Castle' 100th Episode: Nathan Fillion Past Roles Paid Homage Throughout Series – The Hollywood Reporter
31 In-Jokes From TV Shows And Movies That Couldn't Resist Making Allusions To The Roles That Made Their Stars Famous
Castle: The Firefly Scene - YouTube
Rick Castle dressed as Malcolm Reynolds. (Oh, I love the jokes they keep dropping into Castle about Firefly.) | Mal reynolds, Geek humor, Richard castle
Howl's Moving Castle Cosplay by AlysonTabbitha on DeviantArt