Season 6 Episodes

Episode Guide

Docket No. 11-19-41-73

Season 6, Episode 21 - Air Date: 5/3/2018
From The CW: The pressure mounts for Oliver (Stephen Amell) who begins to wonder if he will lose everything in his battle to save Star City.
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Shifting Allegiances

Season 6, Episode 20 - Air Date: 4/26/2018
From The CW: Oliver (Stephen Amell) turns to an old friend to help battle Diaz (guest star Kirk Acevedo).
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The Dragon

Season 6, Episode 19 - Air Date: 4/19/2018
From The CW: Looking to expand his empire, Diaz (guest star Kirk Acevedo) and Laurel (Katie Cassidy) meet with The Quadrant, a coalition of mafia families who run national organized crime.
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Season 6, Episode 18 - Air Date: 4/12/2018
From The CW: In his darkest place yet, Oliver (Stephen Amell) wonders if he has failed at everything - being a father, a mayor and a hero.
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Brothers in Arms

Season 6, Episode 17 - Air Date: 4/5/2018
From The CW: Oliver (Stephen Amell) and Diggle (David Ramsey) face their biggest challenge yet. Curtis (Echo Kellum) is disappointed to find out his new boyfriend has a firm anti-vigilante stance.
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The Thanatos Guild

Season 6, Episode 16 - Air Date: 3/29/2018
From The CW: Nyssa Al Ghul (guest star Katrina Law) returns to Star City to warn Thea (Willa Holland) that a group of renegade League of Assassins members are planning to attack her.
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Season 6, Episode 15 - Air Date: 3/8/2018
From The CW: Oliver (Stephen Amell) and Thea (Willa Holland) are shocked to hear that Roy Harper (guest star Colton Haynes) is back in Star City.
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Collision Course

Season 6, Episode 14 - Air Date: 3/1/2018
From The CW: Oliver (Stephen Amell), Diggle (David Ramsey) and Felicity (Emily Bett Rickards) disagree with Dinah (Juliana Harkavy), Curtis (Echo Kellum) and Rene (Rick Gonzalez) on how to handle Black Siren (Katie Cassidy).
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The Devil's Greatest Trick

Season 6, Episode 13 - Air Date: 2/8/2018
From The CW: Cayden James (guest star Michael Emerson) discovers a secret about the Green Arrow (Stephen Amell) that pushes him over the edge.
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All for Nothing

Season 6, Episode 12 - Air Date: 2/1/2018
From The CW: Oliver (Stephen Amell) continues his battle with Cayden James (guest star Michael Emerson).
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We Fall

Season 6, Episode 11 - Air Date: 1/25/2018
From The CW: Cayden James (guest star Michael Emerson) ups the ante by launching his plan to take control of every aspect of the city.
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Season 6, Episode 10 - Air Date: 1/18/2018
From The CW: Despite losing half his team, Oliver (Stephen Amell) remains confident that he, Felicity (Emily Bett Rickards) and Diggle (David Ramsey) can stop Cayden James (guest star Michael Emerson) and Black Siren (Katie Cassidy).
Episode Guide

Irreconcilable Differences

Season 6, Episode 9 - Air Date: 12/7/2017
From The CW: Quentin Lance (Paul Blackthorne) is kidnaped by Black Siren (Katie Cassidy) and Cayden James (guest star Michael Emerson), who are looking to trade Lance's life for a weapon of mass destruction.
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Crisis on Earth X, Part 2

Season 6, Episode 8 - Air Date: 11/27/2017
From The CW: Barry (guest star Grant Gustin) and Iris's (guest star Candice Patton) wedding brings the gang together, but things go awry when villains from Earth-X attack the ceremony.
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Season 6, Episode 7 - Air Date: 11/23/2017
From The CW: Oliver (Stephen Amell) celebrates Thanksgiving with his family but the happy moment is interrupted.
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Promises Kept

Season 6, Episode 6 - Air Date: 11/16/2017
From The CW: As Slade (guest star Manu Bennett) continues to uncover clues about his son's last few years, Oliver (Stephen Amell) makes a big decision.
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Deathstroke Returns

Season 6, Episode 5 - Air Date: 11/9/2017
From The CW: Slade (guest star Manu Bennett) returns and asks Oliver (Stephen Amell) for help in tracking down his son.
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Season 6, Episode 4 - Air Date: 11/2/2017
From The CW: Just as Oliver (Stephen Amell) starts to get things in order, Black Siren (Katie Cassidy) launches another attack on the citizens of Star City.
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Next of Kin

Season 6, Episode 3 - Air Date: 10/26/2017
From The CW: A rogue black ops team led by Onyx (guest star Chastity Dotson) breaks into Kord Industries and steals something lethal.
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Season 6, Episode 2 - Air Date: 10/19/2017
From The CW: Oliver (Stephen Amell) tries to balance being the mayor, the Green Arrow and a father to William (guest star Jack Moore).
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Season 6, Episode 1 - Air Date: 10/12/2017
From The CW: Oliver (Stephen Amell) deals with the fallout of the explosion on the island.