Late Show with David Letterman: A man pretending to be Les Moonves delivers a Murder, She Wrote to Dave; the retirement of longtime White House press corps member Helen Thomas is discussed, so Dave shows a gag reel showing memorable moments of her career dating back to 1492; Dave promotes tomorrow night's bowling ball stunt.

Starring:

Alan Kalter, David Letterman, Paul Shaffer

Genre:

Comedy, Music, Talk-Show