interior shot the door knob is still at the right side of that door, though it should be on the left side. (00:03:45)

King of the Hill (1997)
1 mistake in Propane Boom (1)
Starring: Brittany Murphy, Pamela Adlon, Mike Judge, Kathy Najimy, Johnny Hardwick
Hank: Calm down, Boomhauer! I can't understand a word you're saying.
Trivia: One of the show's creators made a cartoon about a retarded pig. Boomhauer's voice is based on the voice of an angry viewer who called when he was offended by the cartoon.
Suggested correction: The person was actually complaining about "Beavis and Butthead." For some reason, they called the show "Porky's Butthole."
To Sirloin with Love - S13-E20
Question: What is Boomhower's occupation?
Answer: Jeffrey Boomhauer is a Texas Ranger as can be seen in the final episode at the end when he sets his wallet down, it flips open revealing a Texas Ranger badge.
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