is the sixth episode of the second season of the crime drama Castle , which originally aired on October 26, 2009. This Halloween-themed episode is famous for its heavy pop-culture references, specifically to lead actor Nathan Fillion’s past role in Firefly . Plot Overview
: The murder is ultimately tied to a cold case from 18 years prior. Crow was a witness to his own mother's murder when he was a toddler. The killer, Janice (Matthew's nanny who later married his father), murdered him and his friend Jonas to keep her past crime a secret. Key Subplots [S2E6] Vampire Weekend
: Beckett tries to find out why Castle became a mystery writer. He tells her a dramatic story about finding a body as a child, which he eventually admits was fabricated. Notable Pop-Culture References is the sixth episode of the second season
: At the precinct Halloween party, other characters wear costumes referencing their actors' past roles, including Jon Huertas as his character from Generation Kill and Seamus Dever as a doctor, referencing his time on General Hospital . Season 2 Ep. 6: Vampire Weekend - LiveJournal Crow was a witness to his own mother's
: Alexis and her friend Paige are assigned a "parenting project" for school, which involves caring for an egg they name "Fagin". The plot takes a dark turn when Paige "murders" the egg as revenge for Alexis calling her parents after a party.
As Halloween approaches in New York City, Castle and Beckett investigate the murder of a young man found in a graveyard with a wooden stake driven through his heart.
: The case leads the duo into the world of "vampires" and "werewolves." They discover Crow was working on a graphic novel based on a man named Morgan Lockerby, who believed he was an actual vampire.