When did Castle Season 8 Episode 16 air?
Castle Season 8 Episode 16 aired on April 4, 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.

A clue at the scene of the death of an armored-car driver leads Beckett and Castle back to an old case solved by Esposito. But complications arise when they learn that Esposito might not have been telling them everything about his past with the culprit.
Direct answers for episode-level questions and details.
Castle Season 8 Episode 16 aired on April 4, 2016.
This episode runs for approximately 44 minutes.
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