"Britney 2.0" is the second episode of the fourth season of the American musical television series Glee, and the sixty-eighth episode overall. Written by Brad Falchuk and directed by Alfonso Gomez-Rejon, it aired on Fox in the United States on September 20, 2012, and features Glee‍‍ '​‍s second episode dedicated to the music of Britney Spears.