Castle gets Nathan Fillion to dress up like Captain Mal from Firefly

In case you missed it, Nathan Fillion’s new(ish) show Castle just did a massive Firefly shout-out by getting him to dress up like Captain Mal for Halloween. “Didn’t you wear that five years ago?”

It’s probably the best thing the show’s done, which tells you something about it. Still, at least it’s on the air, which is more than you can say about most things Nathan Fillion’s been in…