Castle: You sure you want to take that many books?
Alexis: Overambitious for a 5 day trip?
Castle: You're gonna be responsible for your own pack. I think you're supposed to be more Sacagawea than a scholarly reader. Besides, look at all those pages the trees might want revenge.

Janine Marks: He was banging my daughter right under my nose? I will kill him!
Castle: He's already dead.
Janine Marks: Well, I will kill him again. I don't care. Where's the corpse?

Kevin Ryan : Aren't famous people crazy and narcissistic?
Kate Beckett : I don't know. Gotta ask Castle.

There's no upside in screwing with things you can't explain.

Captain Roy Montgomery

Castle: Do you believe people get what they deserve?
Beckett: Well, if they do then I must have done something terrible to be punished with you.
Castle: Funny.

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.

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

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.

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?

Agent Shaw: Honestly, the thing that impressed me most is that you came in with Castle.
Beckett: You know, some people would call that foolish.
Agent Shaw:You made a tough decision on your feet, used the resources at hand. I'd say that's heroic and somewhat poetic. In the end, Dunn did actually face Nikki Heat. She is after all, part you, part Castle.

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.

Agent Shaw: Castle. Thank you for your help. You are a valuable asset to Detective Beckett's team.
Castle: Well, it would be great if you would call her and remind her of that from time to time.

Castle Season 2 Quotes

Beckett: Sometime when I am bored I go to cafe in little Odesa and pretend to be Moskevite.
Esposito: That's kinda hot.

Castle: Thanks for saving my life.
Beckett: Ah, I was just trying to avoid paperwork.