Glee - Season 1 - Eps 3: Acafellas
As Will aims towards completing New Directions, a visit from his father reminds him how much this all means to him. New songs are introduced and a song originally given to a star, is given to a celibate. Will forms an all-male a cappella group, but when he neglects the glee club, the kids decide to hire a well-known choreographer to coach them. Meanwhile, Mercedes falls in love. The other six additions to New Directions are introduced. Josh Groban appears as himself.
About Glee

Title: Glee
First Air Date: 2009-05-19
Last Air Date: 2015-03-20
Status: Ended
Rating: 6.8/10 (from 849 votes)
Language: EN
Seasons: 7
Total Episodes: 121
Network: FOX
Genres: Comedy, Drama
Production Companies: 20th Century Fox Television, Ryan Murphy Television, Brad Falchuk Teley-vision
Synopsis
In this musical comedy, optimistic high school teacher Will Schuester tries to refuel his own passion while reinventing the high school's glee club and challenging a group of outcasts to realize their star potential as they strive to outshine their singing competition while navigating the cruel halls of McKinley High.
Cast

Lea Michele
Rachel Berry

Chris Colfer
Kurt Hummel

Matthew Morrison
Will Schuester

Jane Lynch
Sue Sylvester

Dot-Marie Jones
Sheldon Beiste

Chord Overstreet
Sam Evans

Darren Criss
Blaine Anderson

Amber Riley
Mercedes Jones

Kevin McHale
Artie Abrams