Looks like we've got a fairy tale killer on our hands.

Red Cloak. In the woods. Animal attack. She's Little Red Riding Hood!

I feel like my whole life is being invaded.

Clara started out like Sophia but ended up more like you.

Castle: I thought you were the bad guy?
Gage: If I were the bad guy, you would be dead by now.

You can have answers or you can live. Your choice.

Gage

You always did like playing with dynamite, just be careful it doesn't blow up in your face.

Sophia

I know what kind of asset you can be.

Sophia

Castle: How did you get here?
Sophia: I'm CIA.

I was Special Forces. I used to eat classified for breakfast and writer boy can know??

Esposito

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

Beckett

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 Season 4 Quotes

Our killer is a superhero!!

Castle

Fairytales are pretty much horror stories.

Beckett