McGarrett: Correct me if I'm wrong, but wasn't there a car attached to you?
Kaye: Oh? Weird.

Danno: I'm going to talk to these models.
McGarrett: Okay, well just stick questions pertaining to the case.
Danno: What's that supposed to mean?
McGarrett: What it means, is that I know you. Stick to the case.

Kamekona:If I live through this I am never gambling again.
Danno:Yeah right.
Kamekona:How much you wanna bet?

Charlie Fong: Cool tech.
Kono: You're not the only nerd on the block.

McGarrett:This is going to clear your name.
Chin: Yeah, but at what cost?

Derek Marcum:I take it you are part of Honolulu's law enforcement community.
Danno: What gave us away?
Derek Marcum: You're wearing a tie in Hawaii.

Agent Allison Marsh: Listen to me, you can not go after Jimmy Cannon.
McGarrett: Watch me.

Tangential? Wow! You don't have to bust out the big words to impress me.

Kono

Spider-Woman, what are you doing? I got em' on speed dial. Would you be careful, please? Destruction of property... You've been hanging out with McGarrett too long.

Danno

Danno: Please don't do that.
McGarrett: What?
Danno: Please don't put both hands on the wheel. Every time you do that something terrible happens, and I have to pray. Wait...wait. [puts on seatbelt] Okay.

Richard Cannon: Don't try to tell me who my father is. I know who my father is.
Danno: Deep. Really, deep.

Danno: I don't even want to know what you would do.
McGgarrett: I would be by the book.
Danno: The book?
McGarrett: I would be by the book.
Danno: The book? What book would that be? I ask... Patriot Act for Dummies... War & Peace minus the peace part.

Hawaii Five-0 Season 1 Quotes

Danny: We shouldn't be doing this without backup.
Steve: You are the backup.
Danny: I am the backup. I hate him so much.

McGarrett: Tell me you know how to swim.
Danny: I know how to swim. I swim for survival, not for fun.