Beckett: You've got quite a record, Mr. Knox.
Castle: Your parents must be proud.
Knox: Yeah, they hang all my mug shots on the fridge.

Castle: So how do we find Danton?
Beckett: We talk to one of the call girls. (to Cho) Call that number and tell him to bring one of his girls over.
Castle: And tell her to wear something sexy.

Beckett: Why would a respected prosecutor become a pimp?
Castle: The outfits.

Beckett: You're such a metrosexual.
Castle: Yeah, well, better than being a pin-up boy.
Beckett: So you heard? And it's man, Castle. Pin-up man.

Beckett: I have no life.
Lainie: No, Mr. Bishop has no life. That's why he's on my table.

Castle: Did you just use the word "veritable" in a sentence?
Beckett: Yes, I did.
Castle: Sexy!
Beckett: You should hear me say "fallacious."

Agent Shaw: He cares about you, Kate. You may not see it. You may not be ready to. But he does.
Beckett: Yeah, well, the situation with Castle is... complicated.

Castle: Are you in any pain?
Beckett: Well, not nearly as much as you. It's killing you, isn't it?
Castle: What?
Beckett: Having to wait this long to tell me how you banged down the door.
Castle: You want me to start from the beginning?

Castle: If something were to happen to me I want you to watch out for Alexis. She looks up to you, and if a worth man would get frisky you can shoot them.
Beckett: Nothing is gonna happen to you.
Castle: But if it does...?
Beckett: Ok.
Castle: And would you also go into my closet and get rid of my porn collection before she finds it?
Esposito: Don't worry, Bro. I got you covered in that.

Beckett: Either you are being a good cop or you just wanna go to the museum?
Castle: They have dinosaurs there.

Beckett: You know Castle, sometimes I forget that you have such a capacity for pure innocence in your life.
Castle: Yeah, plus it was a great place to pickup chicks.
Beckett: Then you open your mouth and you ruin it.

Kate: Are you here to annoy me?
Castle: I'm here for the story.

Castle Quotes

I need time to stop being mad and you need time to figure out a way to be OK with this.

Alexis

I tried to stay in the car I really did.

Castle