Late Show with David Letterman - Season 4 Episode 168 John Travolta, Grant Hill, Sinead O'Connor
Overview: Mailbag: ""Farrah Fawcett"" (Calvert) explains her behavior from last week. Also, Kenny ""The Quick-Witted Stagehand"" Sheehan makes his 1000th TV appearance, which is followed by footage of his (bogus) television debut on Ed Sullivan in 1964.