Sneak Peek footage, plus images from the "Arrow" episode "Fundamentals", directed by Ben Bray, airing April 12, 2018 on The CW:
"...in his darkest place yet, 'Oliver' (Stephen Amell) wonders if he has failed at everything - being a father, a mayor and a hero. His frustration rising, Oliver lashes out at 'Felicity' (Emily Bett Rickards) and 'William' (Jack Moore).
"Then a surprising visit from an old friend has Oliver questioning his next move..."
Click the images to enlarge and Sneak Peek "Arrow: Fundamentals"...