When did Castle Season 8 Episode 1 air?
Castle Season 8 Episode 1 aired on September 21, 2015.


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 passing the Captain's exam last season, Beckett was surprised with an offer to run for State Senate. In the action packed season premiere, Castle and Beckett are adjusting to Beckett's career change, when a call from a mysterious stranger sets off an explosive chain of events. There are two sides to every story, and this unique two-parter will explore the same story from each of their perspectives, first from Castle's side as he searches for Beckett.
Direct answers for episode-level questions and details.
Castle Season 8 Episode 1 aired on September 21, 2015.
This episode runs for approximately 44 minutes.
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