Episode 21: Cheerful Goodbyes -

The episode is notable for its blend of nostalgia and the typical Frasier comedy of manners. It highlights the stark contrast between Frasier's sophisticated life in Seattle and the "common man" atmosphere of his old Boston haunt. Fans often cite it as a bittersweet look at how the Cheers characters have aged and evolved (or stayed exactly the same) in the decade since their show ended.

: Celebrating his retirement from the post office. Episode 21: Cheerful Goodbyes

: She is seen celebrating Cliff's supposed departure but is later devastated when he decides to stay in Boston. The episode reveals that two of her sons are in prison and her house is facing foreclosure. The episode is notable for its blend of

The episode features several guest stars reprising their roles from Cheers : : Celebrating his retirement from the post office