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: Haven't you learned anything from your last fiasco?
Martha: My last fiasco? You married her!

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