(Gibbs walks into the squad room)
Gibbs: Come on, grab your gear. Don't wanna miss the school bus.
Tony: Class trip, boss?
Gibbs: Got a dead petty officer in a high school stairwell. Janitor found him this morning.
Tony: Hmm. (Starts singing) Wheels on the bus go...
Gibbs: (Gibbs joins in) ...round and round, round and round, round and round...

Admiral Chase: Does Agent David carry a weapon?
Gibbs: She is a weapon.

(Gibbs walks in on Tony and McGee with the blow-up doll)
Tony: Morning, Boss!
McGee: This isn't what it looks like, Boss.
Gibbs: Well, what is it, Tim?
McGee: Erm...a joke...I think. A really bad, practical joke.
Gibbs: I'm not laughing. (Gibbs turns and heads for his desk) Lose your gal-pal. (To everyone) Grab your gear. Got a dead Marine in Springfield.
(McGee tries effortlessly to hide the blow-up doll as the rest of the team head for the elevator)

Abby: Gibbs! Trying to give me heart palpitations?
Gibbs: No. What've you got, Abbs?
Abby: Heart palpitations.

Gibbs: Facebook. That's that thing that some people... do stuff with?
Ducky: The term is social networking.

Admiral McGee: My relationship with my son is none of your damned business.
Gibbs: You make him think he's nothing. You're the one with nothing.

Gibbs: The plane's missing.
Tony: It's been Kai-jacked!
Ziva: Did you really just say that?
Tony: I regret it already.

Tony: Maybe I was wrong about a lot of people.
Gibbs: Are we still talking about the case?
Tony: It's so interesting. No one will say her name. Have you noticed? It's like she's dead. Every time I look at her desk, every time I close my eyes....I just feel like I made a mistake. Like I made the wrong decision. Only it wasn't me who decided. So yeah - I'm probably wrong to think Anton's innocent in all this.
Gibbs: I'll trust you any time.

Tony: I have to break one of your rules, boss. Number six: never say you're sorry. I let things get out of control in the hotel room.
Gibbs: Ah, it's covered. Rule eighteen.
Tony: Oh, yeah. It's better to seek forgiveness than ask permission. Am I forgiven?
Gibbs: No.

Gibbs: Get Tony and Ziva out of bed.
McGee: What? Oh, you want me to get them out of bed. Because it's the middle of the night. Their individual beds.

Gibbs: You're superstitious?
Vance: I'm a little stitious.

I'm not alone.

NCIS Quotes

[voiceover] Anyone can achieve their fullest potential, who we are might be predetermined, but the path we follow is always of our own choosing. We should never allow our fears or the expectations of others to set the frontiers of our destiny. Your destiny can't be changed but, it can be challenged. Every man is born as many men and dies as a single one.

McGee

Abby: It's okay. Breena's fine. Breathe. Good. Now hurry up and get to the hospital because Breena is in labor.
McGee: Jimmy? Did you hear what she said? She just said Breena's having a baby. I think you broke him.