What We Leave Behind
- Episode aired Dec 7, 2016
- TV-14
- 42m
After an attack on Curtis, Oliver realizes Prometheus is planning to make a deadly move on all of Team Arrow; Felicity and Malone find a clue that ties Prometheus to Oliver's past.After an attack on Curtis, Oliver realizes Prometheus is planning to make a deadly move on all of Team Arrow; Felicity and Malone find a clue that ties Prometheus to Oliver's past.After an attack on Curtis, Oliver realizes Prometheus is planning to make a deadly move on all of Team Arrow; Felicity and Malone find a clue that ties Prometheus to Oliver's past.