We already knew that Glee could do humor, singing and dancing. But on the episode “Mattress,” we learned the Fox hit could do serious drama, as well. Sure, there have been emotional scenes in past ...

The new GLEE episode 'Mattress' airs, Wednesday, December 2nd, (9:00-10:00 PM ET/PT) on FOX. You can see a sneak peek at the upcoming episode of the hit show right here on BWW! Recommended Videos Jul ...