Tune Number 1
Don't Rain on My Parade
While Karofsky was busying unaliving himself, who sang "Cough Syrup?"
Blaine Anderson
While helping prepare for Emma and Ken's wedding, Will Schuester sang what song to Emma in anticipation to do a mash-up with "I could Have Danced All Night."
"The Thong Song"
After much fan demand, this Broadway star came onto the show to perform as Rachel Berry's mother Shelby.
Idina Menzel
"Who is Josh Groban?"
"Who is Josh Groban ___ ___ ___!!!!!!"
"Who is Josh Groban kill your self!!!!!"
Tune Number 2
"Jessie's Girl"
Some say it's better than the original, who sang the duet of "Creep" by Radiohead?"
Rachel and Brody
Rather than help a transgender student use the staff gender neutral bathroom, Will Schuester instead chose to stand his ground on ____.
Twerking
Appearing as Will Schuester's high school rival, this celebrity guest star played a high school has-been Bryan Ryan.
Neil Patrick Harris
"I wanna get married. Now"
"__ _ ___ ___"
"But I have gym."
Tune Number 3
"Run Joey Run"
After a life threatening car injury, these two characters sang "I'm Still Standing" while in Wheelchairs.
Artie and Quinn
Threatened by Sunshine's talent, Rachel Berry send this talented young singer where?
A crack house. Well, it wasn't an active crack house.
Starring as the talent director at NYADA, this famous woman's character is often criticized for accepting Rachel but not Kurt.
Whoopi Goldberg
Jacob Ben Isreal "___% ___"
100% Gay
Tune Number 4
"Nutbush City Limits"
A secondary character, who sang the iconic "I know What Boys Like?"
Lauren Zizes
While defending his title as a Spanish Teacher, Will Schuester performed a Mariachi style bilingual arrangement of this song while performing a dance stylized to represent Mexican Bull Fighting.
"A Little Less Conversation"
Starring as himself, this famous singer/actor made a short cameo in season 1 at the request of Sandy.
Brittany: "__ ___ __ __ ____ ___?"
"Mr. Schu is he your son?"
Tune Number 5
"At the Ballet"
In the last season of GLEE this character sang "Mustang Sally" as their audition for the New Directions.
Roderick
In one of their last competitions, Schuester forced the one asian member of the Glee club Tina Cohen Chang to perform this Korean pop-hit from 2012.
Gangnam Style
Appearing very briefly as the coach of Vocal Adrenaline, this actor is known for his roles in musical theatre as well as another Ryan Murphy production "American Horror Story."
Cheyenne Jackson
Mr. Schu "What happened to us being a family?"
Santana "Oh please ___ ___ _ ______, ____ _ ______."
"Oh, please. She has a family, she's a mother."