The "Arrow" episode "Brothers in Arms" airs April 5, 2018 on The CW:
"...'Oliver' (Stephen Amell) and 'Diggle' (David Ramsey) face their biggest challenge yet.
"Then 'Curtis' (Echo Kellum) is disappointed to find out a new friend has a firm anti-vigilante stance..."
Click the images to enlarge and Sneak Peek "Arrow: Brothers In Arms"...