Life in the Fast Lane, Bobby's Saga

To teach his son the value of a dollar, Hank makes Bobby get a job selling drinks at the racetrack, and tells Bobby to do everything his boss says.  What Hank doesn't know is that Bobby's boss, Jimmy Witchard, is a complete moron who makes Bobby do humiliating and even dangerous tasks.  Meanwhile, Boomhauer competes for the right to drive the pace car in the NASCAR race.