When did Castle Season 7 Episode 16 air?
Castle Season 7 Episode 16 aired on February 23, 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.

When an astronaut, training for a trip to Mars, is mysteriously killed inside a Mars simulation, Castle and Beckett don spacesuits to investigate. But when they discover no one inside the sealed simulation could have committed the murder and no one from the outside could get in, the case takes a shocking turn
Direct answers for episode-level questions and details.
Castle Season 7 Episode 16 aired on February 23, 2015.
This episode runs for approximately 44 minutes.
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