ARROW
CW, 8:00 p.m. ET
Part 2 of 2. Look! Up on the tube! It’s a Flash! It’s an Arrow! It’s a backdoor pilot for a new DC Comics spinoff! Tonight’s episode of Arrow, concluding a story that began last night on The Flash, is all of those, setting up yet another new superhero series to premiere next year. What will they think of next? Usually, what someone already thought of at least once before…