There are currently 4 complete seasons of Glee, but they have signed on to do an additional 2 seasons, meaning there will be 6 seasons so far. (As of summer 2013).
there has been 2 seasons of glee but the 3rd one is going to air on the 20th September in the US and the 22nd of September in the UK.
There have been two seasons of Glee so far. The third season is set to begin in the fall of this year (2011).
Glee has so far released 2 seasons (22 episodes per season) and they are currently filming season three which starts in September :)
Two seasons. The episodes playing now are part of the second season.
There are currently 2 full seasons (as you probably already know) and a 3rd season which has already started to air, so hopefully there will be more in the future.
As many as they possibly can
3 with a 4th planned
Cory appears in person for four seasons, and is paid in homage to in the fifth season in "The Quarterback".
By buying all of the seasons on DVD.
Just one. The first series was split into two parts, so it may seem like there's been two seasons, when there's actually been only one.
On April 9, 2012, Fox renewed Glee for a fourth season. Ryan Murphy has confirmed that all regular cast members from the third season will be returning to the show for its fourth season, though "it doesn't mean everyone will be doing 22 episodes".
Glee has 5 season but some people say that there are 6
3 with a 4th planned
Cory appears in person for four seasons, and is paid in homage to in the fifth season in "The Quarterback".
Season 1 is out and half of season 2 is out on Netflix
Two, at this time (8 January 2011) there are two seasons and a third has been already recognised.
You can watch all seasons of Glee on Netflix.
They stayed in The Four Seasons.
By buying all of the seasons on DVD.
In the summer of 2010, Glee reruns of seasons 1-2 are on Thursday at 9/8central
don't know but glee is awesome
Just one. The first series was split into two parts, so it may seem like there's been two seasons, when there's actually been only one.
Yes, though I think they are in between seasons right now.