Rick tries to keep things calm when he gets called into a hostage situation on Castle. "Number One Fan" is the fourth episode of the show's sixth season.
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Rick tries to talk down a tense situation on Castle. "Number One Fan" is the fourth episode of the show's sixth season.
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Rick looks distressed when he tries to negotiate with an accused murderer on Castle. "Number One Fan" is the fourth episode of the show's sixth season.
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Things get serious when Rick tries to negotiate with an accused murderer on Castle. "Number One Fan" is the fourth episode of the show's sixth season.
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Rick ends up as the negotiator during a hostage situation on Castle. "Number One Fan" is the fourth episode of the show's sixth season.
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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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The boys, including new Detective Sullivan, look a little wary when Agent Beckett shows up at the 12th 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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Guest star Antonia Sabato Jr faces off against Detectives Ryan and Esposito 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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Antonio Sabato Jr guest stars as a former teen TV star on Castle. "Need to Know" is the third episode of the show's sixth season.
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Castle Quotes

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

Castle

Where I come from, it's rude to point a gun at a man.

Rick Castle