Kate Beckett: I got here as soon as I could.
Rick Castle: Never soon enough.

Kate Beckett: LT is going to drive you home.
Rick Castle: And if I refuse?
Kate Beckett: Then he'll drive you home in handcuffs.
Rick Castle: Just for the record, extremely bitter.

I'll be with him no matter wherever this leads and I promise you I'm not going to let him go too far.

Kate Beckett: But Castle, why would you be abducted on our wedding day and end up in Thailand?
Rick Castle: Worst bachelor party ever?

You do know I'm a doctor, not a puppeteer.

Lanie

I don't want to let him down. He wants this so badly and I want to give it to him but I just, I don't know that I can.

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.

Rick Castle: That thing in the shower. That is delightful.
Kate Beckett: That is not a routine. That's two naked people singing when there's no one around to see or hear it.

Back stabbing, adultery and betrayal. That is why I hate politics.

Rick Castle: I know I have occasionally theorized that a conspiracy was afoot.
Kate Beckett: Occasionally?

Kate Beckett: You texted Castle and not me?
Kevin Ryan: Well, when you have a crazy theory you don't call the voice of reason.

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

Castle Quotes

Rick Castle: That thing in the shower. That is delightful.
Kate Beckett: That is not a routine. That's two naked people singing when there's no one around to see or hear it.

Button up kitten because we're going home.

Beckett