"Pilot" is the pilot episode of the American television series Glee, which premiered on the Fox network on May 19, 2009. An extended director's cut version aired on September 2, 2009. The show focuses on a high school show choir, also known as a glee club, set within the fictional William McKinley High School in Lima, Ohio. The pilot episode covers the formation of the club and introduces the main characters. The episode was directed by series creator Ryan Murphy, and written by Murphy, Brad Falchuk and Ian Brennan. Murphy selected the music featured in the episode, with the intention of maintaining a balance between showtunes and chart hits.