Dave on Demand: End of '30 Rock': What was the secret of its staying power?

Like half the people in my small world, I'm a little sad to see 30 Rock go, but also a little glad that they didn't overstay their welcome. (This has been a pretty good season actually.) One thing that I don't think 30 Rock gets enough credit for is

Editor's Note: If you haven't seen the series finale of NBC's "30 Rock" and are sensitive about spoilers, you should skip this post.] After seven seasons of loopy hilarity, “30 Rock” is over.

UPDATE: Meanwhile, show creator Tina Fey's plea to viewers at the recent Screen Actors Guild Awards to tape “The Big Bang Theory” and watch the series finale of her “30 Rock” fell on deaf ears. About 17.5 million people watched “Big Bang” Thursday

"Dark times are these." You're right, Liz Lemon. Dark times, indeed. We've finally come to the end of this seven-season journey. Liz Lemon & Co. have said their final goodbyes. 30 Rock will live on in syndication, our hearts,

"30 Rock," the NBC comedy series known for its absurdist humor and its ambitious, awkward, sandwich-loving protagonist, Liz Lemon, died last night in Manhattan. It was seven seasons old. Born in 2006, "30 Rock" survived longer than most television