Arrow Season 4 Episode 12 Unchained ( Air Date 2016-02-03 ) Genre Crime, Drama, Action & Adventure category. Overview "The team faces off against a formidable villain nicknamed The Calculator. Meanwhile, Nyssa makes her move and Roy Harper returns to Star City.".
Arrow Season 4 Episode 12 Unchained
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- Watch: Arrow Season 4 Episode 12 Unchained on CWR-CRB
- Stars: Stephen Amell, David Ramsey, Rick Gonzalez, Juliana Harkavy, Katherine McNamara, Ben Lewis, Joseph David-Jones, Katie Cassidy
- Director: Mark Bunting, Marc Guggenheim, Beth Schwartz, Greg Berlanti, Blake Neely, Ken Shane
