Duration: 42m

TV-14 8.3 Action / Sci-Fi / Crime / Drama / Adventure

Arrow S3E21

Oliver undergoes a transformation as Laurel seeks help for Nyssa against the League of Assassins.

Release Date: April 29, 2015 (USA)

Creator: Marc Guggenheim, Andrew Kreisberg & Greg Berlanti

Cast: Stephen Amell, David Ramsey, Emily Bett Rickards, Katie Cassidy, Paul Blackthorne, Willa Holland, Rick Gonzalez, Colton Haynes, John Barrowman