Definitely! And the fact that it is
UST. Having every woman jump him would be a bit dull, but having Beckett shoot down his advances and tease him as well, I sometimes feel like giving her a high five and saying "You go girl!"
I did see the 2 by 2 bit, can't remember which ep though, but I believe it was withing he first two season.
And yeah, on the Halloween ep, on the bookshelf to the left as he pops out the door, there's a ship part sitting there
I like Ryan and how he's usually holding one of Castle's books. Beckett created another Castle fan when she gave them her books.
I'm gonna have to check that out. I love it when shows refer to each other. It's an easter egg for the fans

And makes me seem like such a geek when I keep pointing these things out to people who're watching the shows with me
The browncoat deserves squeeing.
I'd love to see a miniature Serenity sitting on Castle's desk
Hmm, it is fun

Talk to you soon
