Spoiler - Mega Buzz

What's the good word on Castle? — Wendy

ADAM: You've heard the show is planning a Comic-Con-inspired episode, right? Well, the show is also taking inspiration from star Nathan Fillion's Firefly past. The episode features a past-his-prime sci-fi actor who, despite once playing the beloved "Capt. Max Richards," is now a promiscuous alcoholic who comes under suspicion when a fan is murdered at a convention. Whoever lands the role has big tightpants to fill. (Note to self: Add Galaxy Quest to my Watchlist.)