Continuity mistake: Before Hank fires Leon he is seen in the showroom foaming from the mouth and there is a door to his right. In the next shot when Hank is being talked to by Mr Strickland, there is now a bulletin board to Leon's right and the door has disappeared.
King of the Hill (1997)
1 mistake in Junkie Business
Starring: Brittany Murphy, Pamela Adlon, Mike Judge, Kathy Najimy, Johnny Hardwick
Hank: Calm down, Boomhauer! I can't understand a word you're saying.
More trivia for King of the Hill
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.