Adaptation Displacement | Older Than They Think: If you think not many people remember this show, try finding someone who knows there were a novel and three movies featuring Clifton Webb as a "Mr. Belvedere" character decades before.
Ear Worm: The show's Thematic Theme Tune, a Dixieland-style number performed by Leon Redbone. Don't click on this if you don't want it stuck in your head the rest of the day.
Made double by the fact that it was written by Judy Hart Angelo and Gary Portnoy, who previously wrote the theme songs to Cheers and Punky Brewster, which Portnoy also sang.
Tear Jerker: The final scene with Mr. Belvedere and the Owens family in season 6x22, episode #117, part 2 of the series finale, "Mr. Belvedere's Wedding". After he takes one last look at his bedroom, he then says his goodbyes to each member of the family from oldest to youngest. Of course, he saves the best for last with Wesley, whom, despite the often humiliating moments, loved him very much. It's both funny and sad at the same time.
Wesley: "I know I'm losing my best friend."
Mr. Belvedere: "Wesley, I've known heads of state, and many celebrities. But none have given me finer memories than you. I shall savor our moments together. Even the embarrassing and painful ones. Which account for most of them. Though you are an Owens, I shall always think of you as a son."
The two of them then hug each other. His new wife, Louise, then reminds him it's time to go with her to Africa. After bidding one final farewell, he leaves, and the scenes ends with the family peeping out the front door for one final look, as Wesley states the obvious: