Original air date: 10/12/2017 Runtime: 42:23 min. Following the devastating explosion on Lian Yu that left his team in jeopardy, Oliver returns home to begin a new chapter in his life where he will confront a challenge unlike any he’s ever faced: fatherhood. The aftermath of Adrian Chase’s maniacal scheme throughout Season Five reminded Oliver how strongly he values family, both biological and chosen. With support from his team, Oliver is determined to embrace his new role as father to William (recurring guest star JACK MOORE) while still serving and protecting his city as the Mayor and the Green Arrow. But when unexpected enemies from his past return to Star City and threaten his role as protector on three fronts, Oliver is forced to rethink his relationship with each member of his “family”.
Original air date: 10/26/2017 Runtime: 41:55 min. A rogue black ops team led by Onyx (guest star CHASTITY DOTSON) breaks into Kord Industries and steals something lethal. Meanwhile, Oliver’s still struggling to connect with William, so he reaches out to a surprising source for help.
Original air date: 11/09/2017 Runtime: 42:28 min. Slade (recurring guest star MANU BENNETT) returns and asks Oliver for help in tracking down his son. When they learn Joe (guest star WILLIAM FRANKLYN-MILLER) has been taken hostage by mercenaries, their mission to save him gets complicated by a terrible revelation that could shatter Slade's hopes of reunion forever. Meanwhile, Vigilante reappears in Star City.
Original air date: 11/16/2017 Runtime: 42:23 min. As Slade continues to uncover clues about his son’s last few years, Oliver makes a big decision. Meanwhile, the Green Arrow leads the team into battle against “The Dragon,” (guest star KIRK ACEVEDO), a villain who is stealing valuable tech in Star City.
Original air date: 11/27/2017 Runtime: 42:24 min. The epic four-way crossover with Arrow, Supergirl, The Flash and DC’s Legends of Tomorrow continues! Barry Allen (guest star GRANT GUSTIN) and Iris West’s (guest star CANDICE PATTON) wedding brings the gang together – but things go awry when villains from Earth-X attack the ceremony. All of the Super Heroes band together with help from their super friends like Citizen Cold (guest star WENTWORTH MILLER), The Ray (guest star RUSSELL TOVEY), Felicity Smoak and Alex Danvers (guest star CHYLER LEIGH) to take on their most formidable villains yet. Earth’s mightiest heroes – The Green Arrow, Supergirl (guest star MELISSA BENOIST), The Flash and White Canary (guest star CAITY LOTZ) – lead their teams into battle to save the world.
Original air date: 12/07/2017 Runtime: 42:22 min. Quentin Lance is kidnaped by Black Siren and Cayden James (guest star MICHAEL EMERSON), who are looking to trade Lance’s life for a weapon of mass destruction. Oliver and Team Green Arrow must figure out a way to save Lance while still keeping the city safe.