Beckett: You had a lot of imaginary friends growing up, didn't you?
Castle: Still do.

You get cute when you get angry. Not when you get angry with me.

Castle (to Beckett)

Christmas means something different to me than it does to you.

Kate Beckett: I mean, there's a reason why Capt. Gates doesn't get up on the stage and have fun.
Rick Castle: I just always assumed it was because she was genetically incapable of it.

I will give you this, You have gigantic balls.

Castle: Did you see how that gorilla looked at me?
Beckett: I think it was lust actually Castle. You are ruggedly handsome.

I ain't afraid of no ghost!

I know I never would have gotten this far without you.

Beckett (to Castle)

Castle: Gates can see.
Beckett: I don't care.

Castle: Thank you.
Beckett: Always.

Oh my god! Oh my god! You're proposing!

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.

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