It happened on his watch so for Ryan it means it's all on him until he finds this guy.

Kate Beckett

The good news is Sarah Grace will have enough money for college. The bad news is she'll have no idea who I am.

Kevin Ryan

You can not leave behind what is always at your side.

Rick Castle

Believe me, Beckett has plenty of experience taking a bullet for other people doing stupid things. Hell, she's married to me.

Rick Castle

Ryan, this is my third marriage. I think I know what I'm doing.

Rick Castle

This is going to be fun this little threesome here. Investigatively speaking.

Rick Castle

I am guessing that before too long there's going to be a few more little Castles creating havoc around here and I think the two of you deserve to have this place to yourselves.

Martha

Kubrick was right. A. I. is a bad idea.

Rick Castle

I wanted to go to Mars not die on Mars.

Rick Castle

Space. The final frontier. These are the voyages of Castle and Beckett. They're ongoing mission to explore strange, new motives. To seek out new witnesses, new suspects for murder. To boldly go, oh, right over here.

Rick Castle

Rick Castle: Checking you for bites and scratches. Just making sure you didn’t somehow get impregnated.
Kate Beckett: If you think that’s how I’d get pregnant we need to talk.

Mars. Nova Scotia. This guy really loves barren landscapes.

Kevin Ryan

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