Beckett: I feel like I just walked into a bad episode of Miami Vice.
Castle: First of all, there are no bad episodes of Miami Vice.

I don't want to lose what we have.

I was shot in the chest and I remember every second of it!

It makes you think about all those things in your own life that you don't want to put off anymore.

Brad: I'd be off the show. I'd be Brian Dunkleman.
Beckett: Who's Brian Dunkleman?
Brad: Exactly.

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

Castle (to Beckett)

Beckett: So what, you're Prince Charming now?
Castle: If the shoe fits.

She's Snow White!

Fairytales are pretty much horror stories.

There is no big deal. Sleep with whomever you want, the more the merrier.

Beckett: So you slept with her?
Castle: Yea, yeah I slept with her.
Beckett: Have there been others? Muses?
Castle: No.
Beckett: Just wanted to see how big the club was.

Castle: I found something.
Beckett: Shouldn't you tell Sophia about it?
Castle: She's not my partner. You are.

Castle Quotes

Castle: How do you know when you're in love?
Beckett: All the songs make sense.

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

Kate Beckett