"Asian F" is the third episode of the third season of the American musical television series Glee, and the forty-seventh overall. Written by series co-creator Ian Brennan and directed by Alfonso Gomez-Rejon, it first aired on Fox in the United States on October 4, 2011. The episode features the introduction of Emma Pillsbury's (Jayma Mays) and Mike Chang's (Harry Shum Jr.) parents, and the final auditions for the McKinley High production of West Side Story, in which the competition between Mercedes Jones (Amber Riley) and Rachel Berry (Lea Michele) leads the former to quit New Directions.