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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.


... Richard Castle

... Kate Beckett

... Javier Esposito

... Javier Esposito

... Kevin Ryan

... Kevin Ryan

... Martha Rodgers

... Lanie Parish

... Alexis Castle

... Alexis Castle

Season 8

22 episodes

Season 8 of Castle premiered on 2015.

Season 7

23 episodes

Season 7 of Castle premiered on 2014.

Season 6

23 episodes

Season 6 of Castle premiered on 2013.

Season 5

24 episodes

Season 5 of Castle premiered on 2012.

Season 4

23 episodes

Season 4 of Castle premiered on 2011.

Season 3

24 episodes

Season 3 of Castle premiered on 2010.

Season 2

24 episodes

Season 2 of Castle premiered on 2009.

Season 1

10 episodes

Season 1 of Castle premiered on 2009.

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Frequent questions about Castle

Where can I watch the Castle on the Web?
You can watch the Castle online at
Who starred in the Castle?
Nathan Fillion, Stana Katic, Jon Huertas played the leading parts in the Castle
How many seasons of the Castle series are available online?
There are 8 seasons available on the Web
What are the age-restrictions for the Castle?
The Castle has a "TV-14" film rating.