Ryan: Do you think she's still alive?
Castle: She's alive.
Ryan: How do you know?
Castle: Because he's not done with me yet.

Ryan: I always wanted a pet monkey when I was a kid. Big Curious George fan.
Castle: Wait 'til George grows up. An adult chimpanzee can reach 200 lbs, tear off a man's face, hands, and naughty bits.

Beckett: Is there any evidence of the baby in the footage.
Ryan: No, only three men and a Mustang.

You know, there are times I wish she'd stayed in D.C.

Ryan: We're interviewing a nun?
Esposito: Yeah. And I'm going to be the good cop and you're going to be the bad cop...

Esposito: Who knew that Gates had a softer side?
Ryan: It's creepy. Very, very creepy.

Not that I would ever doubt a nun.

Ryan: What happens when worlds collide?
Esposito: Boom.

This is like the Halloween from hell.

There's only two things to do at the docks; kill someone or go fishing. It's a little late to go fishing, isn't it?

Ryan: Castle, your whole relationship is built on the foundation of your boundary pushing.
Castle: Good point.

Ryan: Catholic school is like combat. If you haven't been there, then you don't know.
Esposito: I have been there...in combat.

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