Kate: Babe, did you set your hair on fire again?
Rick: No, that was just one time. It's just that I'm so good looking I'm literally smoking hot.
Castle: You're going to call off your dogs, right now.
Bracken: Or what? You going to write something mean about me?
Castle: I'm going to start a scholarship in your name and offer it to the children of the first inmate who shanks you in the prison laundry.
Assassin: Most people react differently to a gun in their side.
Castle: Yeah, well this kind of thing happens to me often.
Kate: I wish that you were coming with me.
Rick: What am I going to do, sit outside your office and fetch you coffee?
Kate: Yeah, you're great at fetching. I've trained you well.
Castle: You set up shop in my office behind my back and it's my fault?
If you wanted a binding agreement we should have pinky sweared.
Sixteen years Kate Beckett has been obsessed with solving her mother's murder. You really think she can turn off that kind of obsession?Bracken
I'm proud to have been his inspiration and I am proud to be his wife.Kate Beckett
He has proven to be a brilliant partner and he's always had my back.Kate Beckett
Listen, if after seven years of your crazy theories you haven't already been committed then I think you're pretty safe.Kate Beckett
If Noah ends up walking you're going to have to have me committed.Rick Castle
I don’t cross the line. I put myself on it.Kate Beckett