Steve: So this stalker is what 10?
Danny: Ted Bundy was 10 once.
Steve: Yes he was..... Yes he was

Danny: So now you're a shrink all of the sudden?
Steve: Yeah, and you can take a seat in the back there if you would be more comfortable. Or you can stay where you're sitting, and tell me what happen. Because I'm going to keep asking until you tell me.

Max: The body is still here, he's OK.
Danny: You mean other than the fact that he's dead?

Kono, this is not a good time, your interrupting vehicular manslaughter.

Grace: He's the funniest boy in school
Danny: I'm sure he's a regular Chris Rock.
Grace: Who?

Steve: Book'em Danno
Danny: Book me a towel.

Steve: Looks like I found our motive.
Danny: I'll see your motive and raise you a murder weapon.

Officer Lukela: What's he doing?
Danny: Undoubtedly something insane.

Chin Ho: Danny, you know if you ever need any advice on relationships, my door is always open.
Danny: Oh, well you go ahead and keep that door closed, but thank you.

Kono: That's a relief
Danny: Why is that a relief?
Kono: Because she makes you happy, and I like to see you happy.
Danny: Awww...

Steve: Time travel doesn't exist.
Max: On the contrary, there are several theories....
Danny: With all due respect. For argument sake, let's say this man didn't own a Delorian and is from the 21st century.

Danny: You ruined my frittata.
Steve: I put it out of its misery.

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.