Late Show with David Letterman

Season 6, Episode 138

Episode Title: John Cusack, Jack Hanna

Air Date: 1999-04-16

Overview:

A technical difficulty turns Dave's face and tie blue during the monologue; the secret word is ""tubular""; during Mailbag, Dave shows us the video guide ""Biff Henderson's How to Become a Chick Magnet.""