Terri, Howard and Sue are up to no good in this scene. They're plotting to stop the glee club from going to nationals.
Added:
Sing it, Rachel! Lea Michele belts out another winning in this scene from Glee.
Added:
Kurt does his thing on stage here. It's a scene from the episode "Funeral."
Added:

Glee Season 2 Episode 21 Quotes

Honey Badger I am lactating with rage!

Sue

You kind of sing and dance like a zombie who has to poop.

Jesse