Warburg. Sounds like a Bond villain.

It's rise of the machines.

That theory is highly improbable and coming from me, that's saying something

At least we have each other.

You guys get this a lot? Agent J...Agent K?

Beckett: Rick, I love you.
Castle: I love you too.

Castle: I wish that I could kiss you. I wish so many things.
Beckett: There is no regrets. All in all, I think we've had a great run.

The story. It's our secret ingredient.

We've been in bad situations before.

Beckett: Castle, listen to me.
Castle: I'm not leaving.

Who's going to be your bomb buddy?

I am essential personnel.

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