Last night on Late Show with David Letterman, Jerry Seinfeld, while honored to be a part of “Operation Smooth Transition,†doesn’t think hosting a TV show seems that hard … but then fesses up that he couldn’t reproduce the work of Regis Philbin: “He sits there, and he doesn’t, he just kind of, you know, takes up people’s time.†Plus: Jackson Rathbone gave Jimmy Kimmel his vampire wisdom tooth to verify his alibi for missing the show last year; Kermit doesn’t always understand his relationship with Miss Piggy, who, in perfect form, was quick to profess their love for each other; and Michael Ian Black had eye-catching genitals. Watch our compilation to see what you missed.