There are a few reasons: Some of the characters use coarse or demeaning language, there is physical violence on the show and interpretations of intense bullying situations, as well as depictions of romantic relationships.
Glee - 2009 I Do 4-14 is rated/received certificates of: USA:TV-14
Throwdown - Glee - was created on 2009-10-14.
Glee is rated tv-14 for sexual content.
The Third Season of Glee is expected to come out on August 14, 2012.
Season 3 of Glee is coming out August 14, 2012 on DVD.
Glee - 2009 I Do 4-14 was released on: USA: 14 February 2013 Japan: 12 May 2013 Spain: 13 August 2013
Mash-Up - Glee - was created on 2009-10-21.
No, anyone wishing to audition for The Glee Project must be 18 years of age or older.
Glee - 2009 New New York 5-14 was released on: USA: 1 April 2014
Glee - 2009 Blame It on the Alcohol 2-14 is rated/received certificates of: Brazil:16 (DVD rating) Netherlands:AL
go on bbc iplayer and type in glee and it will come up with all the series of glee
September 14, 2010