After the death of his wife, Damien prepares to destroy the world rather than bear the loss. Oliver turns to an unexpected ally to defeat the black magician.
Team Arrow takes on Shadowspire, an elite black-ops military team gone rogue. When Diggle learns that Andy is connected to them, he turns to his brother for help. Meanwhile, Felicity deals with her first day back on the job as the computer hack for the team.moreless
With Star City in peril from a new gang, Laurel and Thea go behind Diggle's back and ask Oliver and Felicity to come back to help them.
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
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
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.
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
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
Nyssa believes that Malcolm is Sara's killer, but Oliver isn't convinced. As they seek the truth, Laurel seeks revenge for her sister's murder and Roy tries to repair his relationship with Thea.
Now that Arrow has crime in Starling City under control, Oliver tries to have a personal life. However, he and Roy are forced to forgo their personal plans when a new Count Vertigo begins dealing drugs, and a charming scientist makes a bid for Queen Consolidated. Meanwhile, Diggle has a new child, Quentin gets a promotion, and Laurel joins Arrow's crimefighting efforts.moreless
Oliver must fight to maintain his vow not to take a life when Slade kidnaps someone close to him. Meanwhile, it's Thea who turns to Roy for help, and Diggle takes on ARGUS.moreless
As Slade unleashes his wave of Mirakuru-enhanced soldiers on Starling City, Oliver and his team prepare to take them on. Meanwhile, Malcolm returns to town to meet his biological daughter.
Oliver decides the best way to protect everyone in the crossfire is to surrender himself to Slade before his friends are hurt further. When they realize what Oliver plans to do, Diggle and Felicity band together to stop him. Meanwhile, Laurel renews her investigation into Blood's activities, and Thea considers leaving Starling City.moreless
On the heels of Bobby's appointment as Railroad Commissioner, John Ross scrambles to find the funds to keep the Arctic lease deal alive, even if it means betraying those who love him most. Sensing an opportunity, Elena and Nicolas get Pamela and John Ross out of the office to divide and conquer. Meanwhile, things get complicated for Christopher and Heather, and Ryland's plot to keep Emma and John Ross apart takes an unexpected turn.moreless
A.R.G.U.S. recruits Diggle to take down a former acquaintance who is now planning to take over Afghanistan. However, he discovers that his new team will consist of three criminals that he formerly put away: Deadshot, Bronze Tiger, and Shrapnel. Meanwhile, Oliver pushes away Sara as he prepares for his battle with Slade.moreless
Bronze Tiger escapes from prison and goes after a prototype of Malcolm's earthquake machine. Meanwhile, Roy refuses to train with Arrow unless the vigilante reveals his true identity, Laurel is disbarred, and Thea tries to get Walter and Moira to reconcile.moreless
A.R.G.U.S. recruits Diggle to rescue Lyla, who has disappeared in Moscow following a lead on Deadshot. Oliver and Felicity volunteer to go with their friend, but run into trouble when Isabel insists on accompanying them. Meanwhile, Moira's attorney suggests that Thea stop dating Roy because it's hurting Moira's defense.moreless
The CSI team is brought in to investigate a reality cooking show when contestants accidentally eat human flesh during a competition.
Not your typical private investigators, Sean King and Michelle Maxwell are former Secret Service who use their unique skills and razor-sharp chemistry to solve cases ahead of law enforcement. King's former career ended when the person he was to protect was assassinated but now he's added a law degree which gives him a leg up to navigate the system. Former elite athlete Maxwell uses her brains and beauty to advantage. When Sean's lawyer friend is murdered under mysterious circumstances, he decides to represent the serial killer in hopes of finding what really happened. Working together, King and Maxwell find that there may be political repercussions to the case.moreless
Graduation has arrived and Mystic Falls is filled with ghosts that are planning to settle unfinished business and to fulfill their destinies. Damon is in grave danger when he meets a ghost, while Matt and Rebekah work together against a ghost that is trying to reach the cure. Everyone gathers up for Graduation when help comes from someone unexpected. At the same time Caroline gets a surprising graduation gift and Bonnie is very close at closing the veil. Elena makes a decision about the Salvatores and has a showdown with Katherine. Stefan makes a horrifying discovery about Silas.moreless
Even though outnumbered, Spartacus and his rebel army make one last effort to win freedom in a decisive battle against the Romans commanded by Marcus Crassus.
Spartacus works toward securing a bargaining chip to use against the Romans. Crassus comes upon the knowledge that a fellow notable Roman has embarked on his same quest to get the glory of defeating Spartacus.moreless
Spartacus and his men reach a critical juncture while Crassus and his army continue their implacable pursuit of the rebels. The conflict between Caesar and Tiberius becomes bigger.
Damon understands that Elena needs to get away from Mystic Falls, so he takes her to New York, where he used to live and party back in the 1970s. When Rebekah shows up as well, she is impressed by Elena's secret plan. Flashbacks reveal Damon's wild lifestyle in the 70s underground club scene, along with an encounter with Lexi. Back in Mystic Falls, Caroline and Stefan try to convince Klaus that it would be best for him to help them location Silas, and Bonnie works to keep her hold on reality and determine the best course of action.moreless
The rebel forces become stranded on a snowbound ridge where Spartacus and Crixus crash over strategy. Crassus' command on those closest to him fades.