King of the Hill - Season 12 Episode 3 -

Hank encourages Bobby when he is asked to cheerleader for the girls in the school's annual Powder Puff game. Bobby soon learns that there is a tradition and Hank, Bill, Dale and Principal Moss were once "Powder Puff Boys" themselves. However, the boys learn that Peggy and the PTA Are trying to put a stop to the tradition.