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 Season 6 Episode 3 Quotes

Half the time I don't know if I'm smelling our new compost bin or my daughter's rotting ambition.

Castle

Pi: We're making smoothies.
Castle: And yet for me, not so smooth.