Oliver recruits Curtis, Wild Dog and Evelyn Sharp for his team, but his training methods prove to be too much for some to handle. In flashbacks, Oliver continues his initiation into the Bratva.

The Green Arrow is forced to face a powerful new drug dealer when Wild Dog goes off on his own.

When Tobias Church captures and tortures one of Oliver's new recruits, Oliver must turn to an old friend, Christopher Chance AKA the Human Target, for help. Meanwhile, Felicity's worlds collide when Detective Malone joins the ACU.

Felicity and Curtis learn that Prometheus's victims have a mysterious link to Oliver's past that could up-end his new team.

Oliver discovers there's a new vigilante in Star City when the bodies of two criminals are dropped at the SCPD. In flashbacks, Oliver faces Konstantin Kovar.

Oliver wakes up to a life in which his parents are alive and he is about to marry Laurel; Felicity faces a new threat with the help of The Flash and Supergirl.

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.

Worried that Prometheus may be right about him being a killer, Oliver finds a ray of hope in the apparent return of Laurel. Felicity swears revenge against Prometheus for causing Malone's death.

Talia al Ghul helps Oliver take down Kovar, but he isn't sure he wants it when she reveals what she requests in return.

A mission sends Team Arrow to Russia where Oliver encounters an old friend.

Following a traumatic attack on City Hall, flashbacks show how Rene became Wild Dog.

Three of Oliver's old foes break out of prison and form an alliance; Meanwhile, Lance is confronted about an old partnership.

When Vigilante attacks Oliver while he's acting as mayor, Diggle leads the team on a mission to stop Vigilante for good.

Oliver gets closer to the truth about Prometheus; Helix refuses to continue helping Felicity until she does a favor for them.

Prometheus goes to extreme lengths to destroy Oliver. In flashbacks, Oliver's violent tendencies come to a head in a confrontation with Anatoly.

Diggle and Felicity are shocked by Oliver's decision to ask the Bratva for help in taking down Prometheus.

Oliver, Team Arrow, ARGUS and the SCPD kick off a citywide manhunt for Adrian Chase. Helix tells Felicity they have a way to find Chase but they will need something big, and illegal, from her in return.

Oliver and Felicity get trapped in the bunker together, while Diggle and Lyla deal with marital issues.

Oliver faces the forced release of criminals prosecuted by Adrian Chase, while a crate is delivered to Oliver's office containing a corpse in concrete.

Black Siren returns to give Chase help; Felicity plans a birthday party for Oliver; Lance is angry with Rene for missing the custody hearing about his daughter.

Oliver assembles a group of unlikely allies - Slade, Nyssa, Merlyn and Digger Harkness - to engage in an epic battle against Chase and his army.