<Li> Glee (season 4) </Li> <Li> List of Glee episodes </Li> <P> "The Break Up" is the fourth episode of the fourth season of the American musical television series Glee, and the seventieth episode overall . Written by Ryan Murphy and directed by Alfonso Gomez - Rejon, it aired on Fox in the United States on October 4, 2012, and features the end of several long - established romantic relationships on the show: the couples Finn and Rachel, Kurt and Blaine, and Santana and Brittany all break up . </P> <P> In New York City, Rachel Berry (Lea Michele) reunites with her former fiancé, Finn Hudson (Cory Monteith), who has been discharged from the Army, and gives him a tour through the New York Academy of Dramatic Arts (NYADA), causing Finn to feel out of place . Meanwhile, in Lima, Blaine Anderson (Darren Criss), feeling neglected by his boyfriend, Kurt Hummel (Chris Colfer), who is busy with his work at Vogue.com, cheats on him . Finn and Blaine sing Duncan Sheik's "Barely Breathing" and Blaine, feeling guilty, decides to surprise Kurt by visiting him in New York City . </P>

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