The "Arrow" episode "Confessions", directed by Tara Miele, featuring the return of 'Arsenal', airs April 29, 2019 on The CW:
"...'Arsenal" (Roy Harper) is called when 'Team Arrow' learns of an upcoming attack on the city from the 'Ninth Circle'.
"However, things go awry and there is massive collateral damage. As 'Captain' of the 'SCPD'...
"...'Dinah' (Juliana Harkavy) investigates what happened in true crime fashion..."
