I was watching 24 last Monday. At one point Kim Raver's character (name forgotten) needs to use a phony name while talking to someone on the phone. She dials the phone, and when it's answered she says, "Hello, this is Jane Espenson..."
I almost fell over laughing.
Jane Espenson, of course, is a TV writer who wrote for Buffy, Angel and, of course, Firefly (the episode "Shindig").