Question: "Fabulous Faker Boy" is the 20th episode of the 24th season of "The Simpsons", it originally aired on the Fox network in the United States, on which date?

Context paragraphs:
Whiskey Business: "Whiskey Business" is the nineteenth episode of the 24th season of "The Simpsons" and the 527th episode overall, its name being a portmanteau of whiskey and "Risky Business".  It originally aired on the Fox network in the United States on May 5, 2013.  In its original airing, "Whiskey Business" was delayed 25 minutes in Eastern/Central Time Zones due to the end of a NASCAR race at Talladega Superspeedway which was delayed more than 3⁄ hours due to rain.

The Changing of the Guardian: "The Changing of the Guardian" is the eleventh episode of the 24th season of "The Simpsons" and the 519th episode overall.  It originally aired on the Fox network in the United States on January 27, 2013.  The title "The Changing of the Guardian" is a pun on the term the changing of the guard.  The episode received negative reviews by critics.

The Simpsons 138th Episode Spectacular: "The Simpsons 138th Episode Spectacular" is the tenth episode of "The Simpsons"<nowiki>'</nowiki> seventh season.  It originally aired on the Fox network in the United States on December 3, 1995.  As the title suggests, it is the 138th episode and the third clip show episode of "The Simpsons", after "" and "Another Simpsons Clip Show".  While the "138th Episode Spectacular" compiles sequences from episodes throughout the entire series like the previous two, it also shows clips from the original Simpsons shorts from "The Tracey Ullman Show" and other previously unaired material.  Like the Halloween specials, the episode is considered non-canon and falls outside of the show's regular continuity.

The Simpsons (season 24): "The Simpsons"' twenty-fourth season began airing on Fox on September 30, 2012 and concluded on May 19, 2013.

Homerpalooza: "Homerpalooza" is the 24th episode of "The Simpsons"' seventh season.  It originally aired on the Fox network in the United States on May 19, 1996.  The plot focuses on Homer joining the "Hullabalooza" music festival as a carnival freak.  The episode title is a play on the Lollapalooza music festival.  It was the last "The Simpsons" episode written by Brent Forrester and the last episode directed by Wes Archer.  Peter Frampton and musical groups The Smashing Pumpkins, Cypress Hill, and Sonic Youth guest star as themselves.

Dark Knight Court: "Dark Knight Court" is the sixteenth episode of the 24th season of "The Simpsons" and the 524th episode overall.  It originally aired on the Fox network in the United States on March 17, 2013.  The episode is dedicated to Janet and Maggy Reno's brother, Robert Reno, who died of Alzheimer's disease.

Homer Goes to Prep School: "Homer Goes to Prep School" is the ninth episode of the 24th season of "The Simpsons" and the 517th episode overall in the series.  It originally aired on the Fox network in the United States on January 6, 2013.

Pulpit Friction: "Pulpit Friction" is the eighteenth episode of the 24th season of "The Simpsons" and the 526th episode overall.  It originally aired on the Fox network in the United States on April 28, 2013.  The name is a pun on the film "Pulp Fiction".

The Saga of Carl: "The Saga of Carl" is the twenty-first episode of the 24th season of "The Simpsons" and the 529th episode overall.  It originally aired on the Fox network in the United States on May 19, 2013 in conjunction with the season finale, "Dangers on a Train".  The episode also features as guest stars then-Prime Minister of Iceland Jóhanna Sigurðardóttir and the Icelandic band Sigur Rós, who also scored original music for the episode, along with their own interpretation of the "Simpsons" opening theme.

The Fabulous Faker Boy: "Fabulous Faker Boy" is the 20th episode of the 24th season of "The Simpsons" and the 528th episode overall.  It originally aired on the Fox network in the United States on May 12, 2013.  Justin Bieber (as himself), Bill Hader, Jane Krakowski, and Patrick Stewart (as Vigorous Older Man) are credited as guest stars.  The name is a pun on "The Fabulous Baker Boys".

Supporting paragraphs: The Fabulous Faker Boy The Simpsons (season 24)
Answer: May 12, 2013