In the first-season finale as Jake lies in critical condition, Laura and the team hunt his shooter, an assailant armed with a high-tech new weapon.
To stop Ra's from wiping out Starling City's population, Oliver is forced to reveal his true loyalties. However, when Ra's escapes, Oliver is forced to turn to his friends for help... but they still don't trust him after his betrayal.moreless
A young filmmaker is murdered, and an inexperienced detective causes problems with the investigation as Laura's team search for the killer.
A murdered club kid links back to a string of Diamond District jewelry heists. Jake's violation of divorced-parent etiquette forces Laura to reevaluate the seriousness of her relationship with Tony.
The mole within the League of Assassins sends an unexpected ally to Starling City to summon Diggle, Felicity, and Laurel. Meanwhile, Thea is reunited with Roy.. In the past, Oliver and Maseo capture Shrieve and attempt to get the cure from him.moreless
While Ra's grooms Oliver to become his successor, Nyssa continues her training of Laurel in Starling City. However, Ra's soon sends men to bring his daughter home, and Laurel asks Diggle and Felicity to help protect her friend.moreless
Deathbolt, a metahuman who can fire plasma blasts from his eyes, goes on a killing spree in Starling City. Oliver is forced to lie low after Roy claims to be Arrow and lets himself be arrested, so Ray offers to help against the new threat. In the past, Oliver finds out who is responsible for the attacks on him and Maseo's family.moreless
While Felicity decides whether she will help an injured Ray with an experimental treatment that could kill him, Oliver and his team go on the run when Quentin issues a warrant for the hero's arrest. Complicating matters, Ra's abducts Quentin as the next stage in his plan to discredit Oliver.moreless
After their second wedding, Lyla and Diggle are called away by Amanda to run a Suicide Squad mission to rescue a captive U.S. senator in Kasnia. Oliver tries to track down the Arrow imposter only to discover that there are more than one, and Ray learns that Oliver is Arrow.moreless
An intern at a tech start-up is killed, so the detectives investigate. Meanwhile, Laura has trouble scheduling alone time with the new man in her life.
Oliver returns from Nanda Parbat with Malcolm and Diggle after hearing Ra's out, and questions his mission. Meanwhile, a new villain, Murmur, steals a shipment of industrial diamonds. And Quentin turns against Arrow after learning the vigilante knew the truth about Sara's death.moreless
After discovering how he used her, Thea betrays Malcolm to the League. Oliver tries to stop them to spare Thea the guilt of killing her parent, and travels to Nanda Parbat with Diggle. Meanwhile, Felicity tries to get Ray to focus when she learns that he's on the ragged edge.moreless
Laura's ex-fiancé becomes a murder suspect in a former beauty queen's stabbing death. As Laura reminisces, the investigation leads the team into the world of holistic healing.
Laura and her team look for the killer of a beautiful Au Pair which sends them into the middle of a female escort ring. The precinct is in a frenzy when headquarters sends Detective Frankie Pulaski to investigate alleged indiscretions between Jake and Laura.moreless
Malcolm engineers Slade's escape to train Oliver and Thea in how to survive. Meanwhile, five years ago Amanda brings Oliver and Maseo to Starling City to recover the Omega bio weapon, and Oliver must decide whether to stop China White or stay with his friends and family who are falling apart without him.moreless
Laurel faces her greatest fear when Vertigo drugs her with the vertigo drug. Meanwhile, Oliver deals with the team's changes in his absence, and Chase makes his move against Thea.
Laura and the team investigate when a female impersonator is murdered. Laura and an old friend have a wild night out on the town.
The detectives go undercover at a gala for one of New York's most elite prep schools to investigate the death of a star athlete.
Malcolm suggests an alliance to take down Brick, but Felicity objects. Meanwhile, Oliver leaves Tibet while in the past, Malcolm discovers who killed Rebecca and goes after him with murder in his heart.moreless
Brick abducts three city alderman and demands that the mayor remove the police from the Glades. With Oliver gone, Arsenal and Diggle are all that stands between the crime lord and control of the district. However, Laurel insists on helping them, carrying on her sister's legacy as Black Canary. In the past, Maseo reveals to Oliver that he will do anything to save his family.moreless
Oliver has disappeared for three days, but Felicity refuses to accept that he's dead. Meanwhile, Diggle and Arsenal go after a new crime lord: Brick. Meanwhile, Malcolm travels to Tibet, Ray continues testing his battle armor over Felicity's objections, and Laurel steps outside the law to fight crime.moreless
Laura and her team investigate arson and the death of a teenage boy. Jake and a former firefighting flame create sparks. Laura tries to put work aside and concentrate on the twins' Winter Carnival.moreless
A crime in the culinary world is investigated by the detectives, and one suspect complicates things for Laura after she develops an intense crush on him.
A fertility doctor vanishes and his wife suspects foul play, so the detectives investigate and find themselves heading to the racetrack. Meanwhile, Laura earns the ire of a group of moms when the twins are accused of bullying others in their marital-arts class.moreless
Ra's al Ghul gives Oliver 48 hours to find Sara's murderer... or watch as the League kills 50 citizens a day. Meanwhile, Ray tries to apologize to Felicity for kissing her, and Oliver discovers who Sara's killer is.moreless
Barry travels to Starling City with Caitlin and Cisco, and ends up helping defend Lyla against an assassin determined to get his revenge on her despite Arrow and his friend's best efforts. In the past, Oliver is ordered to acquire information from a prison using whatever means necessary.moreless
Religious motives are suspected in a couple's murder. Meanwhile, Laura and Jake look for a new nanny and encounter a familiar face in their search.