- 1 Flowers for Your Grave
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Writer Rick Castle is called into help the police department after two murders occur that are strikingly similar to the plot of his book.
Average Episode Rating: 4.3 | Air Date: 2009-03-09
- 2 Nanny McDead
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When a body of a young woman is found inside the dryer at a laundry room, Castle and Beckett uncover that the young woman worked as a nanny in the upscale building. Meanwhile, as Castle works on his "Nikki Heat" novel series he watches Beckett's actions as she works the murder case.
Average Episode Rating: 4.0 | Air Date: 2009-03-16
- 3 Hedge Fund Homeboys
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When a teenaged boy whose family has recent fallen on hard times is found dead in a boat in Central Park, Castle and Beckett must piece together the mystery behind the boy's final moments. Meanwhile, Castle mulls over leaving Martha home while he chaperones Alexis' trip to Washington, D.C.
Average Episode Rating: 3.7 | Air Date: 2009-03-23
- 4 Hell Hath No Fury
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The investigation behind a body found wrapped in a rug on the sidewalk leads Castle and Beckett deep inside the world of New York City politics. The partners discover a world of expensive escorts, arrogant tycoons, corrupt investigators, and the effects of betrayal.
Average Episode Rating: 3.7 | Air Date: 2009-03-30
- 5 A Chill Goes Through Her Veins
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Castle and Beckett investigate the murder of a women found frozen and tangled in steel bars at a construction site. The case leads them to looking into an old case and also has Beckett thinking about some memories from her past.
Average Episode Rating: 4.0 | Air Date: 2009-04-06
- 6 Always Buy Retail
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A man is killing people and posing them in Voodoo tradition. Castle's ex-wife announces her plans to move back to New York.
Average Episode Rating: 4.0 | Air Date: 2009-04-13
- 7 Home is Where the Heart Stops
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Beckett and Castle investigate numerous cases involving murders and home invasion jewel heists.
Average Episode Rating: 4.0 | Air Date: 2009-04-20
- 8 Ghosts
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Castle and Beckett investigate the murder of a woman found drowned in motor oil in a motel bathtub. They seek the help of a true crime journalist who might have a connection to the victim.
Average Episode Rating: 4.0 | Air Date: 2009-04-27
- 9 Little Girl Lost
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When a two-year-old girl is discovered missing from her home, Beckett is called in to assist with the investigation only to discover that the FBI agent in charge is, in fact, her ex-boyfriend. The two of them try to put aside their unresolved feelings as they race to find the girl, but when Castle inserts himself into the investigation, competition quickly heats up for Beckettâs attention.
Average Episode Rating: 4.0 | Air Date: 2009-05-04
- 10 A Death in the Family
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Castle and Beckett investigate the murder of a missing plastic surgeon who is found dead in the front seat of his car after a week of being parked curbside. As they delve into the twisted world of surgery obsessed patients and secret operations, Castle experiences a fatherly rite of passage as Alexis attends her first prom. And while looking into Beckettâs past, he unearths information that could end his relationship with her forever.
Average Episode Rating: 4.0 | Air Date: 2009-05-11