“Brothers in Arms” — (9:00-10:00 p.m. ET) (Content Rating TBD) (HDTV)
OLIVER MAKES A DARING MOVE THAT COULD COST HIM EVERYTHING — Oliver (Stephen Amell) and Diggle (David Ramsey) face their biggest challenge yet. Curtis (Echo Kellum) is disappointed to find out his new boyfriend has a firm anti-vigilante stance. Mark Bunting directed the episode written by Sarah Tarkoff & Jeane Wong (#617). Original airdate 4/5/2018.