When did Castle Season 8 Episode 20 air?
Castle Season 8 Episode 20 aired on May 2, 2016.


A whole new chapter in crime solving.
After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New York City to tag along with an NYPD homicide investigation team for research purposes.

After a movie star turned theater actor is mysteriously killed, Castle and Beckett go backstage and learn the star had more to worry about than just his lines.
Direct answers for episode-level questions and details.
Castle Season 8 Episode 20 aired on May 2, 2016.
This episode runs for approximately 44 minutes.
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