 Grammer ultimately agreed to star in a "Cheers" spin-off, but the producers set the new show as far from Boston as possible to prevent NBC from demanding that other characters from the old show make guest appearances on the new show during its first season.After first choosing Denver, Angell, Casey, and Lee ultimately chose Seattle as the setting.The creators did not want Frasier in private practice, which would make the show resemble "The Bob Newhart Show".