Beckett: That's espionage.
Castle: More like sexpionage.

Beckett: Castle, if we were getting married, would you want to know about all of the men I've been with?
Castle: ALL sounds like a lot.

Beckett: Oh my God, that's Jenny!
Castle: Not just Jenny. Gyrating Jenny.

Castle: If you find out a man is cheating on you, how would you kill him?
Martha: Knife.
Alexis: Shoot him.

It's like the beginning of The Bachelor, but without the appletinis.

Speaking of sweet...who's your date to Ryan's wedding?

Castle: I always liked your legs, but now I respect them.
Beckett: Yours aren't so bad either. For the next police picnic, we should enter the three legged race.

If we ever get out of here, we should seriously consider joining the circus.

You would make a terrible conjoined twin.

Castle (to Beckett)

What if we're in some psycho's lair and have to kill each other off like in Saw?

Would it kill you to let someone open the door for you for once?

We're in handcuffs. Kinky.

Castle Quotes

Sometimes the hardest things in life are the things most worth doing.


Castle: The fact that you even think that breaks my heart. I would walk into a tornado for you, Kate.
Beckett: And I would die if I lost you.