Ducky: Something wrong, Jethro?
Gibbs: Fingerprints found at a double homicide yesterday belong to a Petty Officer who's supposed to have been dead seventeen years. (hands Ducky a file) His death certificate.
Ducky: Oh dear. (chuckles) Someone's in trouble. (looks at the certificate) I signed it?!

Never screw over your partner. (Season 4, Episode 14, Gibbs)

Rule #1

Gibbs: What've you got?
Abby: A better question is what have you not got Abbs, and the better answer would be a Caf-Pow! I'm trying to make my own here, but I'm missing like 400 ingredients.
Gibbs: Are you all right?

Borin: You can call me Abby.
Gibbs: No, that's not going to happen.

Maria: I would never leave my husband. I was raised Catholic, Agent Gibbs. My marriage was sacred.
Gibbs: You've got a funny way of showing it.

Tony: Remember Max Headroom, Gibbs?
Gibbs: Who?
Tony: From the 80s. Robot-head.

Get to work. Probie.

McGee: Red handed?
Gibbs: They don't come much redder.

You do what you have to for family.

Unwritten Rule

My situation, Bishop, is I don't work with people I can't trust.

Gibbs: Dad, I can stop this. I need your help.
Gibbs Sr.: Whatever it takes.
Gibbs: Okay, let's go fishing.

Pride: Laissez les bon temps rouler.
Gibbs: Let the good times roll.

NCIS Quotes

Tony: One other question, I know you're an expert in English history. And I was just wondering, have you ever heard of Archibald Drummond, the 17th Earl of Trent?
Ducky: The Earl of Trent. No, I can't say I have. Why?
Tony: I was just wondering. Thanks.

[reading Valentine's Day card] Roses are red; they go in a bucket; Jake is a jerk; he can go suck it.

Bishop