Cheerful Goodbyes: Episode 21:

: 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.

: Cliff’s long-time post office rival also makes an appearance. Themes & Legacy

The story follows Frasier Crane, his father Martin, his brother Niles, and Daphne as they travel to Boston. While Frasier is there for a medical conference, he runs into his old friend Cliff Clavin at the airport. Cliff invites the Crane family to his retirement party, leading to a reunion at a local bar (though not the iconic Cheers bar itself) with several familiar faces. Key Characters & Revelations

The episode features several guest stars reprising their roles from Cheers :