Test video from the failed first attempt at the ""Late Night Monkey Cam;"" ""Supermarket Finds;"" Michael Keaton plugs Gung Ho; another ""Regulator Guy"" promo; a call to Arnie Barnes; Mariel Hemingway; Roseanne (Barr) does stand-up.
click here to see where to watch or .
Ready to Watch Late Night With David Letterman, Season 5, Episode 98?