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: Hawaii Five-O
Crowning Music of Awesome: The theme tune, considered by many to be one of the best TV themes ever. The theme song is by composer Morton Stevens. It became a hit single for The Ventures, a famous instrumental rock group.
A bit of trivia: That distinctive music that plays over the old "CBSSpecialPresentation" ident is from a cut on the soundtrack called "Call to Danger".
In fact, the show's only Emmy Awards were for Stevens' scores to the episodes "A Thousand Pardons, You're Dead!" and "Hookman" — and what's more, the latter was up against two other episodes of the same series ("The $100,000 Nickel" and "Nightmare In Blue").
Dying Moment of Awesome: Chin Ho, after being revealed as a Five-O plant, immediately slugs the leader in the face and then attacks the other two thugs. While he's ultimately unsuccessful at trying to escape, and the leader mocks him at what he did being a mistake, he replies that it was worth it and he doesn't think he has much left to lose. Sadly, he's right.
Esoteric Happy Ending: At the end of "Tricks Are Not Treats," McGarrett orders Chin Ho to arrest the bad guys, even though he really has zero evidence against them and knows they'll probably walk.