Original air date: 10/05/2016 Runtime: 42:22 min. Oliver struggles to deal with a city overrun by criminals and new vigilantes; when deadly new foe, Tobias Church, enters the scene, Oliver considers creating a new team of superheroes; in flashbacks, Oliver faces off against the Bratva.
Original air date: 10/12/2016 Runtime: 42:23 min. Oliver’s new recruits for Team Arrow are Curtis, Wild Dog (guest star RICK GONZALEZ) and Evelyn Sharp (guest star MADISON McLAUGHLIN). Unfortunately, the Green Arrow’s training methods prove to be too much for some of them to handle. Meanwhile, in the flashbacks, Oliver’s initiation into the Bratva continues.
Original air date: 10/19/2016 Runtime: 42:21 min. Now that Oliver has his new team, they are ready to hit the streets, but Oliver doesn’t feel they are ready. Headstrong Wild Dog defies the Green Arrow’s orders and sets out on his own after a new drug dealer, Garret Runnels (guest star CODY RHODES), who is terrorizing Star City. Runnels proves more powerful than Wild Dog, leaving it up to the Green Arrow to go head-to-head with Runnels to save his teammate.
Original air date: 10/26/2016 Runtime: 42:11 min. Oliver and Lyla (recurring guest star AUDREY MARIE ANDERSON) team up on a secret mission for Diggle. When Felicity finds out, she disapproves of the plan and opts to stay behind. But 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.
Original air date: 11/02/2016 Runtime: 42:22 min. When Tobias Church captures and tortures one of Oliver’s new recruits, Oliver must turn to an old friend, Christopher Chance (guest star WIL TRAVAL) aka the Human Target, for help. Meanwhile, Felicity’s worlds collide when Detective Malone (guest star TYLER RITTER) joins the ACU.
Original air date: 11/09/2016 Runtime: 41:24 min. 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 and this new secret could upend his new team. Meanwhile, Thea has a heart-to-heart with Quentin, and Felicity considers telling Malone the truth about her work.
Original air date: 11/16/2016 Runtime: 42:21 min. When the bodies of two criminals are dropped at SCPD, Oliver realizes there is a new Vigilante in Star City. The team is split about whether they should stop someone who is helping keep the city safe. Diggle is frustrated with his new situation and Thea fights for Quentin who confesses a shocking secret. Meanwhile, in the flashbacks, Oliver finally sits down with Konstantin Kovar (guest star DOLPH LUNDGREN).
Original air date: 11/30/2016 Runtime: 42:22 min. In the 100th episode and second part of the epic Super Hero Crossover, Oliver wakes up to a life where he never got on The Queen’s Gambit. Robert (guest star JAMEY SHERIDAN) and Moira Queen (guest star SUSANNA THOMPSON) are alive and well. Laurel (guest star KATIE CASSIDY) is his loving fiancée and their wedding is imminent. Everything seems perfect, but Oliver starts to notice small imperfections that make him question this new reality. Meanwhile, Felicity and the Recruits take on a new threat with help from The Flash (guest star GRANT GUSTIN) and Supergirl (guest star MELISSA BENOIST).
Original air date: 12/07/2016 Runtime: 42:22 min. After Prometheus attacks Curtis, Oliver realizes that Prometheus knows all of Team Arrow’s secret identities and is planning to come for them one by one. Felicity and Detective Malone (guest star TYLER RITTER) discover a clue that links Prometheus to Oliver’s past.
Original air date: 01/25/2017 Runtime: 42:22 min. Worried that Prometheus is right and that he truly is a killer, Oliver looks for any ray of hope and finds it in what seems to be the miraculous return of Laurel Lance (guest star KATIE CASSIDY). Felicity, however, is still reeling from Billy Malone’s murder and bent on revenge – wanting to stop Prometheus at any cost. Meanwhile, Diggle fights for his life in prison.
Original air date: 02/01/2017 Runtime: 42:14 min. In his quest to take down Kovar, Oliver gets help from a surprising source – Talia al Ghul (guest star LEXA DOIG). However, when she reveals what she wants from him in exchange, Oliver isn’t sure he can accept her help. Felicity attempts to hack the NSA to help free Diggle, but when her online efforts are flagged, she faces off against an unknown adversary. Meanwhile, Curtis tells the team about a female vigilante, Tina Boland (guest star JULIANA HARKAVAY), he uncovered online who has been wreaking havoc all over the country.
Original air date: 02/15/2017 Runtime: 41:20 min. 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. Meanwhile, Oliver must deal with the perpetrator behind the attack and realizes the best way to do so is as Mayor Queen instead of the Green Arrow. And tensions run high in the Arrow bunker.
Original air date: 02/22/2017 Runtime: 42:23 min. China White (guest star KELLY HU), Cupid (guest star AMY GUMENICK) and Liza Warner (guest star RUTINA WESLEY) break out of Iron Heights and head to Star City for revenge. While Oliver tries to bring in the newly formed girl gang, the ACU intervenes mid-fight. To his surprise, they are there to arrest the Green Arrow for the murder of Detective Malone. Meanwhile, Lance feels responsible for the prison break after Warner tells him she heard about him working with Damien Darhk..
Original air date: 03/01/2017 Runtime: 42:26 min. While Felicity continues down her dark path with Helix, Oliver faces his biggest challenge yet as mayor. After Vigilante attacks Oliver while he’s acting as mayor, Diggle leads the team in a mission to stop Vigilante once and for all.
Original air date: 03/29/2017 Runtime: 42:22 min. Diggle and Felicity are shocked by Oliver’s decision to call on the Bratva to help take down Prometheus. Concerned that the Bratva may overstep, Diggle has a hard conversation with Oliver about what happens if things go wrong. Meanwhile, Felicity learns something shocking at Helix.
Original air date: 05/10/2017 Runtime: 42:22 min. 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. Meanwhile, a crate is delivered to Oliver’s office containing a mysterious corpse encased in concrete.
Original air date: 05/24/2017 Runtime: 42:24 min. The battle between Oliver and Adrian Chase culminates in a final epic battle on the island of Lian Yu. After recent events, Oliver decides to recruit a group of unlikely allies – Slade Wilson/Deathstroke (guest star MANU BENNETT), Nyssa (guest star KATRINA LAW), Malcolm Merlyn and Digger Harkness (guest star NICK. E. TARABAY) – to defeat Chase. However, Chase has his own army – Black Siren, Evelyn Sharp and Talia al Ghul – and the forces collide in an explosive season finale.