Adrian tries to break Oliver, forcing him to confess the one thing that he's never told anyone else. In the past, Oliver unleashes his inner darkness to take down Kovar once and for all.moreless
While Oliver discovers Prometheus' true identity and who has been helping him, Felicity calls upon Helix's resources to help her find Susan.
As mayor, Oliver faces impeachment and Vigilante. He's forced to rely on Adrian to defend him in court and his teammates to defend him against Vigilante. Meanwhile, Felicity continues using the Pandora information and Curtis hopes to be reunited with his husband.moreless
Arrow's efforts to bring a new villain team of Chin white, Cupid, and Liza Warner to justice are cut short when the ACU receives evidence tying him to Billy's murder. Meanwhile, Thea convinces Felicity to help her take down Susan.moreless
Rene starts to relive painful memories from his past after a traumatic attack at City Hall. Meanwhile, Oliver believes that the best way to stop the one responsible for the attack is to do it as Mayor Queen rather than Green Arrow.moreless
After Walker escapes custody, he flees to Russia to sell the nuclear trigger and the team goes after them... even though the mission will cost them one of their own. meanwhile, Rene stays behind to help Quentin with an interview with Susan.moreless
While the team tracks down a meta to become the new Black Canary, Felicity rediscovers her hactivist roots. In the past, Talia offers to help Oliver get revenge on Kovar if he'll accept her help dealing with the monster within.moreless
The team realizes that Prometheus knows who they really are after the killer attacks Curtis. Meanwhile, Billy finds a clue to Prometheus' identity and sends it to Felicity... before the killer captures him.moreless
Oliver faces a new vigilante who reminds him of his killing days when he first returned from the island. Meanwhile, Quentin tells Thea about his blackouts, and Prometheus makes contact with his mole. In the past, Kovar tells Oliver about his new arrangement with the Bratva.moreless
Oliver realizes that Prometheus' current murder spree is based on his own killings when he first returned from the island... and keeps the information from the recruits. When they find out anyway, they're none too happy. Meanwhile, Felicity uses her relationship with Billy to steal evidence, and wonders whether to come clean with him about her second life.moreless
Lyla asks Oliver to help break Diggle out of military prison. When Felicity disapproves of the plan, Oliver goes in alone... unaware that Church has a new plan to secure his hold on Star City.moreless
Arrow and his team go up against a super-enhanced drug dealer that no longer feels pain. To beat him, Arrow will have to trust his recruits. Meanwhile, Thea gets a harsh listen in the power of the press, while Diggle questions his life after he is imprisoned for a crime he didn't commit.moreless
In the Season 2 finale, the guys treat a man who fears hospitals. In other events, Brian confronts his fear of moving out; and Johnny has a fear realized when Billy temporarily moves in with him and Theresa.moreless
After observing the respect that Theresa receives on the job, Johnny gets the guys to revive an old program in order to get a little respect for EMTs.
Johnny and his mom deal with his dad's slipping into a coma in very different ways: He tries to repay an old debt while she places bets on what time her former husband will die. In other events, the guys can't rid themselves of an unfortunate earworm.moreless
Johnny, Theresa, Billy and Maeve begin playing tennis together; Cash helps Hank shop for his mother's birthday present; and Brian fills in for Cash and rides with Voodoo and Stats.
The guys save the life of a notorious member of the mafia.
The guys encounter a python wrapped around a woman's neck and Theresa makes time for a sample sale.
Johnny has issues when Hank starts dating Johnny's landlord; and Billy helps a heartbroken Brian after Voodoo dumps him for a guy she met on an asexual message board.
Johnny and Hank ride along on Brian's first night shift.
The guys contemplate fate and serendipity after several random, but fortuitous, incidents; and Johnny becomes upset with Theresa when he learns that she doubts destiny brought them together.
Johnny and Hank are given free passes to a health club after treating a gym rat; and Voodoo tests Brian's ability to remain in a sexless relationship.
In the Season 2 premiere, Johnny finds a perfect apartment to share with Theresa thanks to a landlord with a nut allergy. In other events, Brian struggles with his platonic love affair with Voodoo; Billy begins dating Theresa's sister; and Hank wonders if he'll ever find love.moreless
Johnny deals with an overly grateful patient; and Brian agrees to take an injured young woman to her prom.