CASTLE Season 5 Episode 6 The Final Frontier Sneak Peek Clips : CASTLE – “The Final Frontier” – 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, on “Castle,” MONDAY, NOVEMBER 5 (10:01-11:00 p.m., ET) on ABC.
