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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 2
HD
Overview:
When an ex-con is mysteriously slain in an alley, Castle and Beckett believe a vigilante is behind the murder. But efforts to identify their suspect are thwarted when they discover that he roams the city in a Superhero costume