You're right ... and wrong. I only watched a few minutes and not a full episode. I don't even know the characters' names, let alone the name of the episode, so I can't answer your question.
I’m guessing the point is that many of us have only heard of her as an imitator of Palin. My family was so tired of ‘100 channels and nothing worth watching on’ that we disconnected our TV 6 years ago, and use it to watch DVDs...or leave it sitting idle in the corner.
It sounds like Fey is loved and adored in Hollywood. Oh golly. Am I surprised? You betcha...not!
According to Wiki: “30 Rock has been well received by critics but has struggled to attract viewers.” The current season is the best rated (free publicity from the Fey-Palin flap?) at 69th, which is a big improvement from the 94/102 ranking previously.