What We Leave Behind Arrow : Season 5 Episode 9
TV-14 The CW 42m
Aired: December 7th, 2016 @ 9:00 PM EST on The CW
After Prometheus attacks Curtis, Oliver realizes Prometheus knows all of Team Arrow’s secret identities and is planning to come for them one by one. Felicity and Detective Malone discover a clue that links Prometheus to Oliver’s past.
