Agents McCord and Beckett arrive at the 12th to everyone's surprise on Castle. "Need to Know" is the third episode of the show's sixth season.
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Castle and Beckett are back together at the 12th but is it only temporary on Castle? "Need to Know" is the third episode of the show's sixth season.
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Kate has to watch as Detectives Ryan and Esposito perform an interrogation on Castle. "Need to Know" is the third episode of the show's sixth season.
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Gates and Beckett converse over a suspect in the box on Castle. "Need to Know" is the third episode of the show's sixth season.
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Beckett and McCord scramble to stop a terrorist attack and find the antidote on Castle. "Dreamworld" is the second episode of the show's sixth season.
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Lisa Edelstein plays a key role on the Castle premiere. Here she is with Beckett in DC.
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Beckett is faced with a number of big life decisions on "Watershed," the season five finale of Castle on ABC.
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The entire Castle scene is on the crime scene in this season five photo. It is from the finale.
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Castle Quotes

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

Castle

Castle: You're not alone in this. I'm here.
Beckett: I know.