Sleeping with the Enemy - S3-E6
Character mistake: Noel Shempsky (the supposed Star Trek Nerd) attributes the quote "The needs of the many outweigh the needs of the few or the one" to James T. Kirk, when it was Spock who said it. (00:03:50)
Frasier (1993)
Episode list - season 4
Starring: Kelsey Grammer, David Hyde Pierce, John Mahoney, Jane Leeves, Peri Gilpin
More mistakes in Frasier
Selling Out - S1-E9
Frasier: Roger, at Cornell University they have an incredible piece of scientific equipment known as the Tunneling Electron Microscope. Now, this microscope is so powerful that by firing electrons you can actually see images of the atom, the infinitesimally minute building blocks of our universe. Roger, if I were using that microscope right now, I still wouldn't be able to locate my interest in your problem.
Trivia: When Nanette tells Frasier she's tired of playing her children's show character, she asks him if he knows what it's like to play the same character for twenty years. By this point, Kelsey Grammer had been playing Frasier for twenty years: eleven on 'Frasier' and nine on 'Cheers'.
Question: Counting his role on Cheers, Kesley Grammar has played Fraiser for twenty years. Is this the record for the longest portrayal of a character by a TV actor?
Answer: It equals the record of James Arness of "Gunsmoke" for the actor who's played the same part on TV NOT in a soap opera. If you include soaps there are two main contenders - William Roache, who's been playing Ken Barlow in "Coronation Street" in the UK since 1960. Don Hastings has been playing Robert Hughes in US soap "As the World Turns" since 1960 as well.