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Season 1 - Mar. 08, 2009
Season 2 - Sep. 21, 2009
Season 3 - Sep. 20, 2010
Season 4 - Sep. 19, 2011
Season 5 - Sep. 24, 2012
Season 6 - Sep. 23, 2013
Season 7 - Sep. 29, 2014
Season 8 - Sep. 21, 2015

Castle Season 4 Episode 3
HD
Overview:
A murder scene complete with lots of blood but no victim and high tech life-extension science are all part of the investigation as Castle and Beckett try to solve a murder without a body. Meanwhile, Alexis waits to hear news about her application to Stanford