"Funk" is the twenty-first episode of the American television series Glee. The episode was written by series creator Ian Brennan and directed by Elodie Keene. It premiered on the Fox network on June 1, 2010, and was watched by 9 million viewers. In "Funk", New Directions is intimidated by rival glee club Vocal Adrenaline. Jesse St. James defects back to Vocal Adrenaline, and New Directions explores funk music, knowing it is their rival club's weakness. The episode features cover versions of six songs, all of which were released as singles, available for download, and two of which are included on the soundtrack album Glee: The Music, Volume 3 Showstoppers.