All or Nothing (Glee)

"All or Nothing" is the twenty-second episode and season finale of the fourth season of the American musical television series Glee, and the eighty-eighth episode overall. Written by Ian Brennan and directed by Bradley Buecker, it aired on Fox in the United States on May 9, 2013. Patty Duke and Meredith Baxter make their only appearances as a lesbian couple, Jan and Liz, who were briefly considered for an ongoing storyline.^[1] Jessica Sanchez returns as Frida Romero, a powerhouse singer for a show choir competing against McKinley High's New Directions at Regionals. Meanwhile, Rachel is auditioning for a Broadway role. Brittany develops an unusual attitude and gives out weird demands and Blaine reveals that he plans to propose marriage to Kurt after he meets a lesbian couple who legally marry. Brittany finally reveals she was given an acceptance into MIT and says a tearful goodbye to her friends including Santana and Sam, Ryder refuses to perform at Regionals unless a "Catfish" is revealed and Will and Emma get married in the choir room.

The episode received generally negative reviews, and most critics felt the episode forced due to the multiple plots in it, but enjoyed the musical performances of Sanchez.

Upon its initial airing, this episode was viewed by 5.92 million American viewers and received a 2.0/6 Nielsen rating/share in the 18–49 demographic. The total viewership was up slightly from the previous episode, "Wonder-ful", which had been broadcast one week previously.