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Dark Waters

Action & Adventure

42

Dec 8, 2015

After the city is attacked again, Oliver makes a bold move against HIVE, but Damien Darhk retaliates in a brutal manner at Oliver's mayoral holiday party.

Full Episodes

Season 4, 23 episodes

In the season four premiere, Oliver and Felicity must return home to help the team against attacks by "ghost" assassins led by Damien Darhk (Neal McDonough).

42m Oct 6, 2015

When an old family friend, Jessica Danforth (guest star Jeri Ryan) tells Oliver and Thea she's going to run for mayor, the Green Arrow and Speedy vow to protect her.

42m Oct 13, 2015

Laurel (Katie Cassidy) talks Thea (Willa Holland) into returning to Nanda Parbat to ask her father (John Barrowman) to resurrect Sara (Caity Lotz) in the Lazarus Pit.

42m Oct 20, 2015

Beyond Redemption,

Laurel deals with the aftermath of taking Sara to Nanda Parbat, while Oliver asks Captain Lance (Paul Blackthorne) for a favor.

42m Oct 27, 2015

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 (guest star Matt Ryan).

42m Nov 3, 2015

Felicity's frantic when she learns that Ray Palmer (Brandon Routh) is alive and being held by Damien Darhk. Sara joins the team on a rescue mission for Ray.

42m Nov 10, 2015

Team Arrow's ongoing battle with Damien Darhk is complicated by a shocking revelation. Meanwhile, Thea's bloodlust returns, and she loses control in front of Alex (Parker Young).

42m Nov 17, 2015

Legends of Yesterday,

In Part Two of the epic Flash crossover event, Oliver and Barry hide Kendra Saunders and Carter Hall in a remote location while they figure out how to defeat Vandal Savage.

42m Dec 1, 2015

After the city is attacked again, Oliver makes a bold move against HIVE, but Damien Darhk retaliates in a brutal manner at Oliver's mayoral holiday party.

42m Dec 8, 2015

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

42m Jan 19, 2016

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

42m Jan 26, 2016

While the team faces off against a villain named The Calculator (Tom Amandes), Nyssa al Ghul (Katrina Law) makes her move, and Roy Harper (Colton Haynes) returns to Star City.

42m Feb 2, 2016

Sins of the Father,

While Thea battles her blood lust and Malcolm steps in to help his daughter, Oliver receives an offer from Nyssa that is hard to refuse.

42m Feb 9, 2016

Code of Silence,

Oliver and the team uncover HIVE's plans to take out Team Arrow once and for all. Meanwhile, Oliver feels guilty, before his wedding, that he hasn't told Felicity about his son.

42m Feb 16, 2016

Realizing he needs help battling Darhk, Oliver calls in an old friend—Vixen (MEGALYN E.K.), who summons her animal powers to get a lock on his location.

42m Feb 23, 2016

A heartbroken Cupid (Amy Gumenick) returns to Star City to destroy anyone in love, so Oliver and Felicity pose as bait on their "wedding day."

42m Mar 22, 2016

Beacon of Hope,

Brie Larvan aka the Bug-Eyed Bandit (Emily Kinney) breaks out of jail and sets her sights on Felicity. Oliver turns to a surprising ally to help Team Arrow save the day.

42m Mar 29, 2016

Eleven-Fifty-Nine,

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

42m Apr 5, 2016

Oliver and the team struggle to come to terms with Laurel's death. Meanwhile, Lance refuses to believe she's gone and asks Nyssa to help bring her back.

41m Apr 26, 2016

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.

41m May 3, 2016

Monument Point,

When Team Arrow learns what Damien Darhk's devastating next move is, Felicity realizes she needs to ask her father, Noah Kuttler (Tom Amandes), for help.

42m May 10, 2016

Lost in the Flood,

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.

42m May 17, 2016

In the season four finale, Oliver teams up with a surprising force in an attempt to stop Damien Darhk and his magic once and for all.

42m May 24, 2016