These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
YMMV: Mr. Belvedere
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.
When Mr. Belvedere's novel fails to sell, George tries to comfort him by pointing out that Dr. Seuss's first book was a flop. Belvedere says Seuss's first book was The Cat in the Hat, while George thought it was Horton Hears a Who!. The fact is they're both wrong, and Horton Hears a Who! does indeed predate The Cat in the Hat.
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.
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: