Official preview images for the CW Arrow TV series episode "Reversal"

The CW has now released some official photos to promote the fourth episode of Arrow Season 6!

The title of the episode is “Reversal” and Katie Cassidy is back as the Black Siren! Here’s how the network describes it; the new photos follow below.

BLACK SIREN STRIKES AGAIN – Just as Oliver (Stephen Amell) starts to get things in order, Black Siren (Katie Cassidy) launches another attack on the citizens of Star City. Gregory Smith directed the episode written by Sarah Tarkoff & Emilio Ortega Aldrich (#604). Original airdate 11/2/2017.