Espo and Ryan discuss a case and what Beckett will do about it in this clip from "Always." It's the season four finale of Castle.
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There are thousands of break-ins every year in New York City. These words don't comfort Beckett on the Castle season finale.
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Captain Montgomery comes back and plays a role on the Castle season finale. Watch a clip now from the episode "Always."
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Caskett alert! Kate and Rick actually make a movie date in this clip from the Castle season 4 finale.
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It's the season finale that will change Castle forever. Intriguing enough for you? Watch the official ABC promo now.
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Only one episode remains until the Castle season 4 finale. Check out this look ahead to "Undead Again" now.
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Is there any medical way to determine if someone was a zombie? Castle asks this key question in this clip from "Undead Again."
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Castle pays Beckett a visit in this clip from the episode "Headhunters." Which makes her happy, until she learns why.
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Get a look here at Adam Baldwin on Castle. His detective comes between Rick and Kate a bit, as previewed in this clip from "Headhunters."
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It's a Firefly reunion! Adam Baldwin guest stars on this episode of Castle, as the title character and Beckett move farther apart. Watch now.
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You tell her, Lanie! Beckett receives solid advice from her pal in this scene from the Castle episode "The Limey."
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Beckett is undercover, and looking gorgeous, in this clip from the Castle episode "The Limey." Watch her leading on the dance floor now.
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Castle Quotes

Sometimes the hardest things in life are the things most worth doing.

Castle

Castle: How do you know when you're in love?
Beckett: All the songs make sense.