Steve: When I say "book em' Danno" it's a term of endearment.
Danny: Ok, do it every day... I like it.

Danny: Don't do it, don't get married.
Chin Ho: Thank you for the support.
Danny: Just find a woman you hate ---
Everyone Else: ...and buy her a house!

Danny: You use to do this?
Steve: I can neither confirm nor deny.
Chin Ho: I'm glad you're on our side.
Lori: Me too.

You can't own a wave, and while we are on the subject; Spam is not part of any food group that I care to recognize and last but not least, an appetizer should never ever, under any circumstances be referred to as "poo poo."

Danny

Steve: Hey Fryer [punches him when he looks over] Nobody messes with my team.
Fryer: [dabs blood from lip] Duly noted Commander.

Danno: When did you start jogging?
Kamekona: I'm training bra'.
Danno: Did he just say he's in a training bra?

Tong: Those are dummy grenades
Danny: Ok, hang on to this. [hands grenade, pulls pin] If it's a dummy you will be fine, we'll be outside.
Tong: Wait! Fine, it's live
Chin Ho: You've been hanging around Steve too long.

Steve: I am sincerely sorry, that is what I was trying to tell you, last year, when this conversation started.
Danny: Your apology is noted, acceptance is pending.

Don't give me the 'hurt feelings' thing, Mom, because A. I don't buy it, and B. I don't care.

Steve McGarrett

Danny: Roads have asphalt; this is dirt on a cliff.
Steve: Scared?
Danny: No I'm not scared, I am rationally concerned.

Danno: You know what the greatest invention of all time is?
Chin: What?
Danno: The ignore button. I have a theory that whoever invented the modern cellular phone also had an ex-wife.

Danny: I love pancakes in the afternoon.
Steve: I like pancakes.
Danny: You do? You seem more like napalm in the morning kind of guy.

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.