McGarrett: I got no zip ties.
Doris: Seriously, you didn't bring restraints? And you've been on how many ops now?
McGarrett: You know, Mom, I thought I was coming to get you then getting out. I didn't think I was going to be tying up bad guys.
Doris: Who raised you?

Being a spy wasn't the only thing you were good at, Mom.

McGarrett [to Doris]

Max: Everybody on the island knows of the well-documented paranormal incident.
McGarrett: Everybody except for Detective Williams.

Whatever it is that she saw, it literally scared her to death.

Max

Don't do the crime if you can't do the time.

Danny [to Grace]

Can you help me? I seem to have lost my head.

Jerry

Eric: Not really, [Danny] just psychologically scarred me for life.
McGarrett: He has that effect on some people.

Chin: I just dumped Marjorie's phone. Over the past couple of weeks, she made over 40 calls to the same number.
Danny: Ghostbusters?

Jerry: You know why I love Halloween so much?
Grace: The chocolate? Just a guess.

These psychos had a thing for making their own horror movies every Halloween.

Grover

Steve: Just relax, alright and enjoy the view.
Danny: What view? Like I said, jet stream, no view.

I see what he's doing there. He's doing Jack Nicholson. And it's very appropriate too, because the last six years of my life has been sort of like "The Shining." Which is a film if you'd seen, you'd know, spends the whole movie torturing a young boy named Danny.

Danny

Hawaii Five-0 Quotes

I just wanted to tell you I'm so sorry, so sorry.

Danny [to Marie]

Dealer: Game's closed unless you have an invitation.
Grover [holding up his badge]: Here's my invitation. It's even engraved.