Over the course of the series, Frasier (Kelsey Grammer) dressed up as Sigmund Freud, Geoffrey Chaucer, Santa Claus, Uncle Sam, and a killer clown. Niles (David Hyde Pierce) dressed up as Cyrano De Bergerac, Jesus Christ, a pirate, and as his father, Martin Crane. Daphne (Jane Leeves) dressed up as an "ugly American", Sir Elton John, and the Wife of Bath. Roz (Peri Gilpin) dressed up as Wonder Woman, Betsy Ross, O (from the story of O), Mrs. Claus, and one of Santa's helpers. Martin (John Mahoney) dressed up as Sherlock Holmes, Joe DiMaggio, and a Wise Man at Christmas. Bulldog (Dan Butler) dressed up as Waldo from "Where's Waldo?". Gil (Edward Hibbert) dressed up as Chingatchkook from The Last of the Mohicans (1992)). Noel (Patrick Kerr) dressed up as a crew member from the U.S.S. Enterprise from Star Trek: The Original Series (1966).
Oh, fine, fine! But you're forgetting that not three days ago I was punched in the face by a man now dead!
As always with any long-running comedy series, there are some inconsistencies in characters' back-histories between episodes, but we generally excuse them. Discrepancies between this series and Cheers (1982) (from which it is a spin-off) are completely exempt from nitpicking (and some have been explained away, anyway).
The series title changes color and the Seattle skyline image has a different animation with each episode.
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