Season 4, Episode 2 Heroes & Villains
First Aired: September 26, 2011
Castle and Beckett think a vigilante is responsible for an ex-con's murder, but the case takes an unexpected twist when they realize the suspect dons an actual superhero disguise.
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- Premiered: March 9, 2009
- Rating: TV-PG
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- Premise: Successful mystery novelist Richard Castle starts working with the New York Police Department (NYPD) homicide investigation team after a serial killer decides to use plots from his novels for no good. (more)