Late Show with David Letterman: Dave's first new show following the death of Johnny Carson is an hour-long tribute, featuring clips of Johnny's appearances on both "Late Show" and "Late Night," and the "Tonight Show" clip of Johnny stealing Dave's pickup truck; longtime "Tonight" producer Peter Lassally; former "Tonight" bandleader Doc Severinsen and former NBC Orchestra members Tommy Newsom and Ed Shaughnessy perform one of Johnny's favorite songs, "Here's That Rainy Day."