The Simpsons - Elementary School Musical is the first episode of season 22 and number 465 overall in the series.
In this episode, Krusty the Clown invites Homer to the Nobel Peace Prize Ceremony in Oslo, Norway. Later turning out to be a hoax, Krusty is sued by the International Court of Justice for his numerous instances of public indecency. Meanwhile, Marge sends Lisa to a performing arts camp for a week.
The episode was written by Tim Long and directed by Mark Kirkland. Upon airing, it was met with mixed reception from television. "Elementary School Musical" was viewed by 7.8 million viewers and attained a 3.7/8 rating in the 18–49 demographic, according to Nielsen ratings. The episode features guest appearances from Lea Michele, Amber Riley, Cory Monteith, Jemaine Clement, Bret McKenzie, Ira Glass, and Stephen Hawking, as well as several recurring voice actors and actresses for the series.