1. Legacy
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Oliver is forced to deal with a city that has become overrun with both criminals and a slew of new, and inexperienced, vigilantes.
Oliver, Team Arrow 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 from her in return.
CONTAINS VIOLENCE, ADULT SCENES AND FLASHING IMAGES Turn on Parental controls
19. Dangerous Liaisons - Oliver, Team Arrow 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 from her in return.
More infoOliver is forced to deal with a city that has become overrun with both criminals and a slew of new, and inexperienced, vigilantes.
Oliver's new recruits for Team Arrow are Curtis, Wild Dog and Evelyn Sharp. Unfortunately, the Green Arrow's training methods prove to be too much for some of them to handle.
Oliver has his new team but he doesn't feel they are ready. Headstrong Wild Dog defies the Green Arrow's orders and sets out on his own.
When Tobias Church launches a deadly assault against the city, Felicity must decide if she wants to send the recruits out without the Green Arrow to lead them.
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.
When Prometheus ups his killing spree, Oliver searches for connections between the victims. Felicity and Curtis discover the victims have a mysterious link to Oliver's past.
When the bodies of two criminals are dropped at SCPD, Oliver realises there is a new Vigilante in Star City. The team is split about what they should do.
Oliver wakes up to a life where he never got on The Queen's Gambit. Robert and Moira Queen are alive and well. Laurel is his loving fiance and their wedding is imminent.
After Prometheus attacks Curtis, Oliver realises that Prometheus knows all of Team Arrow's secret identities and is planning to come for them one by one.
Worried that Prometheus is right and that he truly is a killer, Oliver looks for a ray of hope. Felicity, however, is still reeling from Billy Malone's murder and bent on revenge.
In his quest to take down Kovar, Oliver gets help from a surprising source - Talia al Ghul. However, when she reveals what she wants from him in, Oliver isn't sure he can accept.
A mission takes Oliver and the team to Russia where they meet up with Oliver's old friend. Meanwhile, Quentin Lance returns to the Mayor's Office ready to get back to work.
A traumatic attack on City Hall triggers painful memories for Rene about his family. Flashbacks reveal how Rene went from simple family man to a hero named Wild Dog.
China White, Cupid and Liza Warner break out of Iron Heights and head to Star City. While Oliver tries to bring in the newly formed girl gang, the ACU intervenes mid-fight.
While Felicity continues down her dark path with Helix, Oliver faces his biggest challenge yet as mayor. Vigilante attacks Oliver leading Diggle to try and stop him.
Oliver gets closer to the truth about Prometheus. Meanwhile, Helix refuses to continue helping Felicity until she does a favour for them.
Prometheus goes to great lengths to break Oliver. Meanwhile, in flashbacks, Anatoly becomes worried about Oliver's increasing violence, which comes to a head in a confrontation.
Diggle and Felicity are shocked by Oliver's decision to call on the Bratva to help take down Prometheus. Concerned about the Bratva, Diggle has a hard conversation with Oliver.
Oliver, Team Arrow 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 from her in return.
Things get intense when Oliver and Felicity are trapped in the bunker together. Meanwhile, Lyla and Diggle deal with their marital issues.
Oliver returns to the Mayor's Office and faces one of his most pressing issues yet - the forced release of dozens of violent criminals prosecuted by Adrian Chase.
Black Siren returns to help Chase. Felicity organises a birthday party for Oliver while Lance is furious when Rene misses the custody hearing for his daughter.
The fight between Oliver and Adrian Chase culminates in a final epic battle. Oliver decides to recruit a group of unlikely allies to defeat Chase.