Next week, 'Glee' is turning back the clock -- way back to the days of disco. A preview clip of the 'Saturday Night Glee-ver' episode shows the cast performing disco classics, even though Mr.

'Glee' is back with a groovy new episode, which pays tribute to 'Saturday Night Fever,' and now Gleeks can get a sneak peek at the cast's performances of 'Disco Inferno' and 'You Should Be Dancing.' ...

As we celebrate the incomparable Jane Lynch on her 66th birthday, we are taking a deep, nostalgic dive into the defining role ...

As much as "Glee" is about ambition and future, it's also bound by the limitations of the past, and this week takes a look at whether certain club members can go backwards to go forward. "Glee" has… ...