Late Night with David Letterman Season 9 Episode 1 900302 ( Air Date 1990-03-02 ) Genre Comedy, Talk category. Overview "Dave gets a hug from an audience member; ""Viewer Mail,"" assisted by the PUMA 260 robotic arm; locked out California Angels Mark Langston and Scott Bradley play catch in the hallway; Tom Hanks plugs Joe vs. the Volcano; Jack Hanna with animals; Natasha Richardson visits.".