archytele The Vault
Season guide

Arrow: Season 4

23 episodes Premiered Oct 7, 2015 Updated Oct 1, 2026

Arrow Season 4 continues the overarching saga across 23 episodes. The series features characters such as billionaire playboy turned hooded vigilante-hero Oliver Queen, also known as Arrow or Green Arrow, portrayed by Stephen Amell. Other cast members include Katie Cassidy, David Ramsey, and Emily. The television series was created by Greg Berlanti, Marc Guggenheim, and Andrew Kreisberg. The narrative follows the ongo

Previously on Arrow

Season 4 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Billionaire playboy Oliver Queen was missing and presumed dead after being stranded on a remote island for five years.
  • ⚡ Oliver Queen eventually returns to Starling City as a hooded vigilante-hero.
  • ⚡ The overarching television saga features creators Greg Berlanti, Marc Guggenheim, and Andrew Kreisberg.
  • ⚡ Cast members associated with the series include Stephen Amell, Katie Cassidy, David Ramsey, and Emily.
Advertisement

Season overview

Arrow Season 4 continues the overarching saga across 23 episodes. The series features characters such as billionaire playboy turned hooded vigilante-hero Oliver Queen, also known as Arrow or Green Arrow, portrayed by Stephen Amell. Other cast members include Katie Cassidy, David Ramsey, and Emily. The television series was created by Greg Berlanti, Marc Guggenheim, and Andrew Kreisberg. The narrative follows the ongoing exploits of the vigilante hero in a crime, drama, and action-adventure setting where heroes fall and legends rise.

Advertisement
Season 4 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 4 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 4: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

13%
87%
Mytharc (3): Crucial lore & season climaxes
Core (20): Character development & subplots
Side Quest (0): Standalone / filler
S4·E1 Mytharc

Green Arrow

Oct 7, 2015 · 42 min

Oliver and Felicity's blissful getaway is cut short when Thea and Laurel pay them a visit and tell Oliver they need his help back in Star City. The city has been attacked by Ghosts

S4·E2 Core

The Candidate

Oct 14, 2015 · 42 min

Oliver and Thea are concerned when a family friend plans to run for mayor. Thea starts to exhibit side effects from the Lazarus Pit. Felicity asks an employee for help with a busin

S4·E3 Core

Restoration

Oct 21, 2015 · 42 min

The growing tension between Oliver and Diggle puts both their lives at risk when they go after Damien Darhk and a H.I.V.E. deployed meta-human. Meanwhile, Laurel talks Thea into re

S4·E4 Core

Beyond Redemption

Oct 28, 2015 · 42 min

Laurel must deal with the repercussions of taking Sara to Nanda Parbat. Meanwhile, Oliver asks Captain Lance for a favor and while he's not surprised at the response, he is surpris

S4·E5 Core

Haunted

Nov 4, 2015 · 42 min

When things take a turn for the worse with Sara, Oliver calls in a favor from an old friend who deals in the mystical, John Constantine.

S4·E6 Core

Lost Souls

Nov 11, 2015 · 42 min

Felicity is frantic when she learns that Ray is alive and being held by Damien Darhk. Felicity's guilt over not finding Ray sooner causes tension between her and Oliver. Meanwhile,

S4·E7 Core

Brotherhood

Nov 18, 2015 · 42 min

Team Green Arrow's ongoing battle with Damien Darhk is complicated by a shocking revelation. Thea's bloodlust returns and she loses control in front of Alex.

S4·E8 Core

Legends of Yesterday (II)

Dec 2, 2015 · 44 min

Oliver and Barry Allen take Kendra Saunders and Carter Hall to a remote location to keep them hidden from Vandal Savage while they figure out how to defeat him. Malcolm arranges a

S4·E9 Core

Dark Waters

Dec 9, 2015 · 42 min

After the city is attacked again, Oliver makes a bold move against HIVE. Malcolm checks in on Thea and leaves her with a warning. Things take a horrible turn when Damien Darhk reta

S4·E10 Core

Blood Debts

Jan 20, 2016 · 42 min

Oliver must deal with the devastating consequences of Darhk's last attack. Seeking revenge, Oliver goes on a brutal manhunt looking for Dahrk.

S4·E11 Core

A.W.O.L.

Jan 27, 2016 · 42 min

Diggle must learn to trust his brother Andy when an enemy of their wartime past, an agent of the criminal organization Shadowspire, pays a visit to Star City. However, Diggle learn

S4·E12 Core

Unchained

Feb 3, 2016 · 42 min

The team faces off against a formidable villain nicknamed The Calculator. Meanwhile, Nyssa makes her move and Roy Harper returns to Star City.

S4·E13 Core

Sins of the Father

Feb 10, 2016 · 42 min

Oliver receives an offer from Nyssa that is hard to refuse. Meanwhile, Thea continues to battle the blood lust, Malcolm steps in to help his daughter, and Laurel has a heart to hea

S4·E14 Core

Code of Silence

Feb 17, 2016 · 42 min

Oliver and team uncover HIVE's plan to take out Team Arrow once and for all. With HIVE's next attack imminent, Lance wonders if Donna is safer without him in her life. Meanwhile, w

S4·E15 Core

Taken

Feb 24, 2016 · 42 min

Oliver realizes he needs help battling Darhk so he calls in an old friend – Vixen. Using her magical ability to summon animal powers, Vixen gets a lock on Darhk's location and the

S4·E16 Core

Broken Hearts

Mar 23, 2016 · 41 min

A heartbroken Cupid returns to Star City with one goal – to destroy anyone in love. The team learns she's killing couples on their wedding day so Oliver and Felicity decide to pose

S4·E17 Core

Beacon of Hope

Mar 30, 2016 · 41 min

Brie Larvan breaks out of jail and turns up at Palmer Tech threatening to kill everyone unless she gets the bio-chip that is implanted in Felicity's spine. When Oliver realizes tha

S4·E18 Core

Eleven-Fifty-Nine

Apr 6, 2016 · 42 min

Oliver and Diggle learn that Merlyn is going to try to break Darhk out of prison. Meanwhile, Laurel gets a surprising offer and Felicity has a heart-to-heart talk with Curtis.

S4·E19 Core

Canary Cry

Apr 27, 2016 · 41 min

Oliver and the team struggle to come to terms with Laurel's death, especially Diggle who is overwhelmed with guilt for choosing to believe Andy had changed. Meanwhile, Lance refuse

S4·E20 Core

Genesis

May 4, 2016 · 41 min

As Oliver and Felicity look for a magical solution to defeat Darhk, a vengeance-driven Diggle gets a lead on Andy's whereabouts and heads off to confront his brother. Meanwhile, Al

S4·E21 Core

Monument Point

May 11, 2016 · 41 min

When Team Arrow learns what Damien Darhk's next move is Felicity realizes she needs to ask her father, Noah Kuttler, for help. Noah and Oliver have a heart to heart talk that leave

S4·E22 Mytharc

Lost in the Flood

May 18, 2016 · 41 min

Following the shocking events in the previous episode, Oliver and Diggle race to rescue Thea, while Felicity, Curtis and Noah join together to stop Darhk.

S4·E23 Mytharc

Schism

May 25, 2016 · 41 min

Oliver teams up with a surprising force in an attempt to stop Damien Darhk and his magic once and for all.

Advertisement