Kristina Grosspietsch — Ever since Arrested Development went off the air, we've missed Jessica Walter's scathing insults as Lucille Bluth. Luckily, her guest role on last night's Big Bang Theory was another rich, sarcastic woman ridiculing everyone in her path.

Once Lucille Bluth, oops, I mean, Jessica Walters decides what she wants, she gets it. This time it's Leonard.