Glee - Season 2 - Eps 7: The Substitute
When Mr. Schuester gets sick, a substitute teacher takes over his Spanish class and the glee club and winds up winning over the whole New Directions clan. Meanwhile, when Sue fills in for Principal Figgins as McKinley’s top dog, she tries to flex her power on campus.
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