I'm drawing a blank on "No, she's dead. This is her son." -- when was that?
When Mr. Shue asked the kids how they answer the phone, Kurt said it. There are some lines on the show that I miss, and only repeated viewings really catch them all.
Brittany is as dumb as wood, but man, oh man, is she hilarious. The actress delivers them with such wide-eyed sincerity that she steals every scene she's in.