When did Castle Season 4 Episode 1 air?
Castle Season 4 Episode 1 aired on September 19, 2011.


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.

Detective Beckett fights for her life as Castle, plagued by guilt over his role in the events, struggles to uncover who's behind her brutal shooting. Meanwhile, back at the precinct, Ryan and Esposito have to adjust, as Victoria "Iron" Gates becomes the precinct's new uncompromising Captain.
Direct answers for episode-level questions and details.
Castle Season 4 Episode 1 aired on September 19, 2011.
This episode runs for approximately 44 minutes.
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