When Roz goes on vacation, her sassy replacement (Kim Coles) threatens to take over Frasier's radio show; Niles learns kickboxing and ends up doing some damage. Kenny: Tom McGowan. Louise: Carla Renata Williams.
Mel (Jane Adams) pits Niles against Frasier in a wine-tasting competition; Martin feels guilty for bedding his late friend's widow. Claire: Anita Gillette. Corkmaster: Anthony Heald. Virgil: Richard Stretchberry.