Let's not let a little thing like murder get in the way of having a good time.

The last time I saw you in your pj's after eight am I think you were four.

Even as a hostage I help you solve murders. Beckett, I think you have the perfect partner.

Why Doogie Howser? There is so many cool TV doctors. Dr. House...Dr. Shepherd...

Castle: Tell me you need me.
Beckett: Excuse me?

Any relationship that lasts longer than a breath mint is going to have challenges.

You? Skepticus Maximus?

Beckett: I'm sure there's a perfectly good explanation for all that.
Castle: There is...they're here!

Alexis: Dad, are you using me as a shield against flesh eating zombies?
Castle: No, I'm just trying to give you a better view.

By the way, hair gel? Not very manly.

Castle: Think she'll get him to talk?
Beckett: Who knows Castle, maybe she'll kiss it out of him.

We really could have used her, she has valuable assets. Not that kind.

Castle Quotes

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.

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