Arrow Season 5 Episode 9“What We Leave Behind”

The CW · S5E9 · Aired December 7, 2016 · 60 min · ★ 7.3/10

After Prometheus attacks and nearly kills Curtis, the team discovers that he is connected to one of the businessman Oliver killed when he first returned to Star City. Now Prometheus sets out to prove that everyone close to Oliver dies... by killing someone he knows. Meanwhile, an old friend returns to the bunker.

Check off episodes as you watch and see when the next one is out. Free, no ads.