Ep 14. The Show Where Diane Comes Back

Frasier Crane, a successful radio host, is faced with a surprise visitor in this episode of Frasier titled "The Show Where Diane Comes Back." Diane Chambers, an ex-girlfriend from his Cheers days, shows up unexpectedly at KACL radio station where Frasier works. She claims to be there to discuss a job opportunity, but Frasier quickly realizes that she is trying to reignite their romantic relationship.

Frasier is caught off guard by Diane's reappearance in his life after so many years, and his attempt to remain professional during the radio show proves to be difficult. Throughout the episode, Frasier and Diane engage in flirtatious banter, but it becomes clear that their relationship is as turbulent as ever.

Meanwhile, Frasier's father, Martin, is also experiencing some romantic drama of his own. He meets a woman named Sherry who works at a taxicab company and they hit it off immediately. However, when Martin learns that Sherry is his friend's ex-wife, he is hesitant to pursue the relationship.

As the episode progresses, Diane becomes increasingly persistent in her attempts to win over Frasier. She shows up at his apartment unannounced and tries to seduce him, but Frasier ultimately realizes that he cannot open himself up to the pain and heartbreak that their relationship has caused him in the past.

In the end, Frasier and Diane realize that they are better off as friends and Frasier is able to put the past behind him and move on. Martin also has a change of heart and decides to pursue a relationship with Sherry, ignoring his friend's advice to back off.

Overall, "The Show Where Diane Comes Back" is an entertaining and well-written episode of Frasier that showcases the complex relationships between its characters. While it is not necessary to have watched Cheers before watching this episode, it does add an extra layer of depth to the story and the ongoing saga of Frasier and Diane's relationship.