More Spoiler Photos of Castle Season 5, Episode 6, “The Final Frontier”: Castle and Beckett Hit Up a Sci-Fi Convention! (PHOTOS)

When a body is found at a sci-fi convention, Castle and Beckett are warped into the heart of fandom — a world of egotistic celebrities, diehard costumed fans and enough drama for two galaxies.

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Original Air Date: ;Castle ;Season 5, Episode 6: "The Final Frontier" airs on Monday, Nov. 5, 2012 at 10 p.m. ET on ABC.

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