Oliver Queen is many things, brother, ex-CEO and vigilante. The one thing he's not is a babysitter, naturally he calls the only person he can think of his girl Wednesday.
Post 2x17 (Boom). Kate loses her voice and Castle is there to take care of her.
Scene Insert for 7x15 that takes place between the time they found Beckett and the precinct.
Summary: Post Limey. Kate drunk dials Castle, confessing her feelings via voice mail.
Pre-series. What if Kate was the officer that arrested Castle all those years ago when he took a police horse for a joy ride? HIATUS
Post 6x21. How did Castle end up in only his red shirt at the end of their poker game?
Their son is growing up much faster than Castle feels comfortable with
They are both ecstatic about the pregnancy, it's the lack of coffee that Kate isn't too fond of
The day before their wedding Kate gets a surprise visit from one of Castle's ex wives.