Weekend | [s2e6] Vampire

: Upon seeing the staked body, Castle quips that "Buffy's visiting the Big Apple," a nod to Fillion’s role as the villain Caleb in Buffy the Vampire Slayer .

: 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 [S2E6] Vampire Weekend

: 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 : Upon seeing the staked body, Castle quips