Season 4 · Episode 2 of 23
Aired Sep 26, 2011
Heroes & Villains
Mon, Sep 26, 2011
·
45 min
Streaming on Hulu, Prime Video, Disney+, The Roku Channel + 5 more
0 of 23 watched this season
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 – and may indeed be a Superhero. Can they capture and unmask the killer before he strikes again?
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Airs
Mon, Sep 26, 2011
45 min
Show
Castle
173 episodes
Episode
S4 · E2
in Castle