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Castle Season 5 Episode 6 News

Castle Season 5 Episode 6 “The Final Frontier”
Castle 5.06 Sneak Peeks: Murder at a Sci-fi Convention
'Castle' video sneak peek: Kate's shocking secret revealed!
Castle Investigates a Sci-Fi Convention Murder
Castle Episode Teaser: Death by Laser!
Behind the Scenes of Castle Season 5, Episode 6, "The Final Frontier": See Director Jonathan Frakes in Action! (PHOTOS)
'Castle' Episode 5.6 Photos: Off to the Con in 'The Final Frontier'