The Simpsons (1989): Season 17, Episode 12

17 - 12: My Fair Laddy

The Simpsons open up their home to Groundskeeper Willy after Bart accidentally destroys his house. But soon after his arrival, Willy's poor manners become the focus of a bet between Bart and Lisa, as she takes on the challenge of turning him into a proper gentleman. Meanwhile, Homer rips his favorite blue pants and starts an ambitious advertising campaign to reestablish the discontinued garment.