All or Nothing (Glee)

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.

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.

Glee club director Will Schuester (Matthew Morrison) announces that Regionals will be held at McKinley High due to bad weather in the competition's original location, Indianapolis.

Returning to Lima, she becomes arrogant, refuses to perform at Regionals (unless she sings every song as a solo), leaves the Cheerios, and breaks up with Sam Evans (Chord Overstreet).

While shopping for a ring, he meets Jan (Patty Duke), a lesbian jeweler who has been with her partner Liz (Meredith Baxter) for many years.

After Will and former cheerleading coach Sue Sylvester (Jane Lynch) fail to get Brittany to change her attitude, Sam gets Santana Lopez (Naya Rivera) to return to Lima to intervene.

New Directions wins Regionals and return to the choir room, where guidance counselor Emma Pillsbury (Jayma Mays) shows up with an officiant and announces that she and Will are getting married immediately.

"[6] Special guest star Jessica Sanchez who made a cameo in "Lights Out", officially debuts as Frida Romero, the lead singer of the Hoosierdaddies a rival show choir for the New Directions.

Other recurring characters in this episode include McKinley High's guidance counselor Emma Pillsbury (Mays), McKinley's new cheerleading coach Roz Washington (NeNe Leakes), glee club members Sugar Motta (Vanessa Lengies), Joe Hart (Samuel Larsen), Wade "Unique" Adams (Newell), Marley Rose (Benoist), Jake Puckerman (Jacob Artist), Kitty Wilde (Becca Tobin) and Ryder Lynn (Jenner), and a producer of the Broadway revival of Funny Girl (Amy Aquino).

[9] Viewership and ratings were up slightly from those of the previous episode, "Wonder-ful", which was watched by 5.19 million American viewers and acquired a 1.9/5 rating/share in the 18–49 demographic upon first airing.

[14] Mary Ann Sleasman of TV.com said that the episode was "predictable" and she said that Brittany's early admission in MIT plot was weak and very excessive, also she criticized the writers for not taking the time to show us how Schue and Emma patched up their broken relationship.