Where To Stream Arrow Season 5 Episode 9
What We Leave Behind
- Aired December 7, 2016
- 60 Min
- Rated 7.3
- Number 51 Of 170 Rated Episodes
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.