Back in the day, before the Internet, before DVR, we made appointments to watch our favorite shows and the last great era arguably was driven by the NBC powerhouse in its golden era of NBC Entertainment, from Cheers to Seinfeld to Friends. On this hour of "All Sides," we'll talk with the man who ushered NBC Entertainment from the bottom to the top in "Must Watch TV."

What's your favorite "Must See TV" show from NBC? Call in and tell us your favorite moments.

Guest

Warren Littlefield (Former NBC President of Entertainment/Author, "Top of the Rock: The Rise and Fall of Must See TV")