Saturday Night Live - Season 9 Episode 18 Barry Bostwick/Spinal Tap Live from New York, it's Saturday Night!
Overview: Sketches are ""Simulated Cat Fight,"" ""Foldgers Crystals,"" ""Lie Detector Test,"" ""Spinal Tap Interview,"" ""Guest Performance: A. Whitney Brown,"" ""2 on the Town,"" and ""Texxon."" Spinal Tap perform ""Christmas with the Devil"" and ""Big Bottom.""