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One year ago, Oliver Queen was rescued after being stranded on an island for five years. In place of the playboy he was, Oliver returned as a man bent on righting the wrongs of his family and those who had corrupted his city, as a hooded vigilante.
After his failure to stop Malcolm Merlyn from destroying the Glades and the consequent death of his best friend Tommy Merlyn, Oliver abandons his hood out of guilt. However, Oliver is forced to return to save both his family's company and his family, as Starling City has fallen into further ruin since the Undertaking. With allies, John Diggle and Felicity Smoak, Oliver will fight to honor his best friend as the Arrow, all the while on the run from his former ally, Laurel Lance.
During the flashbacks, Oliver is forced to deal with Dr. Anthony Ivo in his quest to find the Mirakuru, a strength-enhancing serum created by the Japanese in World War II. This results in Shado's death, but Oliver is also being reunited with Sara Lance, whom he chose over Shado when Ivo forced him to save only one of them. The story also focuses on Slade Wilson who gets injected with the serum, and his transition into the villain named Deathstroke. Eventually Slade discovers Oliver's involvement in Shado's death and tries to kill him instead. Oliver manages to get back to Slade after being left on the island, but the boat is wrecked when Anatoly destroys it on Oliver's orders and Sara is "killed" again. Oliver manages to stab Slade in the eye and believes him to be dead since he is pulled under with the wrecked boat. However, Oliver wakes up in Hong Kong where he meets Amanda Waller.
In the present day Oliver, Diggle, and Felicity fight various criminals and gangs who are trying to take advantage of the chaos in the Glades after the Undertaking. Moira is put on trial for her involvement with Malcolm's Undertaking, while Roy Harper continues to look for the Arrow. Oliver also becomes closer friends with city alderman Sebastian Blood, while being forced to co-run his company with Isabel Rochev. Meanwhile, Moira is acquitted of all charges, but discovers that Malcolm Merlyn is still alive, and he has discovered he is the true biological father of Thea.
Oliver also works with Sara, who is still alive in the present and is now also a vigilantie named "Canary", while he also encounters Brother Blood, unaware that he is Sebastian, who has been injecting people with Mirakuru. After believing him to be killed, as Sebastian deceived Oliver by using a double, Oliver discovers that Slade Wilson is still alive in the present and is the true mastermind behind the Mirakuru plot, which is all part of a complex vendetta Slade has against Oliver for events that occurred on the island, above all Shado's death.
As part of his plan, Slade has Isabel, revealed to be working for him, take control of Oliver's company which causes the latter to go broke, losing the house and the club. Slade kidnaps Thea and tells her about her true parentage, which causes her to become distant from her family, just before Slade murders Moira in front of Oliver and Thea, and allows Sebastian to become mayor of Starling. However, Blood believes that Slade will only destroy enough of the city to make it ready for his leadership, only to be double crossed by him and Slade proceeds to destroy the whole city. This causes Amanda Waller to unleash a drone strike on the city. Additionally, Roy's Mirakuru injection sends him out of control, forcing Oliver to induce a coma to keep him effectively sedated.
Eventually, Sebastian betrays Slade and gives Oliver the Mirakuru cure, manufactured by S.T.A.R. Labs on Felicity's orders and stolen back by Slade, for which act he is killed by Isabel. Slade makes his move and kidnaps Laurel and Felicity. Meanwhile, Oliver, Sara and Roy team up with Nyssa al Ghul and the League of Assassins against Slade's army whilst John, Lyla and Deadshot move against Waller to stop her destroying the city, which they succeed in. The battle results in Isabel's death and the Mirakuru-injected soldiers returning to normal before Oliver and Slade, the latter injected and "cured" by Felicity, face off against each other, but unlike the last time Oliver chooses not to kill him. At the same time, Malcolm returns to Starling to protect Thea and convince her to go with him, since everyone has been lying to her.
In the aftermath of the attack, Oliver, John and Felicity imprison Slade within an A.R.G.U.S. holding facility on Lian Yu itself, Quentin falls into a coma in front of Laurel, Sara leaves and rejoins the Assassins with Nyssa, John and Lyla are revealed to be expecting a baby, and Thea goes with Malcolm out of anger towards everyone lying to her and leaves Roy.
- Stephen Amell as Oliver Queen/The Arrow
- Katie Cassidy as Laurel Lance
- David Ramsey as John Diggle
- Willa Holland as Thea Queen
- Emily Bett Rickards as Felicity Smoak
- Colton Haynes as Roy Harper
- Manu Bennett as Slade Wilson/Deathstroke
- Susanna Thompson as Moira Queen
- Paul Blackthorne as Quentin Lance
- Colin Salmon as Walter Steele
- Celina Jade as Shado
- Adrian Holmes as Frank Pike
- Caity Lotz as Sara Lance/The Canary
- Summer Glau as Isabel Rochev/Ravager
- Dylan Bruce as Adam Donner
- Michael Jai White as Ben Turner/Bronze Tiger
- Kevin Alejandro as Sebastian Blood/Brother Blood
- Roger Cross as Lucas Hilton
- Teryl Rothery as Jean Loring
- Bex Taylor-Klaus as Sin
- Jimmy Jean-Louis as The Captain
- Jesse Hutch as Daily
- Audrey Marie Anderson as Lyla Michaels
- Dylan Neal as Anthony Ivo
- Cynthia Addai-Robinson as Amanda Waller
- John Barrowman as Malcolm Merlyn/Dark Archer
- Chelah Horsdal as Kate Spencer
- Grant Gustin as Barry Allen
- Sean Maher as Mark Scheffer/Shrapnel
- Nicholas Lea as Mark Francis
- Katrina Law as Nyssa al Ghul
- Alex Kingston as Dinah Lance
|#||Episode name||Directed by||Story by||Teleplay by||Original airdate|
|1||""||John Behring||Greg Berlanti||Andrew Kreisberg & Marc Guggenheim||October 9, 2013|
|Diggle and Felicity travel to Lian Yu in search of Oliver, who left Starling City after The Undertaking. Convinced to return home, Oliver finds that things are in worse shape than he thought – Isabel Rochev is preparing a hostile takeover of Queen Consolidated, Thea refuses to visit Moira in jail, Roy is trying to fill the void left by The Hood's absence, and Laurel is working with the District Attorney's office to take down the vigilante. Meanwhile, flashbacks to the island show Slade, Shado and Oliver in a desperate situation.|
|2||""||Nick Copus||Ben Sokolowski & Beth Schwartz||October 16, 2013|
|Oliver finds out that the medicine sent to Glades Memorial is being hijacked by thieves. Without an influx of supplies, the hospital will close. Roy attempts to stop the thieves, but he fails and is arrested by Officer Lance. Oliver gets into a heated battle with China White and her new partner, Ben Turner, AKA the Bronze Tiger, over the supplies. Meanwhile, Laurel makes plans to catch The Hood, and Thea gives Roy an ultimatum.|
|3||""||Glen Winter||Marc Guggenheim & Keto Shimizu||October 23, 2013|
|Quentin Lance learns a criminal named Barton Mathis, whom he put away years ago, broke out of prison during the quake and is back to torturing and murdering women. Felicity offers herself as bait so The Arrow, Diggle and Quentin can catch this villain, but the plan goes awry. Furious, Mathis kidnaps Laurel in retaliation and plans to murder her while Quentin watches. Meanwhile, Thea and Oliver are stunned when District Attorney Adam Donner seeks the death penalty for Moira. The Arrow asks Roy to help him find The Canary.|
|4||""||Eagle Egilsson||Andrew Kreisberg & Wendy Mericle||October 30, 2013|
|Oliver discovers a man who goes by the name "The Mayor" is bringing illegal guns into the Glades, so Oliver sponsors a "Cash for Guns" event to help clean up the city. Unfortunately, The Mayor crashes the event with his gang and seriously injures Sin. The Canary is furious when she learns her friend is in the hospital and sets out for revenge. Meanwhile, Felicity stuns Oliver with a bit of information about the Canary, Donner asks Laurel to dinner, and Diggle reconnects with an old friend.|
|5||""||Wendey Stanzler||Jake Coburn & Drew Z. Greenberg||November 6, 2013|
|While Oliver tends to Sara's wounds, he tries to get her to talk about where she came from but she refuses. However, after Oliver and Sara are attacked at the Queen mansion by a trained killer from the League of Assassins, she confesses to how she's connected with the nefarious group. Meanwhile, with Moira facing multiple counts of murder and conspiracy for her part in the destruction of The Glades, the Assistant District Attorney offers her a choice – plead guilty now and avoid the death penalty or take your chances in court. Thea begs her mother to fight for her life, but Moira seems resolute about taking the offer. Meanwhile, Oliver is furious with Laurel for joining the prosecution's team on his mother's case.|
|6||""||Guy Bee||Ben Sokolowski & Beth Schwartz||November 13, 2013|
|Amanda Waller sends A.R.G.U.S. agents to kidnap Diggle. Waller informs Diggle that Lyla has gone missing after following a lead on Deadshot in Moscow. When Diggle tells the team he's headed to Russia to rescue Lyla, Oliver and Felicity decide to join, but things get messy when Isabel shows up on the tarmac and insists on participating in Oliver's "work trip". Meanwhile, Moira's lawyer, Jean, tells Thea that dating Roy, a known criminal, is hurting her mother's case.|
|7||""||Bethany Rooney||Marc Guggenheim & Drew Z. Greenberg||November 20, 2013|
|Oliver is concerned when a mysterious illness sweeps the city, infecting hundreds of people, including Diggle. Oliver discovers Vertigo in Diggle's blood and realizes The Count has broken out of prison and is once again distributing his drug. Meanwhile, Moira goes on trial for her participation in the Undertaking. ADA Adam Donner collapses in court with Vertigo symptoms, so Laurel must step in and try the case against Moira. Oliver is torn between standing by his family during the trial and catching Count Vertigo. However, things change when Felicity follows a lead and walks straight into a trap set by Count Vertigo.|
|8||""||Michael Schultz||Greg Berlanti & Andrew Kreisberg||Andrew Kreisberg & Geoff Johns||December 4, 2013|
|A seemingly impossible robbery at Queen Consolidated's Applied Sciences Division brings Central City police scientist Barry Allen to town. Citing a similar case back home, Barry offers to help Oliver and team with the investigation. Oliver senses there is more to Barry than meets the eye, but he's distracted by the similarities between this current case and something that happened on the island. Meanwhile, Felicity takes a liking to Barry, which doesn't go unnoticed by Oliver. Sin asks Roy for help when a friend of hers goes missing. Roy is surprised when Thea not only encourages him to help, but joins the search. Unfortunately, Sin's friend is connected to Brother Blood, and their search ultimately gets one of them seriously injured.|
|9||""||John Behring||Greg Berlanti & Andrew Kreisberg||Geoff Johns & Ben Sokolowski||December 11, 2013|
|After a fight with Cyrus Gold AKA the Acolyte, Oliver is drugged and left for dead. Determined to cure him, Felicity makes a risky decision. The cure causes Oliver to hallucinate, and what he sees forces him to confront his past. Meanwhile, Barry continues to help Felicity, and their connection grows stronger. The Arrow asks Quentin to look into Cyrus, but when the stakeout on Cyrus goes bad, someone is killed. Roy is captured and tortured by Brother Blood.|
|10||""||Rob Hardy||Jake Coburn & Keto Shimizu||January 15, 2014|
|Oliver must tackle a new threat to the city when bombs start to go off in Starling City. Felicity discovers the person setting them off is Mark Scheffer, a man who goes by the nickname Shrapnel. The Arrow discovers Shrapnel's next target is Sebastian Blood's "Unity Rally" and tries to talk the alderman out of hosting it, but he refuses. The Arrow sets off to stop the bombing, but Shrapnel tricks him and traps him in a bomb-laced antique store, where he is unable to move without setting off the device. While Felicity helps Oliver, Diggle races to the plaza to find the bomb before it goes off. Meanwhile, Roy continues to hide his new strength from Thea, but after she witnesses his super strength in action at the rally, she demands answers. Laurel's suspicions about Sebastian grow stronger once she learns that he grew up with Cyrus Gold, the man who killed Quentin's partner. After Donner refuses to help her investigate, she turns to the Arrow for help.|
|11||""||Glen Winter||Wendy Mericle & Beth Schwartz||January 22, 2014|
|Oliver is conflicted after Laurel reaches out to the Arrow, asking him to investigate Sebastian Blood. Oliver is unsure whether to believe her accusations against the man he has publicly supported for mayor, but decides to trust Laurel. However, when the pair gets too close to the truth, Sebastian exposes Laurel's drug addiction and has her arrested. Meanwhile, Roy reveals his new super-strength to Sin, who wants to test out his abilities. Unfortunately, Roy isn't able to contain his rage once unleashed and almost kills a man. Back on the island, Oliver is surprised when Sara reveals a secret about Laurel.|
|12||""||Guy Bee||Marc Guggenheim & Drew Z. Greenberg||January 29, 2014|
|The Arrow offers to train Roy so he can learn to control his enhanced strength. However, Roy is a rebellious student and refuses to listen unless The Arrow reveals his true identity, which Oliver declines to do. Meanwhile, Bronze Tiger escapes from prison and steals the Markov Device to sell to the highest bidder. Oliver, Diggle and Felicity attempt to stop the transfer, but Roy gets in the way, putting everyone in danger. Laurel is disbarred and spirals out of control. Moira is thrilled when Walter asks her to dinner, but his reason surprises her. Thea encourages her mother to ask Walter to reconcile.|
|13||""||Wendey Stanzler||Jake Coburn||February 5, 2014|
|As Laurel continues to unravel, Oliver and Quentin try to convince Sara to stay in Starling City and finally reunite with Laurel and Dinah. However, Sara's fellow League of Assassins member, Nyssa, comes to bring Sara back to the fold, but when Sara refuses, Nyssa kidnaps Dinah. Realizing she's putting her family in danger by staying in town, Sara considers re-joining the League.|
|14||""||Nick Copus||Wendy Mericle & Beth Schwartz||February 26, 2014|
|Oliver brings Sara into Team Arrow. Watching Oliver and Diggle spar with Sara and talk old scars, Felicity starts to feel left out. The team is investigating a villain named William Tockman, a.k.a. The Clock King, who is a brilliant thief armed with technology that can open any bank vault in Starling City. After The Clock King infiltrates the computer systems in the lair, Felicity feels pressure to prove her worth. When she gets a lead on Tockman's whereabouts, she heads out without the team, putting herself in peril. Meanwhile, Oliver throws Sara a welcome home party, but Laurel refuses to attend. After Quentin makes his case for a family dinner, Laurel acquiesces, but when Oliver shows up with Sara, she loses her temper on both of them.|
|15||""||Glen Winter||Jake Coburn & Ben Sokolowski||March 5, 2014|
|Oliver is shocked when he learns that Slade has come to Starling City. Back on the island, as Oliver, Slade and Sara prepare to take over the freighter from Ivo, Sara pulls Oliver aside and tells him he needs to kill Ivo to prevent him from telling Slade what happened with Shado. Oliver feels immense guilt over the situation but realizes Slade's growing rage from the Mirakuru makes him unpredictable, and he could turn on his friends if he thinks Oliver is to blame. Oliver agrees to kill Ivo and the battle begins.|
|16||""||Larry Teng||Keto Shimizu & Bryan Q. Miller||March 19, 2014|
|While Oliver prepares for battle with Slade, Lyla asks Diggle to go on a mission alongside the Suicide Squad, a team assembled by Amanda Waller to undertake high-risk missions, even though the team includes Diggle's nemesis, Deadshot, and old enemies Bronze Tiger and Shrapnel.|
|17||""||John Behring||Mark Bemesderfer & A.C. Bradley||March 26, 2014|
|When Frank Bertinelli is arrested, Oliver knows it's only a matter of time before his daughter, Helena, AKA The Huntress, returns to town. To make matters worse, Laurel is picked to try Frank's case, putting her right in the path of Helena. Oliver tells Sara he will handle his ex-girlfriend, but when Helena takes hostages at the courthouse, including Laurel, the Canary will stop at nothing to save her sister. When The Huntress and Canary meet, an epic battle begins. Meanwhile, Roy realizes he needs to keep Thea safe, but doesn't like the way he is forced to go about it.|
|18||""||Guy Bee||Marc Guggenheim & Drew Z. Greenberg||April 2, 2014|
|Slade makes his move against Oliver and the repercussions are enormous. While Oliver scrambles to protect his family, a key player in his team starts to question Oliver's decisions. Meanwhile, Isabel makes her move to take Queen Consolidated away from Oliver.|
|19||""||Jesse Warn||Greg Berlanti & Geoff Johns||Andrew Kreisberg & Keto Shimizu||April 16, 2014|
|Oliver, Sara, Diggle and Felicity return to the lair and find Slade waiting for them. An epic battle breaks out and one member of Team Arrow is sent to the hospital. Thea hits her breaking point, but just as Oliver is about to reach her, Slade intervenes and Oliver is faced with a choice – his battle with Slade or his family. Meanwhile, Laurel struggles with a new secret.|
|20||""||Doug Aarniokoski||Wendy Mericle & Beth Schwartz||April 23, 2014|
|The Mirakuru sends Roy into an uncontrollable rage and he unleashes on the city. After Roy's deadly fight with a police officer, Oliver realizes the Mirakuru has taken over Roy completely and must figure out a way to stop him. Things get more complicated after Sara declares that Roy is too far gone and the only way to stop him is to kill him. Meanwhile, Thea believes she can break through to Roy, so she goes on camera at Moira's campaign rally to lure him to Verdant. Her ploy works but after Roy attacks Thea, Team Arrow unleashes on him.|
|21||""||Michael Schultz||Holly Harold||April 30, 2014|
|After Slade threatens to take everything Oliver loves away, Oliver decides the fastest way to stop further bloodshed is to surrender to his enemy. Knowing that surrender will surely lead to Oliver’s death, Diggle and Felicity go to extreme measures to keep Oliver from confronting Slade. Meanwhile, Thea considers leaving town, and Laurel resumes her crusade against Sebastian Blood. Finally, Slade unleashes his assault on Starling City.|
|22||""||Nick Copus||Jake Coburn & Ben Sokolowski||May 7, 2014|
|Oliver rallies his team as Slade's soldiers attack the city. Felicity gets a call from S.T.A.R. Labs with game-changing news and Thea comes face-to-face with her father – Malcolm Merlyn.|
|23||""||John Behring||Greg Berlanti||Marc Guggenheim & Andrew Kreisberg||May 14, 2014|
|Slade moves forward with his plan to kill one more person in Oliver's life. While Oliver has fought all year to be more than the killer he once was, when Slade kidnaps someone close to Oliver’s heart, Oliver is pushed to the edge and realizes sometimes it takes doing the unthinkable to stop the monster. Meanwhile, Diggle takes on Amanda Waller with a little help from some friends, and Thea turns to Roy in her time of need.|
Home media release
- Main article: Arrow: The Complete Second Season
A boxset of the second season, titled Arrow: The Complete Second Season, was released on DVD and Blu-ray on September 16, 2014. It contains additional features, deleted scenes, gag reel and the Arrow panel from the San Diego Comic-Con International 2013.
An novel titled Arrow: Vengeance was released on February 23, 2016. The events of the novel takes place before the events of Arrow and later Arrow season 2. It tells the story from the perspectives from Slade, Isabel and Sebastian.
- This is the second season to have a main character killed off.
- This is the last season in which the main antagonist is not killed until Season 6.
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